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Corsair

K100 RGB

Snapshot
Last Updated | 3/11/2023
Published | 4/2/2023
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Corsair K100 RGB Gaming keyboard Review, Ratings, and Specifications

8.0
Corsair K100 RGB – Hero Shot
Corsair K100 RGB – Top Perspective
8.0
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Pros & Cons -

Pros

  • Hybrid connectivity with 2000Hz polling in wired mode
  • Flawless Pixart PAW 3335 sensor with 400 IPS tracking
  • Symmetrical shape with middle hump for versatile grip styles
  • Onboard memory for five profiles, ideal for multi-game setups
  • Nvidia Reflex compatibility for precise latency measurement
  • Durable Omron switches with a 50 million click lifespan

Cons

  • Heavier weight at 106g, not ideal for ultralight enthusiasts
  • Wireless polling limited to 1000Hz, trailing wired performance
  • Battery life of 50 hours is below some 2025 standards

What We Think -

In a world obsessed with sub-60g featherweights, here comes the Acer Cestus 350—a 2020 hybrid warrior asking if it’s still got the chops for pro-level gaming. Spoiler: It’s not the lightest, but it’s got some tricks up its sleeve.

Overview

Launched in August 2020, the Acer Cestus 350 rolls in at ~$80 with hybrid connectivity—wireless or wired, your call. It’s packing a Pixart PAW 3335 sensor, 2000Hz polling in wired mode, and eight programmable buttons. At 106g, it’s no esports sprite, but it’s aiming for versatility over raw speed.

Design and Features

This bad boy’s got a symmetrical, palm-friendly shape with a middle hump, perfect for medium to large hands. Dual-zone RGB lights it up, while the hybrid setup (2.4GHz wireless or USB-A wired) keeps you adaptable. Eight buttons, including two snappy side ones, and onboard memory for five profiles give you room to tweak. The 50-hour battery’s solid, though not jaw-dropping in 2025.

Key Takeaways

The Acer Cestus 350 stands out as a dependable, all-around gaming mouse that delivers a compelling mix of features and affordability for casual to intermediate players. Its hybrid design excels in wired mode with precision that rivals pricier options, yet its heavier build and dated wireless performance fall short of the ultralight, high-polling-rate benchmarks dominating 2025’s competitive scene. For gamers who don’t demand the absolute cutting edge, it’s a practical choice that punches above its weight.

Comparisons and Considerations

Against the Corsair M55 Wireless (budget friendly), the Cestus 350’s higher polling rate tracks tighter, though it’s heftier. The Redragon M612 Pro (budget friendly) brings more buttons and parity in price, but Acer edges out with DPI range. Then there’s the Logitech G305 Lightspeed (budget friendly)—lighter at 99g with a killer battery, but fewer buttons mean less flexibility. For FPS, Acer holds its own; for ultralight chasers, it’s a pass.

#Bottom Line The Acer Cestus 350 isn’t the best gaming mouse for pro esports in 2025—106g and an aging sensor hold it back from the sub-60g elite. But its hybrid punch, high-IPS sensor, and customization make it a lightweight esports mouse contender for casual-to-mid-tier gamers. Since 2021, Acer’s been refining value, and this one’s a budget beast with honest limits.

Performance Breakdown ? -

Ratings

Full Review in Progress

Build

2019
Sensor
What is a Sensor? A sensor in a gaming mouse is the component responsible for detecting movement and translating it into cursor movement on your screen. Different sensors like PMW, PAW, Hero, and others vary in technology and performance metrics.
Distribution:
Each bar shows how many products received that score; the highlighted bar is this item’s score.
01/2014 04/2022
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Why Does It Matter? The type of sensor directly affects the tracking accuracy, speed, responsiveness, and sometimes power efficiency of a mouse. High-quality sensors can provide a competitive edge by ensuring precise cursor control, which is crucial in gaming for accuracy in aiming or quick movements.
Common Sensors:
PMW (PixArt Maximum Performance Wireless): Known for high performance in wired setups, offering excellent tracking precision and speed.
PAW (PixArt Adaptive Wireless): Focused on power efficiency, ideal for wireless mice, with good tracking capabilities and speed.
Hero (Logitech): Renowned for its power efficiency and high accuracy, suitable for both wired and wireless applications.
TrueMove Pro (SteelSeries): Provides advanced stabilization for precise tracking on various surfaces.
Focus Pro (Razer): Designed for professional gaming with top-tier performance metrics.
Owl-Eye (ROCCAT): Custom sensor with features tailored for gaming precision.
Choosing the Right Sensor: When selecting a mouse, consider the sensor based on your gaming needs. If you're into competitive gaming, look for sensors with high DPI, IPS, and low latency like PMW or Focus Pro. For longevity in wireless setups, sensors like PAW or Hero are preferable due to their power efficiency. Also, consider your preference for wired vs. wireless, as some sensors are optimized for specific use cases.
PixArt PMW3335
Weight
Missing tooltip for weight
Distribution:
Each bar shows how many products received that score; the highlighted bar is this item’s score.
133 59
See Our Recommendations
106 g

