Korad KA3005P
#9 in Single outputFull review
A low-cost programmable linear supply for hobby and repair benches that want PC control on a budget.
Amazon $155$155
The Korad KA3005P is the better bench power supply overall, rated 3.0 to 2.8. The Korad KA3005P leads on PC control. The Korad KD3005D wins on value. The Korad KD3005D costs $45.01 less ($109.99 vs $155).
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.
Korad KD3005D
#17 in Single outputFull review
A basic linear 30 V, 5 A bench supply for hobby electronics when PC control is not needed.
Amazon $109.99$109.99
Which should you buy?
- Choose the Korad KA3005P for PC control (USB, RS232 vs no PC interface).
- Choose the Korad KD3005D for value ($0.73 per watt ($109.99, 150 W from the channel ratings) vs $1.03 per watt ($155, 150 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 KA3005P | Korad KD3005D |
|---|---|---|
| Overall rating | 3.0/5 | 2.8/5 |
| Value 25% | 45 $1.03 per watt ($155, 150 W from the channel ratings) | 55 $0.73 per watt ($109.99, 150 W from the channel ratings) |
| Output quality 20% | 55 2 mVrms ripple and noise | 55 2 mVrms ripple and noise |
| Resolution 15% | 50 10 mV / 1 mA setting resolution | 50 10 mV / 1 mA setting resolution |
| PC control 15% | 50 USB, RS232 | 0 no PC interface |
| Protection & features 10% | 60 over-voltage protection, over-current protection | 50 protection and features not published (neutral score used) |
| Warranty 15% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Korad KA3005P | Korad KD3005D | |
|---|---|---|
| Output | ||
| Type | Power supply | Power supply |
| Regulation | Linear | Linear |
| Channels | 1 | 1 |
| Channel ratings | 30 V/5 A | 30 V/5 A |
| Max voltage | 30 V | 30 V |
| Max current | 5 A | 5 A |
| Rated power | 150 W (channels added) | 150 W (channels added) |
| Ripple and noise | 2 mVrms | 2 mVrms |
| Precision | ||
| Setting resolution | 10 mV / 1 mA | 10 mV / 1 mA |
| Readback resolution | 10 mV / 1 mA | 10 mV / 1 mA |
| Control | ||
| PC interfaces | USB, RS232 | None |
| Over-voltage protection | Yes | - |
| Over-current protection | Yes | - |
| Build | ||
| Weight | 10.6 lb | 9.4 lb |