S-Union

Upgraded H240AS-00 H240AS-01 L240AS-00 240W Power Supply Compatible with Dell Optiplex 7010 790 990 390 960 3010 9010 SFF AC240AS-00 D240ES-00 H240AS-00 2TXYM 3WN11 CCCVC Optiplex 990 Power Supply

Name: Upgraded H240AS-00 H240AS-01 L240AS-00 240W Power Supply Compatible with Dell Optiplex 7010 790 990 390 960 3010 9010 SFF AC240AS-00 D240ES-00
Brand: S-Union
SKU: B0719DRZMJ
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 Upgraded H240AS-00 H240AS-01 L240AS-00 240W Power Supply Compatible with Dell Optiplex 7010 790 990 390 960 3010 9010 SFF AC240AS-00 D240ES-00 H240AS-00 2TXYM 3WN11 CCCVC Optiplex 990 Power Supply 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 Upgraded H240AS-00 H240AS-01 L240AS-00 240W Power Supply Compatible… 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

✅【H240AS-00 240W PSU Compatible Model 】H240AS-00 L240AS-00 H240AS-01 240W power supply 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).Please check the system model before order.
✅【H240AS-00 H240AS-01 240W Power Supply Compatible Part Number】This dell optiplex 790 power supply is Compatible with 3WN11 709MT 592JG 66VFV CCCVC RV1C4 J50TW 2TXYM
✅【L240AS-00 240W PSU Compatible Model Number】H240AS-00 240W 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 240W power supply replacement.Note: Please carefully check whether the power supply is suitable before purchasing, so as not to bring you an unpleasant shopping experience.
✅【H240AS-01 H240AS-00 240W Power Supply Input & Output】100-240V~/4A, 50-60Hz, DC Output: Max Output 240W. Connector: 24Pin+4Pin+SATA+SATA+2-Pin Slim Line SATA. The H240AS-00 3WN11 240W Power Supply is 100% Brand New, each item has been tested and in good condition before shipping.Each unit ac240as-00 2txym 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.
✅【Excellent After-sale Service】We provide 18-month warranty and guarantee you the best service.No risk shopping.Buy with confidence. If you have any questions,Please contact us by email, if the there is any problem in the H240AS-00 3WN11 240W Power Supply 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.Package includes: 1x H240AS-00 240W power supply. Note: P1 Cable is about 3'' long, not 12.5''

Full Specifications

Brand	S-Union
Wattage	240 watts
Model Name	H240AS-00 240W Power Supply
Unit Count	1 Count
Form Factor	ATX
Model Number	H240AS-00 H240AS-01 AC240AS-00 3WN11
Connector Type	24Pin+4Pin+SATA+SATA+2-Pin Slim Line SATA
Cooling Method	Air
Number of Fans	1
Output Wattage	240 watts
Item Dimensions	9.9 x 3.6 x 4.4 inches
Mfr Part Number	H240ES-00 D240ES-00
Compatible Devices	H240AS-00 240W power supply compatible with Dell OptiPlex 7010 3010 9010 390 790 960 990 SFF Small Form Factor Systems Only
Connector Quantity	5
Power Supply Design	Non-Modular
Warranty Description	18 months worry-free warranty
Maximum Input Voltage	240 volts_of_alternating_current
Minimum Input Voltage	100 volts_of_alternating_current
Item dimensions L x W x H	9.9 x 3.6 x 4.4 inches
System Bus Connector Type	2 Pin

Ready to buy?

Upgraded H240AS-00 H240AS-01 L240AS-00 240W Power Supply Compatible with Dell Optiplex 7010 790 990 390 960 3010 9010 SFF AC240AS-00 D240ES-00 H240AS-00 2TXYM 3WN11 CCCVC Optiplex 990 Power Supply 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.