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Lian Li SX1000P Platinum Compact ATX PSU 1000W-ATX 3.1-White-SX1000P.W | SXP Compact ATX Form Factor, 12V-2x6 Cable, ATX 3.1 & PCIE 5.1 Compliant, Cybenetics Platinum Efficiency
Lian Li

Lian Li SX1000P Platinum Compact ATX PSU 1000W-ATX 3.1-White-SX1000P.W

Bottom line: The Lian Li SX1000P Platinum Compact ATX PSU 1000W-ATX 3.1-White-SX1000P.W is a specs-and-price decision rather than a crowd-consensus one in the power supplies & cables category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Backed by Lian Li's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

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SpecPicks Verdict

SpecPicks scored Lian Li SX1000P Platinum Compact ATX PSU 1000W-ATX 3.1-White-SX1000P.W using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies & cables category. Lian Li's power supplies & cables 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 & cables 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

  • Ample PCIe 6+2 Connectors: Easily power multiple accessories, including the LIAN LI Universal USB and fan hub, ensuring a versatile setup without limitations for any build.
  • Smart Cooling Technology: Features fanless mode at ≤40% load for silent operation, while maintaining optimal temperatures during high loads for enhanced performance and longevity. Fanless mode off for excellent noise control.
  • Flexible Braided Cables: Super flexible DC cables facilitate effortless cable management, reducing clutter and improving airflow in tight or complex builds.
  • 80 Plus Platinum Certified : Achieves up to 92% efficiency at 50% load, ensuring cooler, quieter, and more energy-efficient operation with stable voltage regulation.
  • 105°C-Rated Capacitors: Built with 100% Japanese 105°C-rated capacitors for exceptional durability and stable performance, even under high thermal stress.
  • RMA Support: Missing parts or cable color issues? Reach out to us for quick support or replacement.

Full Specifications

BrandLian Li
Wattage1000 watts
Dimensions150 x 86 x 140 mm
Model NameSX1000P.W
Unit Count1 Count
Form FactorATX
RMA SupportMissing parts or cable color issues? Reach out to us for quick support or replacement.
ConnectivityUSB
Model NumberSX1000P.W
Built-In MediaLian-Li Lian Li SX1000P Platinum - White
Connector TypePCI Express
Cooling MethodAir
Number of Fans1
Output Wattage1000 watts
Item Dimensions5.91 x 3.39 x 5.51 inches
Mfr Part NumberSX1000P.W
Number of Items1
Compatible DevicesDesktop Computer, Gaming PC
Product Dimensions5.9"W x 3.4"H x 5.5"D (150 x 86 x 140 mm); equipped with a 120 mm FDB fan with maximum fan speed of 2,000 RPM.
Warranty Description1 year
Full listing titleLian Li SX1000P Platinum Compact ATX PSU 1000W-ATX 3.1-White-SX1000P.W | SXP Compact ATX Form Factor, 12V-2x6 Cable, ATX 3.1 & PCIE 5.1 Compliant, Cybenetics Platinum Efficiency

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Lian Li SX1000P Platinum Compact ATX PSU 1000W-ATX 3.1-White-SX1000P.W | SXP Compact ATX Form Factor, 12V-2x6 Cable, ATX 3.1 & PCIE 5.1 Compliant, Cybenetics Platinum Efficiency is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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Lian Li SX1000P Platinum Compact ATX PSU 1000W-ATX 3.1-White-SX1000P.W | SXP Compact ATX Form Factor, 12V-2x6 Cable, ATX 3.1 & PCIE 5.1 Compliant, Cybenetics Platinum Efficiency
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