Corsair K100 RGB

Corsair K100 RGB Review

Brand: Corsair
Released: October 1, 2020
Updated: 1 week ago
4.0
Consolidated expert score
294
Review insights
47
Scored features
21
Expert reviews

Bottom Line

Choose the Corsair K100 RGB if you want a full-size, feature-loaded wired gaming keyboard with fast switches, lush RGB and a great wrist rest. Skip it if price, desk space, noise, simple software or portability matter most.

Best for

Best for gamers, streamers, and power users who want a full-size wired board with fast linear switches, deep macros, vivid RGB, onboard profiles, media controls, and a comfortable wrist rest.

Not for

Not for buyers who want a compact, portable, quiet, wireless, hot-swappable, tactile-switch, or simple plug-and-play keyboard, especially if they will not use the extra controls.

Verdict

Across the supplied reviews, the Corsair K100 RGB lands as an ambitious flagship: fast linear switches, premium materials, vivid RGB, strong macro support, and a much-improved wrist rest make it feel like a top-tier gaming board. The tradeoff is that several headline upgrades are context-dependent. Reviewers often admire the 4,000Hz polling rate and iCue control wheel, but many also say the polling advantage is hard to feel and the wheel is more useful for productivity than games. iCue enables deep control yet repeatedly draws complaints for clunky, confusing setup. The K100 is best understood as a maximalist, desk-bound keyboard whose value depends on whether the buyer will actually use its extras.

Compared in Reviews

Products reviewers directly compared with this model, grouped into quick takeaways.

black widow v3 pro

  • Compared: launch price The reviewer compares the K100's price with the Black Widow V3 Pro's price.

Feature Scorecards

Summary

47 reviewed features
  • Very positive 4.5-5.0 43% 20 features
  • Positive 3.5-4.4 36% 17 features
  • Neutral 2.5-3.4 13% 6 features
  • Negative 1.5-2.4 6% 3 features
  • Very negative below 1.5 2% 1 feature

