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Head to head · Prices checked Nov 7, 2026

Redragon DHARMA K556 HE vs DHARMA K740 PROHall Effect Gaming vs Wireless Versatility

Choose the K556 HE for its high-performance Hall Effect switches and 8K polling rate, or the K740 PRO for its wireless flexibility and hot-swap capability.

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Quick verdict

Which one should you get?

Get the

Redragon DHARMA K556 HE

Hall Effect Gaming

Build quality in the bottom 50% of 100% boards under $100.

If you want

  • 8000 Hz hyper-polling rate for minimal input latency.
  • Hall Effect magnetic switches with 0.1-3.4 mm adjustable actuation.
  • Includes Rapid Trigger and PRCS SOCD gaming technologies.

Rules this board out

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

Get the

Redragon DHARMA K740 PRO

Wireless Versatility

If you want

  • Tri-mode connectivity with Bluetooth, 2.4GHz wireless, and USB-C wired.
  • Hot-swappable sockets compatible with most 3-pin and 5-pin switches.
  • Compact 98-key (90%) layout retains numpad in a smaller footprint.

Bottom line

Your primary need dictates the choice. For serious competitive gaming where every millisecond and precise actuation matters, the Redragon K556 HE is the clear option. If you need a single keyboard for work, play, and easy transport between devices, the Redragon K740 PRO's wireless modes, compact form, and hot-swap flexibility make it the more versatile daily driver. Both offer solid aluminum bases and PBT keycaps at a similar price point.

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 DHARMA K556 HE

Redragon DHARMA K740 PRO

  • Layout size

    100%

    90%

  • Hall effect (magnetic)

    Yes

    No

    Adjustable actuation helps in games and not in normal typing

  • Rapid trigger

    Yes

    No

    Faster resets help in games and not in normal typing

  • Connection

    Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

KeebFinder scores

How we score
  • Redragon DHARMA K556 HE
  • Redragon DHARMA K740 PRO
Performance
93
79
Build quality
57
63
Productivity
56
74
Customizability
45
67
Portability
42
52

What they share

  • Case material: Aluminum
  • Mount style: Bottom Mount
  • Keycaps: PBT
See every spec side by side

Best for

What will you mostly use it for?

The K740 PRO wins in most productivity and flexibility-focused categories due to its wireless options, compact layout, and hot-swap feature. The K556 HE is the definitive choice for competitive gaming where its high polling rate, Hall Effect switches, and Rapid Trigger provide a measurable edge. For stationary, gaming-first setups, the K556 HE excels, while the K740 PRO is better for shared workspaces, travel, or users who value customization.

For gaming

Pick the Redragon DHARMA K556 HE

  • Higher 8000 Hz polling rate versus 1000 Hz on the K740 PRO.
  • Hall Effect magnetic switches with adjustable actuation from 0.1-3.4 mm.
  • Includes Rapid Trigger technology for faster keypress reset.

Full specs

Redragon DHARMA K556 HE vs DHARMA K740 PRO specs

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

12 of 22 specs differ

Redragon DHARMA K556 HE

Redragon DHARMA K740 PRO

Typing & switches

Switch options

Magnetic
Linear

Hall effect (magnetic)

Yes
No

Rapid trigger

Yes
No

Hot-swappable

No
Yes

Mount style

Bottom Mount
Bottom Mount

Sound dampening

Yes
No

Layout

Layout size

100%
90%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

8,000 HzBetter
1,000 Hz

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum

Keycaps

PBT
PBT

Weight

1,130 g
1,150 g

Dimensions

—
42 x 378 x 129 mm

Backlight

RGB
RGB

Firmware & software

N-key rollover

No
Yes

Mac & Windows

No
Yes

Extras

Released

2025
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 DHARMA K556 HE vs DHARMA K740 PRO: your questions

The Redragon K556 HE is better for competitive FPS gaming. It has an 8000 Hz polling rate, Hall Effect switches with adjustable actuation down to 0.1mm, and Rapid Trigger technology. These features are specifically marketed for games requiring timing and precision, such as Valorant and CS:GO.

Yes, the Redragon K740 PRO supports tri-mode connectivity, including Bluetooth and 2.4GHz wireless. This allows you to connect it to a laptop without any cables, providing a clean setup and easy portability. A USB-C cable is included for wired charging or use.

Only the K740 PRO has hot-swappable sockets. Its vendor description states the socket is nearly all switches compatible. The K556 HE uses soldered Hall Effect switches which the manufacturer notes are incompatible with other brands' Hall Effect switches.

The K556 HE's Hall Effect switches use magnets and sensors, allowing for adjustable actuation points and features like Rapid Trigger. The K740 PRO uses standard linear Mint Mambo switches, which have a fixed actuation point and a smooth keystroke but lack software-adjustable sensitivity.

The Redragon K740 PRO is more compact. It uses a 90% layout with 98 keys, which is about 20% smaller than a standard full-size keyboard while keeping the numpad. The K556 HE is a full-size 104-key board, requiring more desk space.

Yes, both keyboards support software customization. The K556 HE offers both a PC client and web-based driver support. The K740 PRO is listed as software supported for creating macros and customizing lighting effects.

The K556 HE includes a keycap puller, detachable USB-C cable, user manual, and four spare switches. The K740 PRO includes a keycap and switch puller, USB-C cable, user manual, 2.4GHz receiver, a sticker, and four spare Mint Mambo switches.

Yes, but only on the Redragon K740 PRO. It features a multifunction control knob for adjusting volume, media playback, and backlight brightness. The K556 HE does not have a physical knob.

The K556 HE may be quieter as its vendor description specifically mentions 'Quiet Dual-Layer Dampening' foam inside the board. The K740 PRO's description highlights the sound of its linear switches but does not mention internal dampening materials.

Yes, both keyboards use standard ANSI layouts and have PBT keycaps, meaning most aftermarket keycap sets should be compatible. You would need a keycap puller, which is included in both boxes.

The vendor descriptions do not specify warranty length. However, the K556 HE's Hall Effect switches are claimed to have a lifespan 2x longer than traditional mechanical switches. The switches listed for the K740 PRO series are rated for 50 million keystrokes.

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