Siglent Technologies SPD3303X-E Triple Output Power Supply
Bottom line: The Siglent Technologies SPD3303X-E Triple Output Power Supply: Three isolated outputs: dual 32V/3.2A plus a fixed 2.5V/3.3V/5V rail; main trade-off: linear design caps total output at 220W.
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Pros & Cons
Pros
- ✓ Three isolated outputs: dual 32V/3.2A plus a fixed 2.5V/3.3V/5V rail
- ✓ 220W total power shared across all three channels
- ✓ Fine 10mV/10mA voltage and current resolution
- ✓ Independent, series, and parallel output modes
- ✓ SCPI commands, LabVIEW driver, and Easy Power PC software
Cons
- ✗ Linear design caps total output at 220W
- ✗ Third channel fixed to 5V/3.3V/2.5V at 3.2A max
- ✗ No single channel above 3.2A output
- ✗ Fan audible under sustained heavy load
Manufacturer description
The Siglent SPD3303X-E Power Supply contains three independent power supplies in one unit. As a true linear supply, output noise and regulation are excellent. With its intelligent temperature-controlled fan, noise is reduced. Voltage resolution is 10mV / 10mA. The SPD3303X-E Power Supply comes with Easy Power PC software, supports SCPI commands and like all Siglent instruments, has an available LabVIEW driver.
SpecPicks Verdict
SpecPicks scored Siglent Technologies SPD3303X-E Triple Output Power Supply using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Siglent's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- 3 Independent Controlled And Isolated Outputs
- 32V/3. 2A X 2, 2. 5V/3. 3V/5V/3. 2A X 1, Total Power: 220W
- Output Modes: Independent, Series, Parallel
- Timing Output Function.Trending Graphs
Full Specifications
| Brand | Siglent |
|---|---|
| Wattage | 220 watts |
| Model Name | SPD3303X-E |
| Unit Count | 1 Count |
| Form Factor | Tower |
| Model Number | SPD3303X-E |
| Output Modes | Independent, Series, Parallel |
| Built-In Media | Standard configuration |
| Connector Type | usb |
| Cooling Method | Air |
| Number of Fans | 1 |
| Output Wattage | 220 |
| Item Dimensions | 16 x 14 x 11 inches |
| Mfr Part Number | SPD3303X-E |
| Compatible Devices | Personal Computer |
| Connector Quantity | 1 |
| Power Supply Design | Linear |
| Warranty Description | 3 year |
| Maximum Input Voltage | 230 volts |
| Minimum Input Voltage | 100 volts |
Ready to buy?
Siglent Technologies SPD3303X-E Triple Output Power Supply is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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