RedragonReleased 2025
PENUMBRA K687
74/100
75% ANSIHot-swappableHall-effectQMK / VIARGB backlightWired · USB-C
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Why we rate it
- Class-leading performance (79/100)
- Strong build quality (73/100)
- Hot-swappable switches
- First-class QMK / VIA firmware
- Portability is the weak point (60/100)
- Wired only — no Bluetooth or 2.4 GHz
Score profile
Six weighted axes · the shape tells the storyWhere the PENUMBRA K687 wins and loses
Full specification
Grouped · supported features marked in blueSpecifications
Layout
Layout size75
StandardANSI
ProfileNormal
ErgonomicsNormal
Volume knobYes
OLED / LCD screenYes
Switches & feel
Switch typesLinear
Hot-swappableYes
Mount typeGasket Mount
Screw-in stabilisersYes
Sound dampeningYes
Hall-effect / magneticYes
Rapid triggerYes
Connectivity & firmware
ConnectionWired only
USB-CYes
N-key rolloverYes
QMKYes
VIAYes
VIALYes
Mac & WindowsYes
Multi-media keysYes
Build
Case materialAluminum
BacklightRGB
ColourwaysYes
Dimensions43
Weight1500 g
More specs
Height Mm43 mm
Passthrough UsbYes
Watch it in action
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Head to head
Highlighted cell = better in that rowPENUMBRA K687 vs Weikav STARS80 V2
PENUMBRA K687STARS80 V2
| RedragonPENUMBRA K687This page | WeikavSTARS80 V2 | |
|---|---|---|
| Overall score | 70 /100 | 80 /100Better |
| Build quality | 73 /100 | 79 /100Better |
| Performance | 79 /100Better | 54 /100 |
| Connection | Wired only | Wireless + wiredBetter |
| Polling rate | — | — |
| Mount type | Gasket Mount | Gasket Mount |
| Case material | Aluminum | Aluminum |
| Hot-swappable | Yes | Yes |
| QMK / VIA | Yes | Yes |
