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Head to head · Prices checked Oct 31, 2026

Ducky One 2 SF vs Royal Kludge RK6165% vs Wireless

Choose the Ducky One 2 SF for dedicated arrow keys and RGB, or the RK61 for wireless use and hot-swappable switches.

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Quick verdict

Which one should you get?

Get the

Ducky One 2 SF

65%

Build quality in the bottom 10% of 65% boards under $100.

If you want

  • 65% layout with dedicated arrow keys, delete, page up and page down keys.
  • RGB lighting and a listed 1000 Hz polling rate.
  • PBT keycaps, USB-C and multimedia keys.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
  • 65% layout. No function row and no numpad.

Get the

Royal Kludge RK61

Wireless

Build quality in the bottom 15% of 60% boards under $50.

If you want

  • Bluetooth, 2.4 GHz and wired connectivity.
  • Hot-swappable switches, with vendor-listed support for three-pin and five-pin switches.
  • Listed weight of 500 g and a 1450mAh battery.

Rules this board out

  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
  • Compact layout only. No function row, dedicated arrow keys, or numpad.

Bottom line

Choose the Ducky One 2 SF if you want dedicated arrow keys, RGB and a specified 1000 Hz polling rate in a wired 65% layout. Choose the RK61 if wireless connectivity, lower listed weight and hot-swappable switches matter more than dedicated navigation keys. Check the layout limitations before buying either compact board, especially if you rely on a function row or numpad.

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.

Ducky One 2 SF

Royal Kludge RK61

  • Layout size

    65%

    60%

  • Connection

    Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Switch options

    Clicky, Linear, Silent, Tactile

    Clicky, Linear, Tactile

  • Layout standard

    ANSI, ISO

    ANSI

    ISO and JIS exist so regional layouts fit

KeebFinder scores

How we score
  • Ducky One 2 SF
  • Royal Kludge RK61
Performance
68
56
Build quality
44
51
Productivity
54
69
Customizability
54
58
Portability
68
88
See every spec side by side

Best for

What will you mostly use it for?

The Ducky has the edge for gaming on the strength of its stated polling rate, and its extra navigation keys make it a more direct fit for programming. Office use is a close call: the Ducky provides dedicated arrows, while the RK61 offers wireless connections. The RK61 is the travel and switch-swapping pick thanks to its stated weight and hot-swap design. For a desk setup that benefits from RGB and dedicated media controls, the Ducky is the more fitting choice.

For gaming

Pick the Ducky One 2 SF

  • The Ducky One 2 SF lists a 1000 Hz polling rate.
  • It includes N-key rollover and RGB lighting.
  • The RK61 lists N-key rollover, but no polling-rate figure.

Full specs

Ducky One 2 SF vs Royal Kludge RK61 specs

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

8 of 22 specs differ

Ducky One 2 SF

Royal Kludge RK61

Typing & switches

Switch options

Clicky, Linear, Silent, Tactile
Clicky, Linear, Tactile

Hot-swappable

No
Yes

Mount style

Plate Mount
—

Layout

Layout size

65%
60%

Layout standard

ANSI, ISO
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz
—

Battery

Wired only
1,450 mAh

USB-C

Yes
Yes

Build & materials

Case material

Plastic
—

Plate material

Plastic
—

Keycaps

PBT
ABS, PBT

Weight

—
500 g

Dimensions

—
39 x 292 x 101 mm

Typing angle

—
8°

Backlight

RGB, north-facing
None

Firmware & software

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2023
2021

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Ducky One 2 SF

Listed on the product, not split by store: ISO.

Royal Kludge RK61

No ISO layout at the stores we track.

Where to buy

Compare prices

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

Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Lowest price across stores, Amazon excluded.

FAQ

Ducky One 2 SF vs Royal Kludge RK61: your questions

The Ducky One 2 SF is a wired 65% keyboard with RGB and dedicated arrow keys. The Royal Kludge RK61 is a 60% keyboard with Bluetooth, 2.4 GHz and wired connectivity, plus hot-swappable switches.

No, its listed connectivity is wired only. It has a USB-C connection, and the vendor description specifies a detachable USB-C cable.

Yes, the RK61 lists Bluetooth and 2.4 GHz wireless, as well as wired connectivity. Its specifications also list a 1450mAh battery.

The Ducky One 2 SF has dedicated arrow keys as part of its 65% layout. The RK61 is listed as lacking dedicated arrow keys, with arrow functionality assigned to a key combination in the vendor description.

Yes, the RK61 is listed as hot-swappable. Royal Kludge describes its PCB as supporting three-pin and five-pin switch replacement without soldering.

The Ducky One 2 SF has soldered switches, so replacing them requires soldering. In contrast, the RK61 is listed as hot-swappable.

The Ducky One 2 SF lists RGB lighting, and its vendor description identifies RGB LEDs. The RK61 specifications list no RGB, while its vendor page describes a single-color backlight.

The Ducky One 2 SF is the more direct fit if you want dedicated arrow keys and keys such as delete, page up and page down. The RK61 has a smaller 60% layout and no dedicated arrow keys.

The RK61 is listed at 500 g, making it the travel-oriented choice based on the listed weight. It also offers Bluetooth and 2.4 GHz wireless connections.

Both keyboards list Mac/Windows support. The RK61 vendor description also names iOS and Android, while the Ducky vendor description names Linux compatibility.

The Ducky One 2 SF has north-facing LEDs, and its compatibility rules warn that Cherry-profile keycaps can contact the switch housing. Check keycap compatibility before replacing the stock keycaps.

Neither compact layout includes a numpad or function row according to their compatibility rules. The RK61 also lacks dedicated arrow keys, while the Ducky One 2 SF includes them.

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