Rigol DP932E
#2 in Multi-outputFull review
A newer Rigol triple-output linear supply with isolated channels and LAN built in, for labs that script tests.
Amazon $499$499
30 V / 3 A198 W3
3.5/5
A four-channel programmable supply for labs that need many precise rails and automated tests in one unit.
- 32 V / 3 AOutput
- 212 W (channels added)Power
- USB, RS232, LANPC control
Check price at Amazon$897.86
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Four outputs, so one box powers every rail
- Very fine 1 mV and 0.1 mA setting steps
- USB, RS232 and LAN with SCPI commands
- The main channels can also act as small electronic loads
Cons
- The most expensive supply here
- No published warranty
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | GPP-4323 (LAN) |
|---|---|
| Output | |
| Type | Power supply |
| Channels | 4 |
| Channel ratings | 32 V/3 A, 32 V/3 A, 5 V/1 A, 15 V/1 A |
| Max voltage | 32 V |
| Max current | 3 A |
| Rated power | 212 W (channels added) |
| Ripple and noise | 0.3 mVrms |
| Precision | |
| Setting resolution | 1 mV / 0.1 mA |
| Readback resolution | 0.1 mV / 0.1 mA |
| Control | |
| PC interfaces | USB, RS232, LAN |
| SCPI | Yes |
| Stored setups | 10 |
| Over-voltage protection | Yes |
| Over-current protection | Yes |
| Build | |
| Weight | 16.5 lb |
Alternatives in this type
Siglent SPD3303X-E
#3 in Multi-outputFull review
A quiet triple-output linear supply for electronics labs that power analog and logic rails at once.
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32 V / 3.2 A220 W3
Siglent SPD3303C
#5 in Multi-outputFull review
The lower-cost triple-output Siglent, for benches that want three linear rails and USB control.
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