Teardown: Dell 1300W SiC Workstation Power Supply D1300EF-02
2026-08-17 · Compiled by Best IT Parts from public industry reporting
This teardown examines the Dell 1300W workstation power supply, model D1300EF-02, manufactured by Delta Electronics. The unit accepts 100-240V AC input and delivers up to 1300W of output, using silicon carbide (SiC) power devices to achieve high conversion efficiency in a workstation-class form factor. The article walks through the internal architecture — input filtering and surge protection, the PFC stage, SiC-based switching stage, DC/DC conversion modules, and digital control circuitry — along with thermal design, component selection, and build quality. For workstation and desktop PSU distributors, power adapter wholesalers, and B2B buyers tracking high-efficiency power platforms, the teardown offers a practical reference on premium PSU construction, SiC adoption, and the design choices that separate high-end workstation power supplies from mainstream units.
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Technical details are reproduced as reported. Verify specifications against the original source before design or procurement decisions.