S-Union

S-Union Upgraded New 240W Power Supply Unit Compatible with Dell OptiPlex 790 7010 390 960 990 3010 9010 SFF H240AS-00 H240AS-01 H240ES-00 D240ES-00 AC240ES-00 L240AS-00 PH3C2

Name: S-Union Upgraded New 240W Power Supply Unit Compatible with Dell OptiPlex 790 7010 390 960 990 3010 9010 SFF H240AS-00 H240AS-01 H240ES-00 D240ES-00
Brand: S-Union
SKU: B0183MPUOC
Price: 29.99 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$29.99

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View Current Price on Amazon → Compare to similar power supplies

*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.

Bottom line: The S-Union Upgraded New 240W Power Supply Unit Compatible with Dell OptiPlex 790 7010 390 960 990 3010 9010 SFF H240AS-00 H240AS-01 H240ES-00 D240ES-00 AC240ES-00 L240AS-00 PH3C2 is a niche pick — read recent reviews before buying in the power supplies category, priced around $29.99. Compare close alternatives before committing.

SpecPicks Verdict

SpecPicks scored S-Union Upgraded New 240W Power Supply Unit Compatible with Dell… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the power supplies category. S-Union's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

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 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.

Pros & Cons

Pros

✓ Backed by S-Union's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed 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. Please check the Model Number before purchasing.
✅ 【Quality】 All Power Supply Are Tested Before Shipping. Each unit H240AS-00 240W Power Supply is tested by high and low voltage test, aging test, load test (power, voltage, current), short circuit protection test and automatic detection of professional equipment. This ensures maximum reliability and safety.
✅【What You Get】A Desktop Power Supply Unit (240W). Note: P1 Cable is about 3'' long, not 12.5''
✅【Excellent After-sale Service】We provide 18-month warranty and guarantee you the best service. If you have any questions,Please contact us by email, if the there is any problem in the product, damaged or not fit,S-Union provide full after-sales service and will try our best to solve the problem.Customer satisfaction is our tireless pursuit.No risk shopping.Buy with confidence.

Full Specifications

Brand	S-Union
Wattage	240 watts
Model Name	H240AS-00 240W Power Supply
Form Factor	SFX
Model Number	H240AS-00, H240AS-01,H240ES-00
Connector Type	24_pin_atx, 4_pin_atx, SATA
Cooling Method	Passive (heat sink)
Number of Fans	1
Output Wattage	240 watts
Mfr Part Number	3YKG5
Compatible Devices	Personal Computer
Warranty Description	18 months worry-free warranty
Maximum Input Voltage	240 volts
Minimum Input Voltage	100 volts
System Bus Connector Type	24 Pin
Connector Type Used on Cable	24_pin_atx, 4_pin_atx, SATA

Ready to buy?

S-Union Upgraded New 240W Power Supply Unit Compatible with Dell OptiPlex 790 7010 390 960 990 3010 9010 SFF H240AS-00 H240AS-01 H240ES-00 D240ES-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.

View Current Price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.