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Head to head · Prices checked Nov 14, 2026

Redragon K708 vs K721Wireless or Hall Effect

Get the K708 for tri-mode wireless, its TFT screen and knob, and broader mechanical-switch flexibility; choose the K721 for Hall Effect switches, Rapid Trigger, and 8000Hz polling.

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Quick verdict

Which one should you get?

Get the

Redragon K708

Knob

Build quality in the top 20% of 75% boards under $50.

If you want

  • Bluetooth, 2.4 GHz, and wired connection options.
  • TFT screen and knob, with status display and lighting and volume controls described by the vendor.
  • Vendor-listed support for almost all brands of 3-pin and 5-pin mechanical switches.

Get the

Redragon K721

Hall effect

Build quality in the bottom 40% of 75% boards under $100.

If you want

  • Hall Effect magnetic switches with adjustable actuation.
  • Rapid Trigger and an 8000Hz polling rate.
  • Listed weight of 803g.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.

Bottom line

Choose the K708 for Bluetooth and 2.4 GHz use, its TFT screen and knob, and compatibility with a wider range of 3-pin and 5-pin mechanical switches. Choose the K721 for Hall Effect actuation, Rapid Trigger, and its specified 8000Hz polling rate. The K721's magnetic-only switch sockets exclude standard MX switches.

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 K708

Redragon K721

  • Hall effect (magnetic)

    No

    Yes

    Adjustable actuation helps in games and not in normal typing

  • Rapid trigger

    No

    Yes

    Faster resets help in games and not in normal typing

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired

    Wireless for several devices and wired for lower latency

  • Switch options

    Linear

    Linear, Magnetic

  • Knob

    Yes

    No

KeebFinder scores

How we score
  • Redragon K708
  • Redragon K721
Performance
82
98
Build quality
79
58
Productivity
88
52
Customizability
79
55
Portability
81
58

What they share

  • Layout size: 75%
  • Hot-swappable
  • Mount style: Gasket Mount
See every spec side by side

Best for

What will you mostly use it for?

The K721 is the more focused gaming option, with Hall Effect switches, Rapid Trigger, and a specified polling rate. The K708 takes the broader everyday-use categories because it combines wireless connections with a screen and knob. For programming and switch customization, its stated 3-pin and 5-pin switch compatibility is a meaningful distinction. The K721 remains lighter by the listed weights, but it requires a wired connection.

For gaming

Pick the Redragon K721

  • Hall Effect magnetic switches support adjustable actuation, according to the K721 product description.
  • Rapid Trigger and an 8000Hz polling rate are listed for the K721.
  • The K708 provides linear switches and N-Key Rollover, but its listing does not specify Rapid Trigger or a polling rate.

Full specs

Redragon K708 vs K721 specs

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

11 of 22 specs differ

Redragon K708

Redragon K721

Typing & switches

Switch options

Linear
Linear, Magnetic

Hall effect (magnetic)

No
Yes

Rapid trigger

No
Yes

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

TFT
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Wired

Max polling rate

—
8,000 Hz

USB-C

Yes
No

Build & materials

Case material

Aluminum
—

Keycaps

ABS, PBT
—

Weight

850 g
803 g

Dimensions

43 x 335 x 140 mm
43 x 335 x 140 mm

Backlight

RGB
RGB

Firmware & software

N-key rollover

Yes
Yes

Mac & Windows

Yes
No

Extras

Released

2024
2025

Where to buy

Compare prices

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

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Lowest price across stores, Amazon excluded.

FAQ

Redragon K708 vs K721: your questions

The K708 offers Bluetooth, 2.4 GHz, and wired connections, plus a TFT screen and knob. The K721 is wired only and adds Hall Effect switches, Rapid Trigger, and an 8000Hz polling rate.

Yes. Its listed connection options are Bluetooth, 2.4 GHz, and wired USB-C. The vendor description also identifies Bluetooth and 2.4 GHz as wireless connection modes.

No wireless connection is listed for the K721; its connectivity is wired only. Its product description specifies a USB wired connection.

The K721 lists Rapid Trigger as an extra feature, and its vendor description explains that it enables repeated keystrokes without fully releasing a key. Rapid Trigger is not listed for the K708.

No. The K721 compatibility rule says it accepts magnetic switches only, and standard MX switches will not fit. The K708 vendor description instead specifies support for 3-pin and 5-pin mechanical switches.

The K708 is listed as hot-swappable, and its vendor description says its sockets support almost all brands of 3-pin and 5-pin mechanical switches. That makes it the more flexible option for changing conventional mechanical switches.

Yes. The K708 has a TFT screen, which the vendor says can show information such as battery level, date, and connection mode. The screen can also display personalized GIF animations according to that description.

The K708 vendor description says its knob can adjust lighting brightness and volume, and switch between lighting modes. It is listed alongside the built-in TFT screen.

The K721 is the more gaming-focused choice based on its Hall Effect switches, Rapid Trigger, and listed 8000Hz polling rate. The K708 has linear switches and N-Key Rollover, but its listing does not specify Rapid Trigger or a polling rate.

The K721 is listed at 803g, while the K708 is listed at 850g. Those figures make the K721 lighter by the listed weights.

Yes, RGB is listed for both keyboards. The K708 vendor description specifies 15 preset RGB lighting modes, while the K721 description lists 18 preset lighting modes.

The K708 lists Mac/Windows support among its extra features, and its vendor description names macOS compatibility. The K721 vendor description lists Windows versions, but does not list Mac compatibility.

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