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Head to head · Prices checked Nov 13, 2026

Keychron K2 V2 vs Redragon PENUMBRA K687 Pro

Get the Redragon PENUMBRA K687 Pro for knob.

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Quick verdict

Which one should you get?

Get the

Keychron K2 V2

Build quality in the bottom 50% of 75% boards under $100.

Rules this board out

  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.

Get the

Redragon PENUMBRA K687 Pro

Knob

Build quality in the top 35% of 75% boards under $100.

Rules this board out

  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

What actually differs

The differences that matter

Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.

Keychron K2 V2

Redragon PENUMBRA K687 Pro

  • Connection

    Bluetooth, Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Case material

    Aluminum, Plastic

    Aluminum

  • Switch options

    Clicky, Linear, Tactile

    Linear

  • Mount style

    Tray Mount

    Gasket Mount

  • Knob

    No

    Yes

KeebFinder scores

How we score
  • Keychron K2 V2
  • Redragon PENUMBRA K687 Pro
Performance
74
79
Build quality
65
73
Productivity
65
70
Customizability
66
60
Portability
79
74

What they share

  • Layout size: 75%
  • Hot-swappable
See every spec side by side

Full specs

Keychron K2 V2 vs Redragon PENUMBRA K687 Pro specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

12 of 21 specs differ

Keychron K2 V2

Redragon PENUMBRA K687 Pro

Typing & switches

Switch options

Clicky, Linear, Tactile
Linear

Hot-swappable

Yes
Yes

Mount style

Tray Mount
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-UK, JIS
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

Bluetooth, Wired
Bluetooth, 2.4 GHz, Wired

Battery

4,000 mAh
—

USB-C

Yes
Yes

Build & materials

Case material

Aluminum, Plastic
Aluminum

Keycaps

ABS, PBT
PBT

Weight

—
1,800 g

Dimensions

—
43 x 132 x 43 mm

Backlight

RGB, north-facing
RGB

Firmware & software

N-key rollover

Yes
Yes

Mac & Windows

Yes
No

Extras

Released

2019
2024

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Lowest price across stores, Amazon excluded.

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Keychron K2 V2

  • Keychron

    ISO-DE, ISO-UK, ISO-Nordic

    In stockShips to you

    Go to Keychron
  • Keychron (DE)

    ISO-DE, ISO-UK, ISO-Nordic, ISO-FR, ISO-ES

    Out of stockDoes not ship to you

    Go to Keychron (DE)

Redragon PENUMBRA K687 Pro

No ISO layout at the stores we track.

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