Keychron

Keychron C4 HE 8K Magnetic Switch Wired Keyboard Launcher Web App Cherry Profile PBT Keycaps Adjustable Actuation Point with 0.01 mm Sensitivity Full-Size Layout RGB Compatible with Mac Windows Linux

Name: Keychron C4 HE 8K Magnetic Switch Wired Keyboard Launcher Web App Cherry Profile PBT Keycaps Adjustable Actuation Point with 0.01 mm Sensitivity
Brand: Keychron
SKU: B0FYFK677F
Price: 99.99 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-07

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$99.99

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*Price sourced from Amazon.com. Price and availability subject to change.

Bottom line: The Keychron C4 HE 8K Magnetic Switch Wired Keyboard Launcher Web App Cherry Profile PBT Keycaps Adjustable Actuation Point with 0.01 mm Sensitivity Full-Size Layout RGB Compatible with Mac Windows Linux is a niche pick — read recent reviews before buying in the retro cpus category, priced around $99.99. Compare close alternatives before committing.

SpecPicks Verdict

SpecPicks scored Keychron C4 HE 8K Magnetic Switch Wired Keyboard Launcher Web App… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the retro cpus category. Keychron's retro cpus lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

Common buyer scenarios for retro cpus of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Backed by Keychron's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

Meet the C4 HE 8K Full-size Keyboard: The C4 HE 8K Edition is a 100% custom magnetic keyboard, engineered to set a new standard. It combines a groundbreaking 8K polling rate with Keychron Ultra-Fast Lime Magnetic Switches, delivering unrivaled precision and control. Every detail is designed to be tailored to your individual style
Wired for 8K Speed: Experience ultra-low input lag with a polling rate up to 8 times faster than standard 1K polling. The C4 HE 8K achieves its 8K polling rate exclusively through a stable, high-bandwidth wired connection, ensuring ultra-responsive performance and reliable high-speed data transmission for competitive play
Complete Control with Keychron Launcher: Remap keys, customize knobs, build macros, and fine-tune shortcuts—all through the intuitive Keychron Launcher web app. And make complex actions simple to enhance gaming or work efficiency. Take control and optimize your productivity like never before
Adjustable Actuation with 0.01mm Precision: Customize each key with precision, adjusting actuation points from 0.1 to 3.35 mm with 0.01 mm sensitivity. Set shallow keypresses for instant actions and deeper ones for deliberate engagement, minimizing accidental touches and giving you an edge in both gaming and typing
Suitable for All Devices: Built with the Mac users’ experience in mind while still retaining compatibility for Windows devices, the C4 HE 8K comes with a system toggle and an additional set of customized keycaps for both Windows and macOS systems. You can now save two different layouts on the keyboard, one for each system
Designed for Comfort. Built to Last: Cherry-profile keycaps feature an ergonomically sculpted shape that helps your fingers naturally locate each key, resulting in a quieter, more muted typing sound and reduced fatigue during extended use. Paired with double-shot PBT construction, the C4 HE 8K enhances durability and ensures long-lasting, fade-resistant legends.

Full Specifications

Brand	Keychron
Color	Black
Material	Body Material: Plastic
Unit Count	1 Count
Switch Type	Linear
Power Source	Wired
Compatibility	Switch, Mac, Linux
Built-In Media	Keycap & Switch Puller x1, Type-A to Type-C Adapter x1, Type-C to Type-C Cable x1
Number of Keys	84
Connection Type	Wired
Keyboard Layout	QWERTY
Special Feature	8K Polling Rate, Ultra-Fast Lime Magnetic Switch, Launcher Web App, macOS/Windows/Linux, Cherry Profile PBT Keycaps
Antenna Location	Business, Multimedia, Programming
Hand Orientation	Ambidextrous
Compatible Devices	Laptop, PC
Enclosure Material	Body Material: Plastic
Additional Features	8K Polling Rate, Ultra-Fast Lime Magnetic Switch, Launcher Web App, macOS/Windows/Linux, Cherry Profile PBT Keycaps
Keyboard Description	Office, Home
Connectivity Technology	USB-C
Item Dimensions L x W x H	17.54"L x 5.42"W x 1.18"H

Ready to buy?

Keychron C4 HE 8K Magnetic Switch Wired Keyboard Launcher Web App Cherry Profile PBT Keycaps Adjustable Actuation Point with 0.01 mm Sensitivity Full-Size Layout RGB Compatible with Mac Windows Linux is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Price and availability subject to change.