Hardware

2000hz
Polling
How often the mouse reports its position to the computer, measured in Hz (higher values mean smoother and more responsive tracking).
Distribution:
Each bar shows how many products received that score; the highlighted bar is this item’s score.
125 8000
See Our Recommendations
16000k
DPI
Dots Per Inch (DPI) setting determines the sensitivity of the mouse. Higher DPI allows for faster cursor movement.
Distribution:
Each bar shows how many products received that score; the highlighted bar is this item’s score.
4200 26000
See Our Recommendations
400
IPS
Inches Per Second (IPS) indicates how fast the mouse sensor can move and still track accurately.
Distribution:
Each bar shows how many products received that score; the highlighted bar is this item’s score.
48 650
See Our Recommendations
40g
Acceleration
Acceleration measures how quickly the mouse can reach its maximum speed, affecting accuracy in fast-paced games, measured in g's.
Distribution:
Each bar shows how many products received that score; the highlighted bar is this item’s score.
10 50
See Our Recommendations

Performance

Lift-Off
The measured lift-off distance (in mm) before the sensor stops tracking. Useful for gamers who often lift the mouse.
Distribution:
Each bar shows how many products received that score; the highlighted bar is this item’s score.
5 0
See Our Recommendations
2 mm

Specifications -

    General Features

  • Price (MSRP) $80.99
  • SKU / Part # -
  • Color(s) -
  • Design(s) ? -
  • Weight 106.00 g / 3.74 oz
  • Material plastic
  • Coating ? matte
  • Feet Material ? PTFE (Black-Dyed)
  • Lighting ? 2 zone (rgb) 
  • Release Date ? 08/2020

    Connectivity

  • Connection hybrid
  • Connectivity ? 2.4GHz RF Dongle
  • Computer Side Connector USB-A
  • Mouse Side Connector USB-C
  • Cable Type braided
  • Paracord ?
  • Battery Hours ? 50

    Dimensions

  • Length 126.00 mm / 4.96 in
  • Width 64.00 mm / 2.52 in
  • Height 40.00 mm / 1.57 in

    Shape & Form

  • Form Factor ? right
  • Shape ? symmetrical
  • Hump ? middle
  • Front Flare ? outward

    Extra Features

  • Adjustable Weight ?
  • Honeycomb Frame ?
  • Silent Clicks ?

    Sensor Specs

  • Sensor ? PixArt PMW3335
  • Sensor Type optical
  • Flawless Sensor ?
  • Sensor Latency ? -
  • Polling Rate ? 2000 Hz
  • DPI ? 16000 k
  • IPS ? 400
  • Acceleration ? 40 g
  • Lift-off Distance ? 2 mm
  • Lift-off Settings ? adjustable
  • Motion Sync ? -
  • Hardware Acceleration ?
  • Nvidia Reflex ?
  • Smoothing ?

    Switch Specs

  • Switch Type ? mechanical
  • Switches ? Omron
  • Hot Swappable ?
  • Click Latency ? -
  • Click Force ? -

    Control & Function

  • MCU ? -
  • Side Button(s) ? 2
  • Middle Button(s) ? 3
  • Programmable Button(s) ? 8
  • Tilt Wheel ?
  • Adjustable Scroll Wheel ?
  • Onboard Memory ? (5) 
  • Profile Switching ?
Notice: All gaming keyboards details and specifications on this site are carefully researched using trusted sources and manufacturer verification, presented "as is" with no guarantees of perfect accuracy. Neither this site nor its operators are liable for any issues or damages arising from potential inaccuracies.

