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Head to head · Prices checked Oct 23, 2026

Neo One of Zero Si75 HE vs Azio Retro Classic

Get the Neo One of Zero Si75 HE for hall effect and rapid trigger.

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.

Neo One of Zero Si75 HE

Azio Retro Classic

  • Hall effect (magnetic)

    Yes

    No

  • Rapid trigger

    Yes

    No

  • Connection

    Wired

    Bluetooth, Wired

  • Case material

    ABS, Polycarbonate

    Aluminum, Plastic, Wood

  • Switch options

    Magnetic

    Clicky

KeebFinder scores

How we score
  • Neo One of Zero Si75 HE
  • Azio Retro Classic
Performance
95
62
Build quality
70
66
Productivity
91
60
Customizability
74
57
Portability
65
57

What they share

  • Hot-swappable
See every spec side by side

Full specs

Neo One of Zero Si75 HE vs Azio Retro Classic specs

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

12 of 25 specs differ

Neo One of Zero Si75 HE

Azio Retro Classic

Typing & switches

Switch options

Magnetic
Clicky

Hall effect (magnetic)

Yes
No

Rapid trigger

Yes
No

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
—

Sound dampening

Yes
No

Screw-in stabilizers

Yes
No

Layout

Layout size

75%
—

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Connectivity & battery

Connection

Wired
Bluetooth, Wired

Max polling rate

8,000 Hz
—

Battery

Wired only
5,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS, Polycarbonate
Aluminum, Plastic, Wood

Plate material

Aluminum
—

Keycaps

PBT
ABS, PBT

Weight

—
1,587 g

Dimensions

—
40 x 147 x 455 mm

Backlight

RGB, south-facing
White

Firmware & software

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2026
2018

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • MKUS

    In stock
    $114Visit
  • AmazonGlobal

    Check price
    ~$114Visit
  • AzioUS

    In stock
    $199Visit
  • AmazonGlobal

    Check price
    ~$199Visit

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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