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Dell NT1XP OptiPlex 3020 9020 SFF 255w Power Supply L255AS-00 PS-3261-2DF
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Dell NT1XP OptiPlex 3020 9020 SFF 255w Power Supply L255AS-00 PS-3261-2DF

Status: Dell NT1XP OptiPlex 3020 9020 SFF 255w Power…: Unavailable on Amazon as of . 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 Dell NT1XP OptiPlex 3020 9020 SFF 255w Power Supply PS-3261-2DF: Genuine Dell part numbers NT1XP / L255AS-00 / PS-3261-2DF for exact SFF fitment; main trade-off: 255W ceiling leaves no headroom for a discrete GPU upgrade.

Unavailable on Amazon as of

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Currently unavailable on Amazon. Not the same product — 2 in-stock alternatives:

Similar: NT1XP YH9D7 255W L255AS-00 PS-3261-2DF… — $35.99 on Amazon as of 2026-10-06 22:24 UTC (price may vary).

View Current Price — $35.99

Similar: ATX 24-Pin to ATX 8-Pin Power Supply Adapter… — $9.59 on Amazon as of 2026-10-06 16:20 UTC (price may vary).

View Current Price — $9.59
Original listing (currently unavailable) → Compare to similar power supplies

By , Founder & Editor-in-Chief · Listing data updated

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.

Pros & Cons

Pros

  • ✓ Genuine Dell part numbers NT1XP / L255AS-00 / PS-3261-2DF for exact SFF fitment
  • ✓ 255W output matched to OptiPlex 3020 SFF and 9020 SFF stock power budgets
  • ✓ Also fits Precision T1700 SFF, covering three chassis with one spare

Cons

  • ✗ 255W ceiling leaves no headroom for a discrete GPU upgrade
  • ✗ Proprietary Dell SFF form factor will not fit standard ATX or mini-tower cases
  • ✗ Only OptiPlex 3020/9020 SFF and Precision T1700 SFF are confirmed compatible
  • ✗ Listing does not state 80 Plus efficiency tier or rail amperage

Manufacturer description

Dell NT1XP OptiPlex 3020 9020 SFF 255w Power Supply L255AS-00 PS-3261-2DF

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SpecPicks Verdict

SpecPicks scored Dell NT1XP OptiPlex 3020 9020 SFF 255w Power Supply PS-3261-2DF using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Dell'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

  • Make sure this fits by entering your model number.
  • COMPATIBLE WITH PRECISION T1700 SFF, OPTIPLEX 3020 SFF, OPTIPLEX 9020 SFF

Full Specifications

ASINB00WGST2VC
BrandDell
Wattage255 watts
Item Weight1 Pounds
ManufacturerDell
Model NumberNT1XP
Connector TypeATX
Cooling MethodAir
Output Wattage255 Watts
Item model numberNT1XP
Compatible DevicesPersonal Computer
Product Dimensions10 x 3.2 x 3 inches
Date First AvailableApril 21, 2015
Item DimensionsLxWxH10 x 3.2 x 3 inches
Number of Connectors1
Maximum Input Voltage240 Volts (AC)
Item dimensions L x W x H10 x 3.2 x 3 inches
Is Discontinued By ManufacturerNo

Ready to buy?

Amazon shows no buyable offer for Dell NT1XP OptiPlex 3020 9020 SFF 255w Power… at the last check. A similar in-stock product is NT1XP YH9D7 255W L255AS-00 PS-3261-2DF…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $35.99

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Dell NT1XP OptiPlex 3020 9020 SFF 255w Power Supply L255AS-00 PS-3261-2DF
Similar, in stock — $35.99 →