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Acceleration measures how quickly the mouse can reach its maximum speed, affecting accuracy in fast-paced games, measured in g's.
Refers to whether the scroll wheel’s tension can be fine-tuned, allowing users to set how smooth or clicky the scrolling experience feels.
Refers to whether the mouse’s weight can be modified by adding or removing weights, allowing users to customize the feel of their mouse.
How long the mouse can operate on a single charge, typically measured in hours.
The amount of force (in grams) required to actuate the mouse buttons, affecting comfort and click feel.
How quickly the mouse registers and transmits a click, measured in milliseconds. Lower latency helps improve reaction time in gaming or other applications.
Refers to the type of surface finish or texture on the mouse, which can affect grip, comfort, and durability.
Refers to how the mouse connects to your device, such as via 2.4GHz dongle, Bluetooth, USB-A, USB-C, or other methods.
Filter mice based on their visual aesthetics, including solid colors, multi-color designs, themed editions, and rare limited editions.
Dots Per Inch (DPI) setting determines the sensitivity of the mouse. Higher DPI allows for faster cursor movement.
Mouse Feet Material (Skates): These pads under your mouse significantly influence glide, performance, and durability.
PTFE (Colored/Mixed): Moderate friction coefficient - Balances speed with a touch of added control, often seen in stock mouse setups for its versatility. The addition of dyes or other materials might slightly increase friction compared to virgin-grade, but it also enhances durability and offers color options for personalization.
PTFE (Virgin-Grade): Very low friction coefficient - Pure PTFE provides minimal resistance, allowing for a seamless glide across your mousepad. This material is favored for its purity, which results in less wear over time, maintaining its glide properties longer than colored PTFE.
Glass Skates (Glossy Aluminosilicate): Lowest friction coefficient - Offers an incredibly smooth glide, ideal for quick, precise movements in gaming. Their durability is unmatched, ensuring consistent performance over time, even under heavy use.
Glass Skates (Matte Aluminosilicate): Low friction coefficient - Strikes a balance between speed and control, offering a tactile feedback not found in glossy finishes. The matte surface reduces the initial stickiness sometimes experienced with glossy skates, providing gamers with better control for micro-adjustments.
UHMWPE: Moderate to high friction coefficient - Known for its durability, it provides a controlled glide, ideal for gamers who prefer precision.
Ceramic: Higher friction coefficient - Durable and suited for hard surfaces, these skates offer control-focused glide characteristics.
Sapphire: Variable friction coefficient - Luxury option with exceptional durability and glide, though performance can vary with surface treatment.
Thickness and Shape: These aspects affect how your mouse interacts with the surface. Thicker skates can increase lift-off distance but may last longer, while shape influences glide smoothness.
Installation and Maintenance: Proper installation involves cleaning, precise alignment of new skates, and sometimes heating for old skate removal. Regular maintenance ensures optimal glide performance.
Refers to sensor performance that does not exhibit significant flaws, such as smoothing, jitter, or angle snapping, resulting in precise tracking.
What is Form Factor? Form factor refers to the design or shape of a gaming mouse, which dictates how it fits and feels in your hand. This includes considerations for right-handed, left-handed, or ambidextrous use.
Why Does It Matter? The form factor impacts ergonomics, comfort, and control. A well-designed form factor can reduce strain, improve grip, and enhance your gaming experience by allowing for natural hand movements and positioning.
Common Form Factors:
Right-Handed: Ergonomically shaped for the right hand, with side buttons often on the left for thumb access.
Left-Handed: A mirror image of right-handed mice, tailored for left-handed users with side buttons on the right.
Ambidextrous: Symmetrical design, offering universal use with side buttons either on both sides or not included to maintain symmetry.
Choosing the Right Form Factor: Your choice should align with your dominant hand, grip style, and whether you need or prefer side buttons. Right or left-handed mice offer better ergonomic support for specific hands, while ambidextrous mice provide versatility at the cost of some ergonomic specialization.
What is Front Flare? Front flare describes the curvature or shape at the front of the mouse, specifically where your index and middle fingers rest on the right and left click buttons respectively.
Why Does It Matter? The design of the front flare directly impacts how your fingers interact with the primary click buttons, affecting comfort, ease of clicking, and the precision of your mouse control during gaming.
