Upgrade 240W Power Supply for Dell Inspiron 3650 3656 Optiplex 3040 5040 7040 SFF HU240AM-00 AC240EM-00 L240NM-00 P/N: THRJK 04GTN5 4GTN5 H62JR 2P1RD AC240NM-00 B240NM-00 H62JR 3RK5T HU240NM-00 (8+4p)

LXun

LXun Upgrade 240W Power Supply

Name: Upgrade 240W Power Supply for Dell Inspiron 3650 3656 Optiplex 3040 5040 7040 SFF HU240AM-00 AC240EM-00 L240NM-00 P/N: THRJK 04GTN5 4GTN5 H62JR 2P1RD
Brand: LXun
SKU: B07FQ3QJ7M

Status: Upgrade 240W Power Supply for Dell Inspiron 3650…: Unavailable on Amazon as of 2026-10-07 04:19 UTC. SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

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Bottom line: The LXun Upgrade 240W Power Supply: Direct 240W replacement for Dell Optiplex 3040/5040/7040 SFF and Inspiron 3650/3656; main trade-off: SFF connectors only; won't fit mini-tower or full-ATX Dell cases.

Unavailable on Amazon as of 2026-10-07 04:19 UTC

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Currently unavailable on Amazon. Not the same product — an in-stock alternative:

Similar: S-Union Upgraded New 240W Power Supply Unit… — $25.42 on Amazon as of 2026-10-07 04:31 UTC (price may vary).

View Current Price — $25.42

Original listing (currently unavailable) → Compare to similar power supplies

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-07

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. About the author →

Pros & Cons

Pros

✓ Direct 240W replacement for Dell Optiplex 3040/5040/7040 SFF and Inspiron 3650/3656
✓ Matches 30+ Dell part numbers including THRJK, 4GTN5 and H62JR
✓ 8-pin plus 4-pin SFF connectors mirror Dell's factory PSU layout
✓ 365-day warranty with full refund or replacement option

Cons

✗ SFF connectors only; won't fit mini-tower or full-ATX Dell cases
✗ 240W ceiling leaves no headroom for added GPUs or extra drives
✗ Input rated 100-127V only, not for 220-240V regions
✗ Aftermarket LXun unit, not a genuine Dell OEM part

SpecPicks Verdict

SpecPicks scored LXun Upgrade 240W Power Supply using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. LXun's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

【Upgraded 240W THRJK SFF Power Supply for Dell Compatible Model】: For Dell Optiplex 3040 SFF Dell Optiplex 3650 SFF Dell Optiplex 3656 SFF Dell Optiplex 5040 SFF Dell Optiplex 7040 SFF Dell Optiplex 3046 SFF Dell Optiplex 3250 SFF.
【Power Supply for Dell Inspiron & Optiplex Compatible Part Number】: THRJK 4GTN5 4R1KT D7GX8 HGRMH 2P1RD H62JR 3RK5T 6WX7D 0M1C3 J1J77 RKTF0 20WFG 0THRJK 04GTN5 RWMNY 5XV5K RKTFO GYC55 9YN07 07F9T 9XD51 25KG6 D3YCN 0M2WH NYX5D DHVJN 0G2JM 0TRD3 379F0 W72XN 66P44 WYX72.
【HU240AM-00 for Dell Power Supply Compatible Model Number】: HU240AM-00 AC240EM-00 L180ES-00 L180AS-00 HU180AS-00 H180AS-01 H240EM-03 D180ES-00 B180AS-00 HU180ES-00 H180NS-00 H180AS-00 H240EM-00 H240AM-02 L240AM-00 L240AM-01 L240EM-00 B240AM-00 B240NM-00 B240EM-00 B240NM-00 AC240AM-00 D240EM-00 HU180ES-01 F180ES-00.
【Connectors】: P1 - 8-Pin SFF Power/P2 - 4-Pin SFF Power. Input: 100-127V~/7. 0A Max Output Power: 240W.
【LXun Warranty For Dell Power Supply】: 365 Days Warranty. For any reason you're not completely satisfied with the product, you can ask for a replacement or full money back.

Full Specifications

Brand	LXun
Wattage	240 watts
Model Name	HU240AM-00 Dell Power Supply
Form Factor	SFX
Model Number	L240EM-00
Connector Type	8+4pin
Cooling Method	Air
Item Type Name	THRJK Power Supply
Output Wattage	240 watts
Mfr Part Number	THRJK 4GTN5 D7GX8 HGRMH 2P1RD H62JR
Connector Quantity	2
Power Supply Design	Full Modular
Number of Connectors	2
Warranty Description	1
Maximum Input Voltage	127 volts_of_alternating_current
Minimum Input Voltage	100 volts
System Bus Connector Type	8+4pin
Connector Type Used on Cable	8+4pin
Full listing title	Upgrade 240W Power Supply for Dell Inspiron 3650 3656 Optiplex 3040 5040 7040 SFF HU240AM-00 AC240EM-00 L240NM-00 P/N: THRJK 04GTN5 4GTN5 H62JR 2P1RD AC240NM-00 B240NM-00 H62JR 3RK5T HU240NM-00 (8+4p)

Ready to buy?

Amazon shows no buyable offer for Upgrade 240W Power Supply for Dell Inspiron 3650… at the last check. A similar in-stock product is S-Union Upgraded New 240W Power Supply Unit…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $25.42