Pros

  • 5.0
    based on 3 reviews
    key stability: 5.0, based on 3 reviews
    Key stability receives strong praise from reviewers who note almost no tilt, no rattle, and no flex or wobble in the keys.
  • 5.0
    based on 1 review
    actuation consistency: 5.0, based on 1 review
    Actuation consistency is supported by IGN's report that there were no response or press issues during fast gaming use.
  • 5.0
    based on 1 review
    backlight brightness: 5.0, based on 1 review
    Backlight brightness is strongly praised where mentioned, especially by reviewers who call the lighting impressively bright.
  • 5.0
    based on 4 reviews
    frame rigidity: 5.0, based on 4 reviews
    Frame rigidity receives excellent marks from reviewers who report no frame flex or only minimal flex.
  • 4.9
    based on 1 review
    sound dampening: 4.9, based on 1 review
    Sound dampening is praised most strongly by KitGuru, which finds the K100 noticeably more muted and less resonant than its predecessor.
  • 4.8
    based on 3 reviews
    RGB customization: 4.8, based on 3 reviews
    RGB customization is considered extensive, with praise for per-key control, many lighting zones, and deep reworking options, though software complexity can slow the process.
  • 4.7
    based on 3 reviews
    layout options: 4.7, based on 3 reviews
    Layout options improve because reviewers appreciate the standard bottom row and easier compatibility with aftermarket keycap sets.
  • 4.7
    based on 3 reviews
    durability: 4.7, based on 3 reviews
    Durability evidence focuses mainly on PBT keycaps and materials that reviewers say resist wear or hold up better over time.
  • 4.7
    based on 6 reviews
    key responsiveness: 4.7, based on 6 reviews
    The keyboard is repeatedly praised for very fast, sensitive, and responsive inputs, with several reviewers describing immediate or lightning-fast key response.
  • 4.7
    based on 9 reviews
    materials quality: 4.7, based on 9 reviews
    Materials quality is praised for aluminum, premium feel, strong construction, and top-quality components.
  • 4.6
    based on 16 reviews
    wrist rest quality: 4.6, based on 16 reviews
    The wrist rest is broadly praised as comfortable, cushioned, magnetic, and much improved over earlier Corsair rests, with only minor firmness or branding complaints.
  • 4.6
    based on 15 reviews
    RGB lighting quality: 4.6, based on 15 reviews
    RGB lighting quality is one of the most consistently praised areas, with reviewers calling it vibrant, bright, clear, excellent, and visually premium.
  • 4.6
    based on 12 reviews
    switch feel: 4.6, based on 12 reviews
    Reviewers consistently describe the OPX or Speed linear switches as fast, smooth, and satisfying, though a few note the sensitivity takes adjustment and the feel is not for everyone.
  • 4.6
    based on 4 reviews
    legend visibility: 4.6, based on 4 reviews
    Legends are praised as sharp, clean, bright, and well illuminated, with reviewers appreciating the less gamer-heavy font and full legend visibility.
  • 4.6
    based on 11 reviews
    design aesthetics: 4.6, based on 11 reviews
    Design aesthetics are widely praised as premium, sleek, gorgeous, luxurious, or visually impressive, with the RGB-heavy look occasionally framed as busy.
  • 4.6
    based on 11 reviews
    macro customization: 4.6, based on 11 reviews
    Macro customization is a major strength, with reviewers praising G keys, Stream Deck integration, on-the-fly macro recording, and broad remapping possibilities.
  • 4.5
    based on 14 reviews
    gaming performance: 4.5, based on 14 reviews
    Gaming performance is widely praised as fast, smooth, and confidence-inspiring, with some reviewers reporting better responsiveness or a noticeable improvement in games.
  • 4.5
    based on 8 reviews
    volume control: 4.5, based on 8 reviews
    The volume wheel is a highlight, repeatedly praised for smoothness, premium feel, strong resistance, and better feel than some competitors.
  • 4.5
    based on 5 reviews
    onboard memory: 4.5, based on 5 reviews
    Onboard memory is praised as unusually large or impressive, especially the ability to store many profiles and lighting layers on the keyboard.
  • 4.5
    based on 2 reviews
    per-key lighting control: 4.5, based on 2 reviews
    Per-key lighting control is positively noted in reviews that appreciate the individual key lighting and access to the keyboard's 44 lighting zones.
  • 4.4
    based on 5 reviews
    latency: 4.4, based on 5 reviews
    Latency impressions are mostly positive in real use, including reports of no lag or instant action, but some reviewers question whether the sub-millisecond gains are perceptible.
  • 4.4
    based on 10 reviews
    build quality: 4.4, based on 10 reviews
    Build quality is usually described as premium, sturdy, solid, or excellent, but one Tom's Hardware sample left concerns because of magnet and key issues.
  • 4.4
    based on 14 reviews
    keycap quality: 4.4, based on 14 reviews
    The double-shot PBT keycaps are praised for feel, texture, clean looks, durability, and bright/crisp legends, though one review criticizes the included replacement caps as less durable.
  • 4.4
    based on 6 reviews
    typing feel: 4.4, based on 6 reviews
    Typing feel is generally strong once acclimated, with praise for fewer typos and satisfying keys, though PCMag initially found the keys uncomfortable.
  • 4.4
    based on 1 review
    compatibility: 4.4, based on 1 review
    Compatibility receives positive evidence from iCue recognizing another Corsair device, suggesting useful ecosystem integration.
  • 4.3
    based on 2 reviews
    stabilizer quality: 4.3, based on 2 reviews
    Stabilizer quality is viewed as improved, with praise for better sound and less rattle, though one reviewer still found some wobble and rattling.
  • 4.3
    based on 7 reviews
    customization options: 4.3, based on 7 reviews
    Customization options are extremely broad across lighting, keys, macros, and wheel functions, but reviewers often warn that configuring them takes effort.
  • 4.2
    based on 3 reviews
    ergonomics: 4.2, based on 3 reviews
    Ergonomics are generally good due to comfort and wrist support, though some reviewers want a better wrist angle or note the large full-size layout.
  • 4.1
    based on 5 reviews
    acoustics: 4.1, based on 5 reviews
    Acoustics are mixed: several reviewers like the smoother or more satisfying sound, while ProSettings complains about hollow, resonating, loud keys.
  • 4.0
    based on 7 reviews
    media controls: 4.0, based on 7 reviews
    Media controls are mostly praised for dedicated keys, a metal scroll wheel, and usable feedback, although some buttons feel odd or less satisfying.
  • 4.0
    based on 3 reviews
    passthrough features: 4.0, based on 3 reviews
    Passthrough features are generally appreciated as a useful luxury or handy extra, though cable routing is not universally ideal.
  • 4.0
    based on 2 reviews
    profile management: 4.0, based on 2 reviews
    Profile management is capable but can be overwhelming; reviewers praise large onboard profile capacity while noting the profile system can become complex.
  • 3.8
    based on 1 review
    connectivity: 3.8, based on 1 review
    Connectivity gets positive marks for USB passthrough as a handy extra, though the wired-only setup and thick cable remain contextual limitations.
  • 3.8
    based on 3 reviews
    reliability: 3.8, based on 3 reviews
    Reliability is mixed: optical switches are praised for avoiding chatter and missed inputs, but one reviewer experienced keyboard freezing and shutoff.
  • 3.7
    based on 2 reviews
    key spacing: 3.7, based on 2 reviews
    Key spacing is mixed, with praise for standard bottom-row spacing but complaints that the left G keys can cause reaches or accidental presses.
  • 3.5
    based on 13 reviews
    polling rate: 3.5, based on 13 reviews
    The 4,000Hz polling rate is seen as technically impressive and future-facing, yet many reviewers say the practical difference from 1,000Hz is subtle or hard to notice.
  • 3.5
    based on 18 reviews
    extra gaming features: 3.5, based on 18 reviews
    Extra gaming features are polarizing: reviewers praise the G keys and control wheel potential, but several call the wheel limited, janky, or not very useful in games.