Types of Front Flare:
Flat: Here, the front edge where the click buttons are located is flat. This provides a straightforward, even surface for your fingers to press directly down on, which might be preferred for those who like a simple, direct interaction with the buttons, offering less guidance but more control over click precision.
Inward: The front curves inward, wrapping slightly around your fingers. This can enhance the feeling of control, especially for fingertip grip users, as it allows your index and middle fingers to curl around the mouse, potentially reducing the distance your fingers need to travel to click, thus improving response time.
Outward: With a more pronounced outward flare, this design gives additional room for finger movement, particularly useful for gamers with larger hands or those who need extra space for finger action. It can make the right and left click buttons feel more accessible, promoting a relaxed finger posture which might be less tiring over long sessions.
Choosing the Right Front Flare: The choice depends on how you prefer your fingers to interact with the click buttons. A front flare might provide comfort and security, flat offers simplicity and direct control, inward can enhance precision and speed for quick clicks, and outward might be ideal for comfort and ease with larger hands or more dynamic finger movements. Each type influences how naturally your fingers rest on and operate the primary click buttons, impacting your overall gaming performance and comfort.
Refers to built-in hardware acceleration, altering cursor speed based on mouse movement. Can disrupt precision, making it less ideal for gaming as it introduces unpredictability.
Refers to the external frame design that affects mouse weight and grip style.
What Are Hot-Swappable Switches? Hot-swappable switches allow you to easily replace the mouse’s click switches without soldering or extensive disassembly. This feature uses a socket system where switches can be pulled out and new ones pushed in, typically requiring minimal tools like a screwdriver to access the internals.
Why Does It Matter? Switches can wear out over time, causing issues like double-clicking or unresponsive buttons. Hot-swappable switches let you replace them, extending the mouse’s lifespan, saving costs, and reducing e-waste. It also enables customization of click feel or sound to suit your gaming or work preferences.
Common Compatible Switches:
Omron: Reliable and durable, known for consistent tactile feedback and high click ratings, a popular choice for replacements.
Kailh: Offers smooth operation with varying actuation forces, allowing customization of click resistance and feedback.
ROG Micro Switches: ASUS-designed switches optimized for gaming, providing quick response and low actuation force, compatible with specific ROG models.
Choosing a Hot-Swappable Mouse: Opt for this feature if you value longevity or want to tailor your mouse’s click experience. Check compatibility with switch types (e.g., Omron, Kailh), as not all mice support all switches. High-end models from brands like ASUS (ROG Keris) or Ironcat (HPC02MPro) often include this, balancing customization with performance. Ensure the mouse’s overall design meets your gaming needs beyond just switch replacement.
What is the Hump? The hump is the highest point of a gaming mouse's body, typically located towards the back, middle, or front. This design feature significantly influences hand positioning and overall comfort during use.
Why Does It Matter? The position of the hump affects how the mouse fits in your hand, impacting grip style (palm, claw, or fingertip), control, and fatigue over long gaming sessions. A well-placed hump can enhance gaming performance by providing ergonomic support where needed.
Common Hump Positions:
Front: The hump is positioned towards the front, which can provide a different grip dynamic, potentially beneficial for users with specific grip preferences or smaller hands, focusing on finger control with less palm support.
Middle: Offers versatility, suitable for various grip styles, providing balanced support.
Back - Front: Supports the entire hand, ideal for larger hands or palm grip, might not suit claw or fingertip grip as well.
Back Mid: Good for claw grip, offering lift under the palm while keeping the front low for finger control.
Back - Rear: Less common, beneficial for fingertip grip or smaller hands, prioritizing finger dexterity over palm support.
Choosing the Right Hump: Selecting a mouse with the right hump position depends on your hand size, preferred grip style, and gaming needs. Each position offers different advantages, from comfort to precision, making it crucial for gamers to choose based on their ergonomic preferences.
Inches Per Second (IPS) indicates how fast the mouse sensor can move and still track accurately.
The measured lift-off distance (in mm) before the sensor stops tracking. Useful for gamers who often lift the mouse.
