240W Power Supply Unit Replacement for Dell OptiPlex 390 790 960 990 3010 9010 Small Form Factor System SFF H240AS-00 H240AS-01 H240ES-00 D240ES-00 AC240AS-00 AC240ES-00 L240AS-00 PH3C2

SpecPicks Verdict

SpecPicks classifies S-Union 240W Power Supply Unit Replacement for Dell OptiPlex 390 790… as a niche pick — read recent reviews before buying in the power protection category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. S-Union's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for power protection 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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Key Features

• ✅【Compatible Model 】Compatible with Dell OptiPlex 7010 3010 9010 390 790 960 990 SFF Small Form Factor Systems Only（Note:This Power Supply does not work for Dell Mt Mini Tower Systems,DT Desktop System, USFF Ultra Small Form Factor Systems)
• ✅【Compatible Part Number】This dell optiplex 790 power supply is Compatible with 3WN11 709MT 592JG 66VFV CCCVC RV1C4 J50TW 2TXYM
• ✅【Compatible Model Number】This optiplex 7010 power supply is compatiable with H240AS-00, H240AS-01,H240ES-00, H240ES-01,AC240AS-00, AC240AS-01,L240AS-00, L240AS-01,AC240ES-00,AC240ES-01, D240ES-00, D240ES-01, DPS-240WB
• ✅ 【Quality】 All Power Supply Are Tested Before Shipping. And we supply 18 months worry-free warranty. For any reasons you're not completely satisfied, you can ask for a replacement or full_ refund..
• ✅【What You Get】A Desktop Power Supply Unit (240W). Note: P1 Cable is about 3'' long, not 12.5''

Full Specifications

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S-Union 240W Power Supply Unit Replacement for Dell OptiPlex 390 790 960 990 3010 9010 Small Form Factor System SFF H240AS-00 H240AS-01 H240ES-00 D240ES-00 AC240AS-00 AC240ES-00 L240AS-00 PH3C2 is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.