RunJRX
YIMAGUJRX Black Kailh GM 8.0 Mouse Switch for Gaming Mouse 4Pcs
Bottom line: The RunJRX YIMAGUJRX Black Kailh GM 8.0 Mouse Switch for Gaming Mouse 4Pcs ($8.99 on Amazon as of 2026-10-07): Rated for over 80 million clicks for long switch lifespan; main trade-off: only 4 per pack; two-button repairs may need a second set.
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*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Rated for over 80 million clicks for long switch lifespan
- ✓ Gold-plated contacts resist corrosion and signal loss
- ✓ 65gf operating force delivers crisp, tactile clicks
- ✓ Drop-in fit for Zowie, Razer and Logitech mice
Cons
- ✗ Only 4 per pack; two-button repairs may need a second set
- ✗ Not a silent switch; every press is audible
- ✗ Soldering and desoldering required to install
- ✗ 0.3mm short travel can feel too light for some
SpecPicks Verdict
SpecPicks scored RunJRX YIMAGUJRX Black Kailh GM 8.0 Mouse Switch for Gaming Mouse 4Pcs using a rating × review-volume × price-fit model applied to published specs and reviews across the gaming peripherals category. RunJRX's gaming peripherals lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for gaming peripherals 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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- 【PARAMETRIC】Releasing force 25gf(min), Operating force 65±10gf, Conduction itinerary 0.3±0.2mm, Touch feeling 25%. Not silent micro switch.No double click.
- 【CONTACT】Gold plated contacts.
- 【TIMES】Over 80000000 cycles.
- 【COMPATIBLE WITH】Zowie Razer Logitech mouse.
- 【PACKAGE INCLUDES】GM8.0 Mouse Switch x 4.
Full Specifications
| Brand | RunJRX |
|---|---|
| Color | black |
| Model | Ms-B |
| Material | Tin |
| Terminal | Solder |
| Unit Count | 4 Count |
| Part Number | Ms-B |
| Switch Type | Temperature Switch, Touch Switch |
| Circuit Type | 1-way |
| Contact Type | Normally Open |
| Control Type | Press |
| Actuator Type | pressure |
| Compatibility | Switch |
| Material Type | Tin |
| Mounting Type | Surface Mount |
| Connector Type | Solder |
| Control Method | Touch |
| Operation Mode | ON-ON |
| Controller Type | Amazon Alexa |
| Number of Items | 4 |
Ready to buy?
YIMAGUJRX Black Kailh GM 8.0 Mouse Switch for Gaming Mouse 4Pcs is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.
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