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Siglent SPD3303X-E review

A professional triple-output supply with two 32 V, 3.2 A channels, a selectable fixed output, independent, series or parallel modes and a timer.

Three rails

Op amps and logic often need several voltages.

Modes

Series doubles voltage; parallel doubles current.

Is it for you?

Only for serious lab work.

Where it earns its place, and where it falls short

Strengths

  • Three isolated outputs
  • Series and parallel
  • Known test brand

Compromises

  • Costs more than most hobby supplies combined
  • Heavy
  • More than most need

Specifications

Outputs2 × 32 V, 3.2 A; 1 × 2.5/3.3/5 V, 3.2 A
Total power220 W
ModesIndependent, series, parallel
FeaturesTiming output, trend graphs
Weight17.6 lb
Amazon ASINB01410O424

Questions makers ask before buying

How many outputs?

Three, isolated.

What modes?

Independent, series and parallel.

Our score

8.3/ 10

The professional choice here.

What use this one answers, among workshop machines

An engineer powering mixed-voltage designs.

Sources

Specifications: the manufacturer sheet for maker machines and tools and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.

What we judge these workshop machines on

A price quoted in the text of a MakerVerdict page dates from the day that page was written; the live figure beside each product is fetched while you read and replaces it.