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.
Amazon $459$459
The Siglent SPD3303X-E rates 3.6 among multi-output bench power supplys; the B&K Precision 1696B rates 2.8 among single output ones. The Siglent SPD3303X-E costs $36.10 less ($459 vs $495.10).
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.
B&K Precision 1696B
#15 in Single outputFull review
A programmable 20 V supply for production and test rigs that chain several units on RS485.
Amazon $495.10$495.10
Scores side by side
These two sit in different type classes (multi-output and single output), 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 | Siglent SPD3303X-E | B&K Precision 1696B |
|---|---|---|
| Overall rating | 3.6/5 | 2.8/5 |
| Value 25% | 25 $2.09 per watt ($459, 220 W rated) | 20 $2.48 per watt ($495.10, 200 W rated) |
| Output quality 20% | 96 0.3 mVrms ripple and noise | 29 6 mVrms ripple and noise |
| Resolution 15% | 25 10 mV / 10 mA setting resolution | 0 100 mV / 10 mA setting resolution |
| PC control 15% | 100 USB, LAN with SCPI | 80 USB, RS485 with SCPI |
| Protection & features 10% | 20 stored setups | 80 over-voltage protection, over-current protection, stored setups |
| Warranty 15% | 100 3-year warranty | 50 2-year warranty |
Specifications
| Siglent SPD3303X-E | B&K Precision 1696B | |
|---|---|---|
| Output | ||
| Type | Power supply | Power supply |
| Regulation | Linear | - |
| Channels | 3 | 1 |
| Channel ratings | 32 V/3.2 A, 32 V/3.2 A, 2.5/3.3/5 V/3.2 A | 1-20 V/10 A |
| Max voltage | 32 V | 20 V |
| Max current | 3.2 A | 10 A |
| Rated power | 220 W | 200 W |
| Ripple and noise | 0.3 mVrms | 6 mVrms / 30 mVp-p |
| Precision | ||
| Setting resolution | 10 mV / 10 mA | 100 mV / 10 mA |
| Readback resolution | 10 mV / 10 mA | 10 mV / 1 mA |
| Control | ||
| PC interfaces | USB, LAN | USB, RS485 |
| SCPI | Yes | Yes |
| Stored setups | 5 | 10 |
| Over-voltage protection | - | Yes |
| Over-current protection | - | Yes |
| Build | ||
| Weight | 17.6 lb | 6.6 lb |
| Warranty | 3 years | 2 years |