What are Lift Settings? Lift settings, often referred to as lift-off distance (LOD), determine the height at which a mouse’s sensor stops tracking when lifted off the surface. This is a critical feature in gaming mice, as it affects how the mouse behaves when you reposition it during gameplay.
Why Do They Matter? The lift-off distance impacts precision and control. A lower LOD means the sensor stops tracking almost immediately upon lifting, reducing unwanted cursor movement—ideal for low-sensitivity gamers who frequently lift their mouse. A higher LOD allows tracking to continue slightly longer, which might suit high-sensitivity players or those with a lighter grip who don’t fully lift the mouse. Adjustable lift settings let you tailor this behavior to your playstyle and desk setup.
Types of Lift Settings:
Fixed Low (1-2 mm): The sensor ceases tracking at a very short distance from the surface (typically 1-2 mm). This minimizes cursor drift during lifts, offering maximum precision for gamers who need consistent control, such as in FPS games where micro-adjustments are key.
Fixed High (3-5 mm): Tracking continues until the mouse is lifted higher (around 3-5 mm). This can be useful for players who don’t fully lift the mouse or prefer a more forgiving setting, though it may introduce slight cursor movement during repositioning.
Adjustable: Many modern mice allow customization of the LOD via software or hardware switches (e.g., 1 mm to 3 mm or more). This flexibility accommodates different grip styles, mouse pads, and gaming habits, letting you fine-tune the sensor’s cutoff point for optimal performance.
Surface-Tuned: Some advanced mice feature sensors that adapt the LOD based on the surface (e.g., cloth, hard, or hybrid mouse pads). This ensures consistent tracking behavior regardless of your desk setup, reducing the need for manual adjustments.
Choosing the Right Lift Settings: Your choice depends on your gaming style and habits. A low LOD enhances precision for frequent lifters, high LOD offers flexibility for minimal lifters, adjustable settings provide versatility across scenarios, and surface-tuned options ensure consistency on varied surfaces. Properly tuned lift settings can reduce errors, improve comfort, and elevate your in-game performance by aligning the mouse’s behavior with your natural movements.
Refers to the type of lighting used in the mouse, such as RGB or single color, and its customization options.
What is an MCU? The MCU, or Microcontroller Unit, is the miniature processor inside a gaming mouse that controls inputs, manages settings, and ensures smooth communication with your computer.
Why Does It Matter? Higher-end MCUs offer better performance, lower latency, and improved wireless stability, making them essential for competitive gaming.
Common MCU Features:
Onboard memory: for storing profiles & DPI settings
Enhanced power efficiency: for wireless mice
Faster processing: for low-latency inputs
Choosing the Right MCU: Some brands use custom MCUs, while others rely on trusted manufacturers like Nordic, STMicroelectronics, or PixArt. More advanced MCUs generally lead to a smoother and more responsive gaming experience.
Buttons located on the top middle part of the mouse, usually near the scroll wheel, used for various functions.
Motion Sync synchronizes the mouse sensor's data output with the computer's USB polling rate for more consistent cursor movement. While it can reduce jitter, it might introduce minimal latency. Ideal for scenarios where consistent tracking is key.
NVIDIA Reflex is a technology that reduces system latency in games, enhancing responsiveness. It's designed to align the game engine, rendering, and input for a smoother experience, making it ideal for competitive gaming where every millisecond counts.
Onboard memory allows the mouse to store settings like DPI, button configurations, and macros directly on the device.
Paracord cables are lightweight and flexible, reducing drag and enhancing mouse maneuverability. This can lead to smoother, faster movements, ideal for gaming where every millisecond counts.
How often the mouse reports its position to the computer, measured in Hz (higher values mean smoother and more responsive tracking).
Profile switching allows the mouse to move between multiple custom configurations (e.g., DPI, button mappings, and macros) so you can adapt quickly to different games or tasks.
The total number of buttons on the mouse that can be programmed for different functions, macros, or shortcuts.
The release date is shown as month and year (MM/YYYY). Use this filter to narrow down products based on when they were released.
What is a Sensor? A sensor in a gaming mouse is the component responsible for detecting movement and translating it into cursor movement on your screen. Different sensors like PMW, PAW, Hero, and others vary in technology and performance metrics.
Why Does It Matter? The type of sensor directly affects the tracking accuracy, speed, responsiveness, and sometimes power efficiency of a mouse. High-quality sensors can provide a competitive edge by ensuring precise cursor control, which is crucial in gaming for accuracy in aiming or quick movements.
