Epomaker EK21 vs Zuoya GMK21 NumpadWireless or DIY?
Choose the Epomaker EK21 for a ready-to-use wireless numpad, or the Zuoya GMK21 if you want a barebones kit with QMK and VIA support.
Which one should you get?
Get the
Epomaker EK21
Sound dampening
- Tri-mode connectivity includes Bluetooth, 2.4 GHz and wired USB-C.
- Gasket mount, polycarbonate plate and vendor-described three-layer PORON and IXPE dampening.
- Prebuilt with linear switches and PBT keycaps.
- Its ABS case is plastic rather than a listed metal case.
- Its 1000 mAh battery and 200 g weight are useful reference points, but the listing does not specify a battery-life figure.
- It supports VIA, while the GMK21 explicitly lists both QMK and VIA.
Get the
Zuoya GMK21 Numpad
QMK
- DIY barebones kit format leaves the build for the buyer to complete.
- Supports both QMK and VIA.
- Lists hot-swappable 5-pin sockets.
- The barebones kit is not presented as a prebuilt, ready-to-use numpad.
- The listing does not specify switches, keycaps or case and plate materials.
- Connectivity, battery, weight and dimensions are not specified in the listing.
Choose the Epomaker EK21 if you want a prebuilt numpad with specified tri-mode connectivity, linear switches, dampening and a 1000 Hz polling rate. Choose the Zuoya GMK21 if you prefer a DIY barebones build and value having both QMK and VIA listed. Check the GMK21 kit contents before buying if you need switches or keycaps included.
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.
Epomaker EK21
Zuoya GMK21 Numpad
QMK
No
Yes
Sound dampening
Yes
No
N-key rollover
Yes
No
Mac & Windows
Yes
No
Released
2025
2026
- Epomaker EK21
- Zuoya GMK21 Numpad
- Performance
- 7962
- Build quality
- 7779
- Productivity
- 8865
- Customizability
- 8293
- Portability
- 8865
- Layout size: Numpad
- Hot-swappable
- Knob
- VIA
What will you mostly use it for?
The EK21 has the clearer advantage for gaming, office use and travel, with specified connectivity, polling, rollover and physical dimensions. Programming is a close call because both support VIA and have a knob, while the GMK21 adds QMK support. For modding, the GMK21's barebones format makes it the more direct choice. The EK21 suits content creators who want the vendor-described volume control and ready-built numpad.
Pick the Epomaker EK21
- The EK21 lists a 1000 Hz polling rate and N-Key Rollover.
- Its wired and 2.4 GHz connections are specified alongside Bluetooth.
- The GMK21 listing does not specify polling rate or key rollover.
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Epomaker EK21
34 owner reviews
“Great wireless connectivity, sounds and feels as good as my 200$ custom keyboard. Great buy especially with the discount, would definitely buy again.”
“I have had this thing for years, I have updated to every Json file and firmware file I can find and it has NEVER worked right, Either the Json file or the firmware is jacked up and no one at Epomaker can give me any explanation. This numpad is the reason I…”
Zuoya GMK21 Numpad
No owner reviews collected yet.
Epomaker EK21 vs Zuoya GMK21 Numpad specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
6 of 24 specs differ
Epomaker EK21
Zuoya GMK21 Numpad
Switch options
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Knob
Display
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
Compare prices
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Epomaker EK21 vs Zuoya GMK21 Numpad: your questions
The EK21 is a prebuilt numpad with linear switches, PBT keycaps and Bluetooth, 2.4 GHz and wired connectivity. The GMK21 is a DIY barebones kit with QMK and VIA support.
Yes. The EK21 lists Bluetooth and 2.4 GHz wireless, along with wired USB-C connectivity. It also has a 1000 mAh battery.
The GMK21 vendor listing describes it as VIA/QMK compatible, and the product metadata lists both QMK and VIA support. Its listing identifies the product as a DIY barebones kit.
Yes, the EK21 lists a gasket mount. Epomaker also describes a polycarbonate plate and three layers of PORON and IXPE dampening.
Both are listed as hot-swappable. Epomaker specifies 3-pin and 5-pin switch compatibility for the EK21, while the GMK21 listing specifies 5-pin sockets.
The EK21 has listed dimensions of 29 x 138 x 93 mm and a weight of 200 g, plus Bluetooth and 2.4 GHz wireless. The GMK21 listing does not give dimensions, weight or wireless details for comparison.
The EK21 is listed with linear switches, and Epomaker describes its switches as pre-lubed. The GMK21 is a barebones kit, and its listing does not specify included switches.
Yes, both list a knob. Epomaker describes the EK21's aluminum alloy knob as a volume control, while the GMK21 listing confirms a knob without specifying its function.
The EK21 has a listed 1000 Hz polling rate and N-Key Rollover, with wired and 2.4 GHz connection options. The GMK21 listing does not specify polling rate or rollover.
Yes, the EK21 lists RGB, and Epomaker describes customizable RGB backlighting with per-key customization. The GMK21 listing specifies a multicolor backlight.
The GMK21 is identified as a DIY barebones kit, not a prebuilt numpad. Its listing does not specify included switches or keycaps, so check the kit contents before ordering.
Both products list VIA support and a knob, which gives each a basis for a customized workflow. The GMK21 also lists QMK support, while the EK21 is prebuilt and includes linear switches and PBT keycaps.
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