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Compare Weikav Stars21 Programmable Numpad vs Keychron K0 Max Differences Side by Side

This comparison is for users seeking a dedicated, programmable mechanical numpad. The decision is difficult because both offer high-end features like triple-mode connectivity, QMK/VIA support, and hot-swap sockets at a similar price. The core trade-off is between the Weikav's standard-profile, gasket-mounted DIY kit and the Keychron's unique low-profile, pre-built design with a rotary encoder.

80
[In Stock] Stars21 Programmable Mechanical Numpad
90
Keychron K0 Max QMK Wireless Custom Number Pad

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0.0 (0)
3.7 (7)
  • Has Linear switch options
  • Uses a Gasket Mount mounting style
  • Equipped with a 800 mAh battery
  • Weighs about 480 g
  • Sized at 18 x 130 x 95 mm
  • Made with a Aluminum case
  • Offers Yes, Rgb RGB lighting
  • Has Linear, Tactile, Clicky switch options
  • Features a low-profile design
  • Comes with a knob
  • Compatible with both Mac and Windows
  • Connects via USB-C
  • Includes screw-in stabilizers
  • Has built-in sound dampening
  • Uses a Plate Mount mounting style
  • Equipped with a 750 mAh battery
  • Made with a Aluminum, Plastic case
  • Features PBT, POM keycaps
  • Offers Yes, Rgb, North-face, Rgb North-face RGB lighting
Scores
  • Performance: 75.7
  • Build Quality: 84.1
  • Productivity: 57
  • Customizability: 90.1
  • Portability: 78.1
Scores
  • Performance: 79
  • Build Quality: 84.8
  • Productivity: 95.2
  • Customizability: 92.9
  • Portability: 86
Name
Weikav Stars21 Programmable Numpad
Name
Keychron K0 Max
Release year
2025
Release year
2025
Switch Options
Linear
Switch Options
Linear, Tactile, Clicky
Profile
Normal Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
Numpad
Layout Size
Numpad
Layout Standard
ANSI
Layout Standard
ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Display Support
 
Display Support
 
Mac/Win Support
 
Mac/Win Support
 
Multi-Media Keys
 
Multi-Media Keys
 
USB-C
 
USB-C
 
USB passthrough
 
USB passthrough
 
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
800 mAh
Battery capacity
750 mAh
Hall Effect Support
 
Hall Effect Support
 
QMK Support
 
QMK Support
 
VIA Support
 
VIA Support
 
VIAL Support
 
VIAL Support
 
N-Key Rollover
 
N-Key Rollover
 
Rapid Trigger
 
Rapid Trigger
 
Mount Style
Gasket Mount
Mount Style
Plate Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb
Backlight
 
Rgb, North-face
Case Colors
Case Colors
Case Material
Aluminum
Case Material
Aluminum, Plastic
Keycaps Material
-
Keycaps Material
PBT, POM
Dimensions
18 x 130 x 95 mm
Dimensions
-
Weight
480g
Weight
-
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Pros and Trade-offs

Your primary need dictates the choice. If you want a sleek, ready-to-use accessory with a knob for creative controls, the Keychron K0 Max is the straightforward pick. If you enjoy building keyboards and want a premium, moddable numpad with a gasket-mounted aluminum case, the Weikav Stars21 kit offers that foundation. Both deliver excellent programmability and wireless flexibility.

Weikav Stars21 Programmable Numpad

  • +Gasket mount design for a flexible typing feel.
  • +Full CNC aluminum case construction.
  • +Sold as a DIY kit for hands-on assembly and customization.
  • +Standard switch profile compatible with a vast range of aftermarket parts.
  • +Includes an anodized gold weight according to the vendor.
  • −Requires assembly, switches, and keycaps (sold as a kit).
  • −Limited to linear switch type in the provided configuration.
  • −No dedicated macro keys or rotary encoder out of the box.

Keychron K0 Max

  • +Pre-built and ready to use with switches and keycaps included.
  • +Unique low-profile design with LSA profile PBT keycaps.
  • +Includes a rotary encoder knob and a dedicated macro column.
  • +Features sound-dampening IXPE and latex foam inside.
  • +Offers a choice of linear, tactile, or clicky low-profile switches.
  • −Limited to compatible Gateron or Keychron low-profile mechanical switches only.
  • −Some user reviews mention shorter-than-expected battery life.
  • −Case uses a combination of aluminum and plastic materials.

Which Keyboard Is Better for Your Needs?

The Keychron K0 Max wins for office use, travel, and content creation due to its pre-built convenience, slim form factor, and included knob. The Weikav Stars21 is the clear choice for modders seeking a gasket-mounted kit. For gaming and programming, both are equally capable, with the choice boiling down to a preference for low-profile versus standard-height key switches and keycaps.

GamingTie
  • •Both offer a 1000 Hz polling rate in wired and 2.4 GHz modes for low latency.
  • •Both support N-key rollover for simultaneous key presses.
  • •The choice depends on preference for low-profile (K0 Max) or standard-height keys (Stars21).
OfficeKeychron K0 Max
  • •The Keychron K0 Max is a pre-built unit, ready to use out of the box.
  • •Its low-profile design and included sound-dampening foams may be quieter.
  • •The manufacturer lists Mac/Win support and a web-based configurator for easy key remapping.
ProgrammingTie
  • •Both support QMK and VIA for deep, layer-based key programming.
  • •Both are hot-swappable for customizing switch feel.
  • •The K0 Max has a dedicated macro column, while the Stars21's keys can be fully remapped.
TravelKeychron K0 Max
  • •The Keychron K0 Max is described as 'ultra-slim' with low-profile switches.
  • •Its lower front height (implied by low-profile design) may fit better in bags.
  • •Both have similar wireless capabilities and battery sizes (750mAh vs 800mAh).
ModdingWeikav Stars21 Programmable Numpad
  • •The Weikav Stars21 is sold as a DIY kit, designed for assembly and modification.
  • •It features a gasket mount and an anodized aluminum case for a specific typing feel.
  • •Its standard profile allows for a wider universe of aftermarket keycaps and switches.
Content CreationKeychron K0 Max
  • •The Keychron K0 Max includes a rotary encoder knob, useful for scrubbing timelines or adjusting brush size.
  • •Its pre-lubed Keychron Milk POM switches and redesigned stabilizers are tuned for a consistent feel.
  • •The low-profile keycaps with LSA profile are designed for a premium typing experience.

Frequently Asked Questions (FAQ)

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