Korad KD6005D
#11 in Single outputFull review
A 60 V linear supply for people who need more voltage than a 30 V bench unit without the noise of a switcher.
Amazon $204.99$204.99
The Korad KD6005D and the Riden RD6018 are evenly matched, rated 2.9 and 2.9. The Korad KD6005D leads on output quality and resolution. The Riden RD6018 wins on PC control and value. The Korad KD6005D costs $64.01 less ($204.99 vs $269).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Riden RD6018
#13 in Single outputFull review
A high-power buck-converter supply for battery charging, motors and LED work where watts per dollar matter more than clean output.
Amazon $269$269
Which should you buy?
- Choose the Korad KD6005D for output quality (1 mVrms ripple and noise vs 250 mVp-p ripple and noise (no rms figure)) and resolution (10 mV / 1 mA setting resolution vs 10 mV / 10 mA setting resolution).
- Choose the Riden RD6018 for PC control (USB vs no PC interface) and value ($0.25 per watt ($269, 1,080 W rated) vs $0.68 per watt ($204.99, 300 W from the channel ratings)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every single output bench power supply; a clear win is highlighted. How we rank explains each one.
| Factor weight | Korad KD6005D | Riden RD6018 |
|---|---|---|
| Overall rating | 2.9/5 | 2.9/5 |
| Value 25% | 57 $0.68 per watt ($204.99, 300 W from the channel ratings) | 86 $0.25 per watt ($269, 1,080 W rated) |
| Output quality 20% | 71 1 mVrms ripple and noise | 0 250 mVp-p ripple and noise (no rms figure) |
| Resolution 15% | 50 10 mV / 1 mA setting resolution | 25 10 mV / 10 mA setting resolution |
| PC control 15% | 0 no PC interface | 50 USB |
| Protection & features 10% | 50 protection and features not published (neutral score used) | 80 over-voltage protection, over-current protection, stored setups |
| Warranty 15% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Korad KD6005D | Riden RD6018 | |
|---|---|---|
| Output | ||
| Type | Power supply | Power supply |
| Regulation | Linear | Switching |
| Channels | 1 | 1 |
| Channel ratings | 60 V/5 A | 60 V/18 A |
| Max voltage | 60 V | 60 V |
| Max current | 5 A | 18 A |
| Rated power | 300 W (channels added) | 1,080 W |
| Ripple and noise | 1 mVrms | 250 mVp-p |
| Precision | ||
| Setting resolution | 10 mV / 1 mA | 10 mV / 10 mA |
| Readback resolution | 10 mV / 1 mA | 10 mV / 10 mA |
| Control | ||
| PC interfaces | None | USB |
| Stored setups | - | 10 |
| Over-voltage protection | - | Yes |
| Over-current protection | - | Yes |
| Build | ||
| Weight | 17.4 lb | - |
| Released | - | 2020-09-24 |