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Head to head · Prices checked Nov 11, 2026

Coolkiller PolarBear vs Redragon SHIVA K525 MAX

Get the Coolkiller PolarBear for hot-swappable. Get the Redragon SHIVA K525 MAX for knob.

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Quick verdict

Which one should you get?

Get the

Coolkiller PolarBear

Hot-swappable

Build quality in the bottom 45% of Numpad boards under $100.

Get the

Redragon SHIVA K525 MAX

Knob

Build quality in the bottom 40% of Numpad boards under $50.

Rules this board out

  • Switches are soldered. Swapping them means soldering.

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.

Coolkiller PolarBear

Redragon SHIVA K525 MAX

  • Connection

    Wired, Wireless

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    Yes

    No

    Switch changes without soldering

  • Knob

    No

    Yes

  • Display

    None

    LED

    A case display rather than a typing feature

  • Weight

    296 g

    1,000 g

    Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score
  • Coolkiller PolarBear
  • Redragon SHIVA K525 MAX
Performance
59
58
Build quality
61
56
Productivity
72
54
Customizability
55
68
Portability
87
81

What they share

  • Layout size: Numpad
See every spec side by side

Full specs

Coolkiller PolarBear vs Redragon SHIVA K525 MAX specs

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

12 of 21 specs differ

Coolkiller PolarBear

Redragon SHIVA K525 MAX

Typing & switches

Switch options

Linear
—

Hot-swappable

Yes
No

Mount style

Gasket Mount
—

Sound dampening

Yes
No

Layout

Layout size

Numpad
Numpad

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
LED

Media keys

No
Yes

Connectivity & battery

Connection

Wired, Wireless
Bluetooth, 2.4 GHz, Wired

Battery

1,500 mAh
—

USB-C

Yes
Yes

Build & materials

Case material

Plastic
—

Keycaps

PBT
—

Weight

296 g
1,000 g

Dimensions

30 x 65 x 84 mm
37 x 445 x 189 mm

Backlight

White
RGB

Firmware & software

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2023
2026

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.

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