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Head to head · Prices checked Nov 11, 2026

Ergodox 76 Hot Dox V2 vs Sirius Ursa Major V2

Get the Sirius Ursa Major V2 for knob.

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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.

Ergodox 76 Hot Dox V2

Sirius Ursa Major V2

  • Connection

    Wired

    Bluetooth, Wired

    Wireless for several devices and wired for lower latency

  • Case material

    Acrylic, Aluminum

    Aluminum

  • Knob

    No

    Yes

  • Display

    Yes

    None

    A case display rather than a typing feature

  • Weight

    1,000 g

    1,400 g

    Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score
  • Ergodox 76 Hot Dox V2
  • Sirius Ursa Major V2
Performance
60
68
Build quality
69
82
Productivity
73
98
Customizability
78
91
Portability
73
90

What they share

  • Hot-swappable
  • Ergonomics: Split
  • VIA
See every spec side by side

Full specs

Ergodox 76 Hot Dox V2 vs Sirius Ursa Major V2 specs

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

12 of 24 specs differ

Ergodox 76 Hot Dox V2

Sirius Ursa Major V2

Typing & switches

Switch options

Clicky, Linear, Silent
—

Hot-swappable

Yes
Yes

Sound dampening

No
Yes

Screw-in stabilizers

No
Yes

Layout

Layout standard

ANSI
ANSI

Ergonomics

Split
Split

Knob

No
Yes

Display

Yes
None

Connectivity & battery

Connection

Wired
Bluetooth, Wired

Max polling rate

—
1,000 Hz

Battery

Wired only
2,400 mAh

USB-C

Yes
Yes

Build & materials

Case material

Acrylic, Aluminum
Aluminum

Plate material

Aluminum
FR4

Keycaps

PBT
—

Weight

1,000 g
1,400 g

Dimensions

—
14 x 36 x 4 mm

Typing angle

—
5°

Backlight

RGB
None

Firmware & software

QMK

No
Yes

VIA

Yes
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2025

Where to buy

Compare prices

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

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