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Lian Li SP0850P Platinum 850W SFX Form Factor Power Supply with 12V-2x6 Connectors - ATX 3.1 & PCIE 5.1 Compliant - Low-Noise - Fully Modular - 105°C Capacitors - 10 Year Warranty - Black (SP0850P.B)
Lian Li

Lian Li SP0850P Platinum 850W SFX Form Factor Power Supply with 12V-2x6 Connectors

Bottom line: The Lian Li SP0850P Platinum 850W SFX Form Factor Power Supply is a specs-and-price decision rather than a crowd-consensus one in the power supplies 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, 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

  • ✓ 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 SP0850P Platinum 850W SFX Form Factor Power Supply using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Lian Li'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

  • Smart Cooling: The fanless mode activates at ≤40% load for silent operation and extended fan life, engaging the fan only when needed.
  • Flexible Cables: Super flexible DC cables simplify cable routing for a clean, clutter-free build and improved airflow.
  • SFX-to-ATX Bracket (included): The included bracket allows seamless installation in both compact SFX and standard ATX cases, offering versatile compatibility.
  • 80Plus Platinum Certified: Delivers up to 92% efficiency, ensuring a cooler, quieter, and more energy-efficient system with rock-solid stability.
  • 100% Japanese Capacitors: Built with premium 105°C-rated capacitors for superior durability, stable performance, and a longer lifespan.
  • LianLi Compact SFX Platinum PSU: Ideal for gamers and creators, this standard-sized SFX PSU measures 125mm (W) x 63.5mm (H) x 100mm (D), providing powerful performance in a compact form. Part of the Lian Li SP power supplies series, it is engineered for high performance and silent operation.

Full Specifications

BrandLian Li
Wattage850 watts
Model NameSP0850P.B
Form FactorSFX
Model NumberSP0850P.B
Smart CoolingThe fanless mode activates at ≤40% load for silent operation and extended fan life, engaging the fan only when needed.
Built-In MediaLian-Li Lian Li SP850P Platinum - Black
Connector TypeATX
Cooling MethodAir
Number of Fans1
Output Wattage850 watts
Flexible CablesSuper flexible DC cables simplify cable routing for a clean, clutter-free build and improved airflow.
Item Dimensions4.92 x 2.5 x 3.94 inches
Mfr Part NumberSP0850P.B
Compatible DevicesDesktop Computer, Gaming PC
Warranty Description10 Years Warranty
Maximum Input Voltage264 volts_of_alternating_current
Minimum Input Voltage100 volts_of_alternating_current
100% Japanese CapacitorsBuilt with premium 105°C-rated capacitors for superior durability, stable performance, and a longer lifespan.
80Plus Platinum CertifiedDelivers up to 92% efficiency, ensuring a cooler, quieter, and more energy-efficient system with rock-solid stability.
Full listing titleLian Li SP0850P Platinum 850W SFX Form Factor Power Supply with 12V-2x6 Connectors - ATX 3.1 & PCIE 5.1 Compliant - Low-Noise - Fully Modular - 105°C Capacitors - 10 Year Warranty - Black (SP0850P.B)

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Lian Li SP0850P Platinum 850W SFX Form Factor Power Supply with 12V-2x6 Connectors - ATX 3.1 & PCIE 5.1 Compliant - Low-Noise - Fully Modular - 105°C Capacitors - 10 Year Warranty - Black (SP0850P.B) 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 SP0850P Platinum 850W SFX Form Factor Power Supply with 12V-2x6 Connectors - ATX 3.1 & PCIE 5.1 Compliant - Low-Noise - Fully Modular - 105°C Capacitors - 10 Year Warranty - Black (SP0850P.B)
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