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White SFX power supply unit with modular cables and a 9.2 mm fan

Lian Li

Lian Li SP0850P.W 850W SFX power supply

SKU CH-VA7V-WV3KN MPN SP0850P.W

An 850 W SFX power supply with ATX 3.1 and PCIe 5.1 support, 80 Plus Platinum efficiency up to 92%, fully modular cables, a 9.2 mm FDB fan that stays off below 40% load, 105°C Japanese capacitors.

  • Max wattage750 W
  • Modular cablingFully Modular
  • Fan configuration9.2 mm FDB Fan
  • Power factor correctionActive PFC, PF > 0.95 under full load @ 115Vac, 60 Hz
  • Efficiency certification80 Plus Platinum
  • Built-in protectionOCP, OVP, OTP, OPP, SCP, UVP, NLP, and SIP

Model SFX 80+ Platinum (850W) White

  • Silent operation below 40% load with zero-RPM fan mode
  • Up to 92% efficiency at 50% load reduces heat and energy use
  • Compact 125 x 63.5 x 100 mm SFX design fits small and standard cases with included bracket
  • Fully modular, super-flexible cables simplify routing for cleaner builds
  • 105°C Japanese capacitors and 100,000-hour MTBF ensure long-term reliability

SFX platinum power supply

The Lian Li SP0850P.W is a fully modular SFX unit rated at 850 W and certified 80 Plus Platinum. It targets builders who need high output in a compact footprint for small-form-factor or converted ATX cases. The white finish suits colour-coordinated builds.

ATX 3.1 and PCIe 5.1 limits

The platform follows ATX 3.1 and PCIe 5.1 specifications, supplying a 12V-2x6 connector for modern graphics cards. Efficiency reaches 92 % at 50 % load with active PFC above .95 at 115 Vac. Protection circuits include OCP, OVP, OTP, OPP, SCP, UVP, NLP and SIP.

Build quality and daily use

Japanese 105 °C capacitors and a 9.2 mm fluid-dynamic-bearing fan provide a 100 000-hour MTBF at 25 °C. Fanless mode engages below 40 % load for silent operation. An included SFX-to-ATX bracket and a C14-C13 cable with integrated switch simplify installation and power control.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $122.99
Cheaper than about 58% of the 10,869 comparable items (median $142.99).
Max wattage 750 W
Lower than about 60% of the 930 comparable items (median 850 W).

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Specifications

Product
Brand nameLIAN LI
Product lineSPP series
Product colorWhite
Product typeATX (ATX 3.1 Compatible)
Power
Max wattage750 W
Modular cablingFully Modular
Power factor correctionActive PFC, PF > 0.95 under full load @ 115Vac, 60 Hz
Efficiency certification80 Plus Platinum
Built-in protectionOCP, OVP, OTP, OPP, SCP, UVP, NLP, and SIP
Supply voltage100-240Vac
AC input frequency6-12A, 50-60 Hz
Size & build
Product dimensions125 mm(W) × 63.5 mm(H) × 100 mm(D)
Product weight3.92 lb (1.78 kg)
Shipping weight2.18 kg
Package size241 × 178 × 102 mm
More details
Fan configuration9.2 mm FDB Fan
Mean time between failures100,000 hrs minimum 25?/75% Load

Other versions of this model

5 more in the same range

Questions about this item

Should I choose the 750 W or 850 W rating when planning my build?

The unit delivers a maximum of 750 W continuous power; the 850 W figure in the model name is a series designation, not a higher output capability.

What does the 92 % efficiency claim mean for my system thermals and power draw?

At 50 % load the PSU reaches up to 92 % efficiency, so less waste heat enters the case and the unit runs cooler and quieter under typical gaming loads.

How does ATX 3.1 and PCIe 5.1 compliance affect the 12V-2x6 connector I will use?

The native 12V-2x6 connector follows the ATX 3.1 and PCIe 5.1 specifications, supporting the high-current demands of modern GPUs without adapters or daisy-chaining.

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