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Head to head · Prices checked Nov 7, 2026

Redragon COVE K733 vs EISA MAX K686Numpad vs Full Keyboard

Choose the COVE K733 if you need a portable number pad for a compact setup, or the EISA MAX K686 if you require a complete, full-featured keyboard.

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Quick verdict

Which one should you get?

Get the

Redragon COVE K733

Numpad

Build quality in the top 30% of Numpad boards under $50.

If you want

  • Extremely portable at 230g with compact 22-key dimensions.
  • Features a built-in calculator display with PC and Calculator modes.
  • Includes a detailed five-layer noise dampening system (PO foam, IXPE foam, PET pad, etc.).

Rules this board out

  • Numpad only. This is not a full keyboard.

Get the

Redragon EISA MAX K686

Full Keyboard

If you want

  • Offers a complete 98-key layout in a space-saving 90% form factor.
  • Uses durable, wear-resistant PBT keycaps.
  • Package includes a keycap & switch puller and four spare switches.

Bottom line

Your need for a primary keyboard versus a supplementary accessory dictates this choice. Opt for the Redragon EISA MAX K686 if you want a single, full-featured keyboard with a number pad, media controls, and durable PBT keycaps. Choose the Redragon COVE K733 if you already have a compact keyboard and need to add a portable, high-speed numpad with a unique calculator screen, accepting its potential software quirks.

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.

Redragon COVE K733

Redragon EISA MAX K686

  • Layout size

    Numpad

    90%

  • Display

    Yes

    None

    A case display rather than a typing feature

  • Weight

    230 g

    1,200 g

    Heavier boards stay planted and lighter ones travel

  • Released

    2025

    2024

  • Dimensions

    98 x 165 x 38 mm

    90 x 430 x 90 mm

KeebFinder scores

How we score
  • Redragon COVE K733
  • Redragon EISA MAX K686
Performance
84
66
Build quality
74
63
Productivity
83
83
Customizability
79
67
Portability
88
52

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Case material: Plastic
  • Switch options: Linear
  • Mount style: Gasket Mount
  • Knob
See every spec side by side

Best for

What will you mostly use it for?

The EISA MAX K686 is the clear choice for primary use as a full keyboard in office and programming scenarios, thanks to its complete layout and PBT keycaps. The COVE K733 excels in portability for travel and as a secondary gaming or macro pad, leveraging its high polling rate and tiny footprint. For modding enthusiasts, the K733 offers a detailed, layered sound-dampening construction to tinker with. Content creation needs are split, with the K686's media knob balancing the K733's potential for numeric input.

For gaming

Pick the Redragon COVE K733

  • The COVE K733 has a specified 8000 Hz polling rate for lower latency.
  • Its 230g weight and compact 22-key size free up significant desk space for mouse movement.
  • It can be mapped for gaming macros as a secondary pad, according to a user review.

Full specs

Redragon COVE K733 vs EISA MAX K686 specs

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

5 of 19 specs differ

Redragon COVE K733

Redragon EISA MAX K686

Typing & switches

Switch options

Linear
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

Numpad
90%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

Yes
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

8,000 Hz
—

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Plastic

Keycaps

—
PBT

Weight

230 g
1,200 g

Dimensions

98 x 165 x 38 mm
90 x 430 x 90 mm

Backlight

RGB
RGB

Firmware & software

Mac & Windows

Yes
Yes

Extras

Released

2025
2024

Where to buy

Compare prices

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

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FAQ

Redragon COVE K733 vs EISA MAX K686: your questions

No, the COVE K733 is not a full keyboard. It is a dedicated 22-key mechanical numpad designed as a side component for users with compact keyboards that lack a number pad. It requires a separate primary keyboard for typing letters and standard functions.

Yes, the EISA MAX K686 includes a number pad. It is a 98-key keyboard with a 96% layout, which retains the number pad, arrow keys, and navigation cluster while shrinking the overall size compared to a full 100% keyboard.

The COVE K733 lists an 8000 Hz polling rate, which suggests a focus on low latency. The EISA MAX K686's polling rate is not specified in the provided information, so a direct comparison on this metric cannot be made from the available data.

Yes, both keyboards feature hot-swappable sockets. The COVE K733 vendor page mentions a socket designed for easier mounting with less wobble. The EISA MAX K686 listing confirms hot-swappable sockets and includes a switch puller and four spare switches in the box.

The COVE K733 is significantly more portable. It weighs only 230g and measures 98 x 165 x 38 mm, making it easy to carry. The EISA MAX K686 weighs 1200g and is much larger, designed to stay on a desk.

Yes, both the COVE K733 and EISA MAX K686 offer tri-mode connectivity. This includes a USB-C wired connection, Bluetooth, and a 2.4GHz wireless mode using a nano receiver for flexible use.

The EISA MAX K686 uses PBT keycaps, which are noted for being wear-resistant. The keycap material for the COVE K733 is not specified in its provided metadata or vendor description.

According to user reviews, the calculator mode on the COVE K733 may not follow standard operator precedence (e.g., it calculates 2 + 3 * 4 as 20 instead of 14). Some users also report the 'SEND' button, meant to transfer results to the PC, may not function reliably.

The EISA MAX K686 package includes the keyboard, a detachable USB Type-C cable, a nano receiver, a keycap and switch puller, four spare switches, a Redragon sticker, and a user manual.

Both keyboards are described as having five layers of sound-absorbing materials. The COVE K733 vendor page specifically lists components like 3.5mm PO foam, IXPE switch foam, a PET sound pad, bottom socket foam, and a silicone bottom pad. The EISA MAX K686 listing mentions '5 Sound Absorbing Pads' but does not detail the specific layers.

Yes, the COVE K733's small size, light weight, and wireless capabilities make it suitable for use with a laptop. Its Bluetooth mode allows it to connect without using a USB port, enhancing portability for number-intensive tasks outside the home or office.

Yes, the vendor description for the EISA MAX K686 states it has 'Pro Software Supported.' This software allows you to design lighting effects and create macros with different keybindings or shortcuts for more efficient work and gaming.

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