Cons

  • 3.3
    based on 19 reviews
    value for money: 3.3, based on 19 reviews
    Value for money is highly conditional: reviewers like the premium feature set but repeatedly warn that the high price only makes sense if the extras are used.
  • 3.3
    based on 5 reviews
    typing comfort: 3.3, based on 5 reviews
    Typing comfort is mixed: some find the K100 comfortable after adjustment, while others call the sensitive switches unforgiving or not for all typists.
  • 3.1
    based on 16 reviews
    software quality: 3.1, based on 16 reviews
    Software quality is the most divisive area, combining deep iCue functionality with repeated complaints about clunkiness, confusing workflows, and tedious setup.
  • 3.0
    based on 6 reviews
    noise level: 3.0, based on 6 reviews
    Noise level is divided: some reviewers call the board loud or drastically louder than quieter keyboards, while others find the sound pleasant or less distracting.
  • 3.0
    based on 3 reviews
    cable quality: 3.0, based on 3 reviews
    Cable quality is mixed: reviewers call the cable sturdy, thick, and braided, but fixed and non-detachable design hurts convenience.
  • 2.5
    based on 3 reviews
    desk space efficiency: 2.5, based on 3 reviews
    Desk space efficiency is weak because multiple reviewers mention a massive footprint or the need to sacrifice room for the keyboard and wrist rest.
  • 2.3
    based on 3 reviews
    size and form factor: 2.3, based on 3 reviews
    Size and form factor are a limitation for reviewers who describe the K100 as large, full-size, and demanding of desk space.
  • 2.1
    based on 3 reviews
    portability: 2.1, based on 3 reviews
    Portability is poor because reviewers emphasize the K100's size, weight, full-size layout, and non-detachable cable as desk-bound traits.
  • 2.0
    based on 1 review
    switch options: 2.0, based on 1 review
    Switch choice is viewed as limited because reviewers mention OPX and Cherry MX Speed variants, while one reviewer explicitly disliked the lack of a tactile option.
  • 1.0
    based on 1 review
    hot-swappable switches: 1.0, based on 1 review
    Hot-swappable switches score poorly because the one opinionated mention treats the lack of hot-swap support as a drawback.

Compared With Category Average

Compared with other Gaming Keyboards, this product is above average in passthrough features, wrist rest quality, legend visibility, below average in hot-swappable switches, size and form factor, desk space efficiency.

Summary

8 compared features
  • Above average 0.4+ pts higher 38% 3 features
  • Same as average within 0.3 pts 0% 0 features
  • Below average 0.4+ pts lower 63% 5 features
Attribute This product Category average Difference
hot-swappable switches 1.0 3.4 -2.4
size and form factor 2.3 4.1 -1.8
passthrough features 4.0 2.3 +1.8
wrist rest quality 4.6 3.3 +1.3
desk space efficiency 2.5 4.1 -1.7
portability 2.1 3.5 -1.4
legend visibility 4.6 3.5 +1.1
switch options 2.0 3.2 -1.2

FAQ

Is the Corsair K100 RGB good for gaming?

Yes. Reviewers repeatedly praise its fast switches, responsive inputs, macro keys, and strong gaming feel, although several say the 4,000Hz polling advantage is subtle.

Is the K100 RGB comfortable for typing?

It can be, especially with the cushioned wrist rest, and some reviewers reported better typing results. Others found the sensitive switches unforgiving or said they take getting used to.

Is the iCue control wheel useful?

It is useful for brightness, scrolling, zooming, media control, and productivity workflows. Reviewers are more divided about its gaming value, and some find setup or mode cycling awkward.

How good is the RGB lighting?

RGB lighting is one of the strongest points in the reviews. Reviewers describe it as bright, vibrant, clear, customizable, and visually premium, with per-key control and side lighting zones.

Is the Corsair iCue software easy to use?

The software is powerful and enables deep lighting, macro, profile, and wheel customization. However, many reviewers call it clunky, confusing, tedious, or less polished than expected.

Is the K100 RGB worth the high price?

Only for users who will benefit from its premium build, macros, RGB, onboard memory, media controls, wrist rest, and fast switches. Reviewers often warn that cheaper keyboards offer similar core gaming performance.

Consider This Instead

If you want better hot-swappable switches

Choose Keychron K10 HE. It scores 4.8 vs 1.0 for hot-swappable switches, with a 4.2 overall score.

Compare

If you want better switch options

Choose MonsGeek M1 V5 HE. It scores 4.8 vs 2.0 for switch options, with a 4.3 overall score.

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If you want better desk space efficiency

Choose Lemokey P1 HE. It scores 5.0 vs 2.5 for desk space efficiency, with a 4.2 overall score.

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