Common Sensors:
PMW (PixArt Maximum Performance Wireless): Known for high performance in wired setups, offering excellent tracking precision and speed.
PAW (PixArt Adaptive Wireless): Focused on power efficiency, ideal for wireless mice, with good tracking capabilities and speed.
Hero (Logitech): Renowned for its power efficiency and high accuracy, suitable for both wired and wireless applications.
TrueMove Pro (SteelSeries): Provides advanced stabilization for precise tracking on various surfaces.
Focus Pro (Razer): Designed for professional gaming with top-tier performance metrics.
Owl-Eye (ROCCAT): Custom sensor with features tailored for gaming precision.
Choosing the Right Sensor: When selecting a mouse, consider the sensor based on your gaming needs. If you're into competitive gaming, look for sensors with high DPI, IPS, and low latency like PMW or Focus Pro. For longevity in wireless setups, sensors like PAW or Hero are preferable due to their power efficiency. Also, consider your preference for wired vs. wireless, as some sensors are optimized for specific use cases.
How quickly the mouse reacts to movement or input, typically measured in milliseconds (ms).
What is Shape? Shape refers to the overall structure of a gaming mouse, which can significantly affect how it feels in your hand, influencing grip, comfort, and control during use.
Why Does It Matter? The shape of a mouse impacts ergonomic fit, which can reduce hand fatigue, improve precision, and enhance the overall gaming experience by allowing for a natural hand position.
Common Mouse Shapes:
Symmetrical: Designed to be equally comfortable for both left and right-handed users. These mice lack pronounced curves, offering a universal fit but might sacrifice some ergonomic benefits for specialized hand use.
Ergonomic: Tailored to fit the natural curve of the hand, typically for right-handed users. This shape provides better support and comfort, reducing strain over long periods, but might not suit left-handed users as well without specific design.
Asymmetrical: Often a variation of ergonomic design, where the mouse might have unique features or shapes not mirrored on both sides, enhancing grip or adding functionality like extra buttons for specific fingers. This can be highly specialized for gaming performance but less versatile for different hand orientations.
Choosing the Right Shape: Select a shape based on your dominant hand, grip style (palm, claw, or fingertip), and whether you prioritize comfort, precision, or versatility. Symmetrical shapes offer flexibility, ergonomic shapes provide comfort for the intended hand, and asymmetrical shapes can offer unique advantages for specific gaming needs.
The number of programmable buttons located on the side of the mouse, typically used for additional functions or shortcuts.
Refers to the noise level of the mouse buttons, designed to be quieter for minimal distraction or stealth usage.
Refers to built-in sensor smoothing or filtering that aims to provide more stable tracking but can introduce input lag. While smoothing can make movements appear less jittery, it may reduce precision for fast-paced gaming or other precise tasks.
What is Switch Type? The switch type determines how a mouse registers clicks, affecting speed, feel, and durability.
Mechanical Switches: - Use physical metal contacts to register clicks. - Provide a tactile click with a distinct actuation point. - Require a small force to activate (~50g). - Can wear out over time but are rated for millions of clicks. - Brands: Omron, Kailh, Huano.
Optical Switches: - Use light beams instead of metal contacts. - Have zero debounce delay, making them faster & more durable. - Do not wear out from mechanical friction. - Common in premium gaming mice for ultra-fast actuation. - Brands: Razer Optical, TTC Optical.
Which Should You Choose? - Competitive FPS players prefer optical switches for speed. - Casual & MMO players might prefer mechanical switches for feel & cost.
What Are Switches? Switches are the mechanisms under each mouse button that register clicks. They play a crucial role in responsiveness, durability, and overall feel.
How Do They Work? Inside each switch is a spring-loaded mechanism with contact points that close when pressed, completing the circuit and sending an input signal to your computer.
Why Do Switches Matter? - Click Feel – Some switches are light and fast, others are more tactile and firm. - Durability – Most gaming switches are rated for tens of millions of clicks. - Latency & Speed – Some switches have zero debounce delay, crucial for fast-paced games.
Popular Switch Brands: - Omron – Known for durability & tactile feel. - Kailh & Huano – Offer varying actuation forces & feedback styles. - Razer & TTC – Common in high-performance gaming mice, with optical options available.
Indicates whether the scroll wheel can tilt for horizontal scrolling or extra functions.