Redragon DHARMA K740 PRO vs EISA K686 HEWireless vs Gaming Specs
Choose the Dharma K740 Pro for wireless flexibility and hot-swap modding, or the Eisa K686 HE for maximum wired gaming performance with Hall effect switches.
Which one should you get?
Get the
Redragon DHARMA K740 PRO
Wireless
- Tri-mode connectivity with Bluetooth, 2.4 GHz wireless, and USB-C wired.
- Hot-swappable socket compatible with most 3-pin and 5-pin switches.
- Solid aluminum case base for a premium feel.
- Lower 1000 Hz polling rate compared to the Eisa K686 HE.
- Lacks advanced gaming features like rapid trigger or adjustable Hall effect switches.
- No mention of dedicated sound dampening foam in its construction.
Get the
Redragon EISA K686 HE
Gaming Specs
- 8000 Hz hyper-polling rate for minimal input latency.
- Hall effect magnetic switches with 0.1-3.4mm adjustable actuation.
- Includes rapid trigger technology for competitive gaming.
- Wired-only connectivity, with no wireless option.
- Switches are not hot-swappable; the vendor lists it as 'Redragon Exclusive, not cross-compatible'.
- Plastic case construction, which may feel less premium than aluminum.
Your primary need dictates the choice. If you require a single, stationary setup for high-level gaming where every millisecond counts, the Eisa K686 HE's superior specs are compelling. For a more flexible daily driver that can move between devices wirelessly and allows for easy switch customization, the Dharma K740 Pro is the more practical and versatile option.
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 K740 PRO
Redragon EISA K686 HE
Hall effect (magnetic)
No
Yes
Rapid trigger
No
Yes
Connection
Bluetooth, 2.4 GHz, Wired
Wired
Hot-swappable
Yes
No
Max polling rate
1,000 Hz
8,000 Hz
- Redragon DHARMA K740 PRO
- Redragon EISA K686 HE
- Performance
- 7998
- Build quality
- 6457
- Productivity
- 7462
- Customizability
- 6748
- Portability
- 5241
- Layout size: 90%
- Knob
- Keycaps: PBT
What will you mostly use it for?
The Eisa K686 HE is the clear choice for competitive gaming due to its high polling rate and Hall effect features. For office work, programming, travel, and modding, the Dharma K740 Pro's wireless options and hot-swap capability provide more versatility. Content creators will find both keyboards equally capable with their shared media knob and RGB lighting.
Pick the Redragon EISA K686 HE
- The Eisa K686 HE has an 8000 Hz polling rate for lower latency.
- It features Hall effect magnetic switches with adjustable actuation from 0.1-3.4mm.
- It includes dedicated rapid trigger technology for faster key resets.
Redragon DHARMA K740 PRO vs EISA K686 HE specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
12 of 22 specs differ
Redragon DHARMA K740 PRO
Redragon EISA K686 HE
Switch options
Hall effect (magnetic)
Rapid trigger
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Knob
Display
Connection
Max polling rate
USB-C
Case material
Keycaps
Weight
Dimensions
Backlight
N-key rollover
Mac & Windows
Released
Compare prices
Live prices from the stores we track, cheapest in-stock offer first.
Lowest price across stores, Amazon excluded.
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.
Redragon DHARMA K740 PRO vs EISA K686 HE: your questions
The Redragon Dharma K740 Pro is designed for wireless use. It supports tri-mode connectivity, including Bluetooth, 2.4 GHz wireless, and a USB-C wired connection. The Eisa K686 HE is a wired-only keyboard.
No, the Eisa K686 HE does not have hot-swappable switches. The vendor description explicitly states it is 'not cross-compatible' and is a Redragon exclusive design. The Dharma K740 Pro is the model with a hot-swap socket.
Rapid trigger is a gaming feature that allows for dynamic activation and deactivation of keys. When combined with the Hall effect magnetic switches, it enables ultra-fast key resets, which is beneficial for games requiring rapid, repeated key presses.
The Redragon Eisa K686 HE has a significantly higher polling rate of 8000 Hz. The Redragon Dharma K740 Pro has a standard 1000 Hz polling rate. A higher polling rate can reduce input latency.
Both keyboards use PBT plastic keycaps, which are resistant to wear and shine. The Dharma K740 Pro uses 'Round PBT Keycaps', while the Eisa K686 HE uses 'MOA Profile' PBT keycaps, which may have a slightly different shape.
The Dharma K740 Pro is generally more suitable for office work due to its wireless connectivity options, which reduce cable clutter. Its vendor description also lists its linear switches as suitable for office and gaming use.
The Dharma K740 Pro uses pre-installed Linear Mint Mambo mechanical switches. The Eisa K686 HE uses next-generation UltraMag Hall effect magnetic switches, which work on a different principle without physical metal contacts.
Yes, both the Redragon Dharma K740 Pro and the Eisa K686 HE feature a dedicated multi-function control knob. This knob can adjust volume, media playback, and RGB brightness.
The Eisa K686 HE is specifically advertised with five-layer noise dampening, including 3.5mm PORON foam and bottom case foam. The Dharma K740 Pro's vendor description does not highlight dedicated sound-dampening layers.
You can adjust the actuation point on the Eisa K686 HE. Its Hall effect switches allow software adjustment of the actuation point between 0.1mm and 3.4mm. The Dharma K740 Pro's linear mechanical switches have a fixed actuation point.
The Dharma K740 Pro includes the keyboard, a USB-C cable, a 2.4 GHz receiver, a keycap & switch puller, four spare Mint Mambo switches, a user manual, and a sticker. The Eisa K686 HE includes the keyboard, a detachable USB-C cable, a keycap puller, four spare magnetic switches, a user manual, and a sticker.
Yes, both keyboards support software for customization. The Dharma K740 Pro has dedicated software for macros and lighting. The Eisa K686 HE supports a web-based driver in addition to standard software, allowing access from different operating systems via a browser.
Not sold on either?
Still torn?
Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.