GW Instek GPP-4323
#4 in Multi-outputFull review
A four-channel programmable supply for labs that need many precise rails and automated tests in one unit.
Amazon $897.86$897.86
The GW Instek GPP-4323 rates 3.5 among multi-output bench power supplys; the Korad KEL2010 rates 3.5 among electronic loads ones. The Korad KEL2010 costs $372.86 less ($525 vs $897.86).
Prices were last checked November 11, 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 KEL2010
A 300 W programmable load with fine low-range resolution, for battery and supply testing past 200 W.
Amazon $525$525
Scores side by side
These two sit in different type classes (multi-output and electronic loads), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | GW Instek GPP-4323 | Korad KEL2010 |
|---|---|---|
| Overall rating | 3.5/5 | 3.5/5 |
| Value 25% | 5 $4.24 per watt ($897.86, 212 W from the channel ratings) | 30 $1.75 per watt ($525, 300 W rated) |
| Output quality 20% | 96 0.3 mVrms ripple and noise | 68 10 kHz dynamic mode |
| Resolution 15% | 100 1 mV / 0.1 mA setting resolution | 100 0.1 mV / 0.1 mA setting resolution |
| PC control 15% | 100 USB, RS232, LAN with SCPI | 70 USB, RS232, LAN |
| Protection & features 10% | 80 over-voltage protection, over-current protection, stored setups | 100 over-voltage protection, over-current protection, remote sense, stored setups |
| Warranty 15% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| GW Instek GPP-4323 | Korad KEL2010 | |
|---|---|---|
| Output | ||
| Type | Power supply | Electronic load |
| Channels | 4 | 1 |
| Channel ratings | 32 V/3 A, 32 V/3 A, 5 V/1 A, 15 V/1 A | 150 V/40 A, 300 W |
| Max voltage | 32 V | 150 V |
| Max current | 3 A | 40 A |
| Rated power | 212 W (channels added) | 300 W |
| Ripple and noise | 0.3 mVrms | - |
| Dynamic mode | - | 10 kHz |
| Load modes | - | CC, CV, CR, CP |
| Precision | ||
| Setting resolution | 1 mV / 0.1 mA | 0.1 mV / 0.1 mA |
| Readback resolution | 0.1 mV / 0.1 mA | 0.1 mV / 0.1 mA |
| Remote sense | - | Yes |
| Control | ||
| PC interfaces | USB, RS232, LAN | USB, RS232, LAN |
| SCPI | Yes | - |
| Stored setups | 10 | 100 |
| Over-voltage protection | Yes | Yes |
| Over-current protection | Yes | Yes |
| Build | ||
| Weight | 16.5 lb | - |