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Black SFX power supply with 92mm fan and modular cables

Lian Li

Lian Li SP850G.B 850W SFX power supply

SKU CH-PG10-5E6Q3 MPN SP850G.B

Compact SFX unit delivers 850 W with 80 Plus Gold efficiency, ATX 3.1 compliance, a native 12V-2x6 cable and a 92 mm FDB fan

  • ColorBlack
  • TypeATX (ATX 3.1 Compatible)
  • Maximum Power850W
  • Fans1 x 92 mm FDB Fan
  • PFCActive PFC, PF > 0.90 under full load @ 115Vac, 60Hz
  • ModularFully Modular

Options SFX 80+ Gold (850W) V2 Black

  • 850 W output powers demanding builds in a compact SFX frame
  • 80 Plus Gold certification delivers over 90 % efficiency at typical load
  • ATX 3.1 compliant with native 12V-2x6 cable for PCIe 5.0 graphics cards
  • Fully modular cabling reduces clutter and improves airflow in small cases
  • 92 mm FDB fan provides quiet cooling under heavy loads

SFX form-factor PSU for compact builds

This Lian Li SP series unit delivers 850W from a 125 x 100 x 63.5 mm enclosure, making it suitable for small-form-factor cases that cannot accept standard ATX power supplies. The fully modular design lets you connect only the cables your build requires, reducing internal clutter in tight layouts.

850W capacity with 80 Plus Gold efficiency

At 50% load under 115V AC input the unit exceeds 90% efficiency, so a typical gaming or workstation system runs with minimal waste heat. The 12V rail handles modern PCIe 5.0 graphics cards through the native 12V-2x6 connector, while dual EPS cables and two PCIe 6+2 pin leads cover high-end CPUs and a second GPU if needed.

Black finish, 92 mm FDB fan, ten-year protection

A 92 mm fluid-dynamic-bearing fan provides quiet cooling across the load range, and the supply carries OCP, OVP, OTP, OPP, SCP, UVP, NLP and SIP safeguards. Native 12V-2x6 and 12V-2x6-to-PCIe cables ship at 420 mm and 400 mm respectively, while SATA power leads use a 300 mm main run with 15 mm branches for drive placement flexibility.

Highlights

  • 850 W output powers demanding builds in a compact SFX frame
  • 80 Plus Gold certification delivers over 90 % efficiency at typical load
  • ATX 3.1 compliant with native 12V-2x6 cable for PCIe 5.0 graphics cards
  • Fully modular cabling reduces clutter and improves airflow in small cases
  • 92 mm FDB fan provides quiet cooling under heavy loads

Specifications

BrandLIAN LI
SeriesSP series
ColorBlack
TypeATX (ATX 3.1 Compatible)
Maximum Power850W
Fans1 x 92 mm FDB Fan
PFCActive PFC, PF > 0.90 under full load @ 115Vac, 60Hz
ModularFully Modular
Energy-Efficient80 Plus Gold
ProtectionOCP / OVP / OTP / OPP / SCP / UVP / NLP / SIP
Input Voltage100-240Vac
Input Frequency Range60-50Hz 10-5A
Connectors20+4pin: 350mm * 1pc
CPU - EPS 8pin: 600mm * 1pc
CPU - EPS 4+4pin: 600mm * 1pc
CPU - EPS 8pin: 600mm * 1pc
PCIe 6+2pin: 400mm * 2pcs
12V-2x6 to PCIe 6+2pin: 400mm *1
12V-2x6: 420mm * 1pc
SATA+PATA: 300+15+15+15mm * 1pc
SATA+PATA: 120+120+120+120mm * 1pc
Dimensions125mm(W)x63.5mm(H)x100mm(D)
Weight3.92 lbs
Shipping weight1.86 kg
Package size241 × 178 × 102 mm

Other versions of this model

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Questions about this item

Will the 12V-2x6 cable on this 850W SFX unit work with an older GPU that only has 6+2 pin sockets?

Yes, the box includes a 12V-2x6 to PCIe 6+2pin adapter cable measuring 400mm, so you can connect legacy graphics cards without buying extra parts.

How can I verify the fan is running quietly after I install the PSU?

The 92mm FDB fan spins up only when needed; at low load it stays off, and under load it runs quietly — listen for a faint airflow sound rather than a click or whine.

Which cables come in the box and what must I purchase separately?

Included: 20+4pin ATX, two EPS 8pin, one EPS 4+4pin, two PCIe 6+2pin, one 12V-2x6, one 12V-2x6 to 6+2pin, SATA/PATA chain. No extra cables are required for a typical build.

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