Compare Epomaker EK21 vs MKESPN K812 Differences Side by Side

This comparison is for users seeking a dedicated numpad or macro pad to complement their main keyboard. The decision is challenging because both offer programmability via VIA but diverge sharply in connectivity, build philosophy, and intended use. The EK21 is a feature-rich, modern peripheral, while the K812 is a more basic, function-focused tool.

Model
	83	64	Select a keyboard to compare
Rating	4.6 stars (12 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Supports hot-swappable switches Comes with a knob Compatible with both Mac and Windows Connects via USB-C Features N-key rollover Has built-in sound dampening Uses a Gasket Mount mounting style Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity Runs at a 1000 Hz polling rate Equipped with a 1000 mAh battery Weighs about 200 g Sized at 29 x 138 x 93 mm Made with a ABS case Features PBT keycaps Offers Yes, Rgb RGB lighting	Supports QMK firmware Supports Wired, Wired only connectivity Weighs about 420 g Sized at 98 x 116 x 39 mm Offers No RGB lighting
Score	Scores Performance: 77.2 Build Quality: 76.6 Productivity: 86.8 Customizability: 82.4 Portability: 87.8	Scores Performance: 49.6 Build Quality: 71 Productivity: 57.3 Customizability: 64.1 Portability: 62.8
Name	Name Epomaker EK21	Name MKESPN K812
Release year	Release year 2025	Release year 2025
Switch Options	Switch Options Linear	Switch Options Linear
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size Numpad	Layout Size Numpad
Layout Standard	Layout Standard ANSI	Layout Standard ANSI
Layout Ergonomics	Layout Ergonomics Normal	Layout Ergonomics Normal
Knob Support	Knob Support	Knob Support
Display Support	Display Support	Display Support
Mac/Win Support	Mac/Win Support	Mac/Win Support
Multi-Media Keys	Multi-Media Keys	Multi-Media Keys
USB-C	USB-C	USB-C
USB passthrough	USB passthrough	USB passthrough
Connection	Connection Bluetooth, 2.4 GHz, Wired, Wireless	Connection Wired, Wired only
Polling Rate	Polling Rate 1000 Hz	Polling Rate -
Battery capacity	Battery capacity 1000 mAh	Battery capacity -
Hall Effect Support	Hall Effect Support	Hall Effect Support
QMK Support	QMK Support	QMK Support
VIA Support	VIA Support	VIA Support
VIAL Support	VIAL Support	VIAL Support
N-Key Rollover	N-Key Rollover	N-Key Rollover
Rapid Trigger	Rapid Trigger	Rapid Trigger
Mount Style	Mount Style Gasket Mount	Mount Style -
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb	Backlight
Case Colors	Case Colors	Case Colors
Case Material	Case Material ABS	Case Material -
Keycaps Material	Keycaps Material PBT	Keycaps Material -
Dimensions	Dimensions 29 x 138 x 93 mm	Dimensions 98 x 116 x 39 mm
Weight	Weight 200g	Weight 420g

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Pros and Trade-offs

For most users, the Epomaker EK21 is the recommended choice. Its wireless flexibility, premium gasket-mount construction, and hot-swap capability justify its higher cost for anyone wanting a versatile and customizable numpad. Only consider the MKESPN K812 if your budget is extremely constrained, you have no need for wireless operation, and you are comfortable with a more basic feature set focused solely on wired macro programming.

Epomaker EK21

+Triple-mode connectivity with wired, Bluetooth, and 2.4GHz wireless.
+Gasket-mount structure with Poron foam, sandwich foam, and an IXPE switch pad for sound dampening.
+Hot-swappable PCB compatible with 3-pin and 5-pin mechanical switches.
+Includes a programmable aluminum alloy knob and pre-lubed, finely-tuned stabilizers.
+Features a 1000mAh battery and RGB backlighting.

−Higher price point compared to the basic K812.
−Some user reviews mention firmware or VIA software issues requiring troubleshooting.
−Battery life is a consideration for wireless use, unlike a purely wired device.

MKESPN K812

+Generally available at a lower price point.
+Supports VIA and QMK for deep programmability.
+Heavier 420g weight may provide more desk stability.

−Wired-only connectivity limits placement and device switching.
−Lacks hot-swappable switches, RGB lighting, and a battery.
−No detailed information on mounting style, plate material, or sound-dampening features.

Which Keyboard Is Better for Your Needs?

The Epomaker EK21 is the clear choice across all defined use cases due to its superior connectivity, lighter weight, and extensive customization features. Its wireless capabilities, programmability, and premium build materials like the gasket mount and aluminum knob make it a versatile tool for gamers, professionals, and modders alike. The MKESPN K812's primary advantage is its potentially lower cost for users who strictly require a wired macro pad with VIA support and do not need wireless operation or a refined typing feel.

GamingEpomaker EK21

•The EK21 offers a 1000Hz polling rate in wired and 2.4GHz modes for lower latency.
•Its N-key rollover (NKRO) supports multiple simultaneous key presses for gaming accuracy.
•The included aluminum knob can be programmed for in-game controls like volume or zoom.

OfficeEpomaker EK21

•Triple-mode connectivity (wired, Bluetooth, 2.4GHz) allows easy switching between devices.
•The 1000mAh battery supports extended wireless use without frequent charging.
•Compatibility with Mac, Windows, and Android systems increases versatility in mixed environments.

ProgrammingEpomaker EK21

•Full programmability via VIA software allows for complex macros and layer creation.
•Hot-swappable switch sockets enable easy customization of switch feel for long coding sessions.
•The gasket-mount structure with Poron and IXPE foam provides a quieter, more comfortable typing experience.

TravelEpomaker EK21

•It weighs only 200g, making it significantly lighter than the 420g K812.
•Wireless operation via Bluetooth or 2.4GHz removes the need for a cable on the go.
•Its compact dimensions (29 x 138 x 93 mm) make it easy to pack.

ModdingEpomaker EK21

•Hot-swappable PCB supports 3-pin and 5-pin mechanical switches for easy switch changes.
•Gasket-mount structure with a polycarbonate plate and multiple foam layers (Poron, IXPE) is designed for customization.
•The product listing mentions a flex-cut PCB and plate for additional typing flexibility.

Content CreationEpomaker EK21

•The programmable aluminum knob is ideal for scrubbing timelines or adjusting brush sizes.
•RGB backlighting can be useful for low-light editing environments.
•Wireless connectivity reduces desk clutter for a cleaner workspace setup.