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Black SFX-L power supply with 120 mm fan and modular cables

Corsair

Corsair SF850L CP-9020245-NA 850 W SFX-L power supply

SKU CH-M3DF-84497 MPN CP-9020245-NA

Compact SFX-L unit delivers 850 W with full modular cabling, ATX 3.0 compliance, a 120 mm fan featuring Zero RPM mode, and 80 PLUS Gold efficiency

  • ColorBlack
  • TypeATX / ATX 3.0 Compatible
  • Maximum Power850 W
  • Fans1 x 120 mm Rifle Bearing PWM Fan
  • Main Connector24Pin
  • PCI-Express Connector2 x 6+2-Pin

Options SFX 80+ Gold (850W)

  • Compact SFX-L design fits small builds
  • ATX 3.0 certified for modern reliability
  • PCIe 5.0 12VHPWR cable supports RTX 40 graphics cards
  • 80 PLUS Gold 90% efficiency with Cybenetics noise rating
  • 105°C Japanese capacitors ensure steady power

Compact SFX-L power for small builds

The Corsair SF850L CP-9020245-NA is an 850 W SFX-L unit built for compact systems that still demand full ATX 3.0 compliance. Its 130 mm length fits many small-form-factor cases while the fully modular Type 5 micro-fit cables reduce clutter and improve airflow. The 120 mm rifle-bearing fan supports Zero RPM mode so the supply stays silent at low loads.

Sustained delivery with 80 PLUS Gold efficiency

Rated for continuous 850 W output, the unit holds 80 PLUS Gold certification at up to 90 percent typical efficiency and carries Cybenetics Standard noise certification. Japanese 105°C-rated primary electrolytic capacitors keep voltage regulation stable during long gaming or render sessions. The single 12 V rail can supply the full 850 W to modern GPUs without rail-balancing concerns.

Check case clearance and GPU cable needs

Verify that your chassis accepts a 130 mm deep SFX-L power supply and that the 24-pin ATX, dual 8-pin EPS, and PCIe cables reach your motherboard and graphics card. The box includes one native 12+4 pin 12VHPWR cable for PCIe 5.0 GPUs such as RTX 40 series cards plus two 6+2 pin and one 6+2 pin pigtail cable for older connectors. Input range is 100-240 V at 47-63 Hz.

Highlights

  • Compact SFX-L design fits small builds
  • ATX 3.0 certified for modern reliability
  • PCIe 5.0 12VHPWR cable supports RTX 40 graphics cards
  • 80 PLUS Gold 90% efficiency with Cybenetics noise rating
  • 105°C Japanese capacitors ensure steady power

Specifications

BrandCORSAIR
SeriesSF-L Series
ModelSF850L
Part NumberCP-9020245-NA
ColorBlack
TypeATX / ATX 3.0 Compatible
Maximum Power850 W
Fans1 x 120 mm Rifle Bearing PWM Fan
Main Connector24Pin
PCI-Express Connector2 x 6+2-Pin
SATA Power Connector2
Max PSU Length130 mm
ModularFull Modular
Energy-Efficient80 PLUS GOLD Certified
PSU Noise LevelCybenetics Standard
Input Voltage100 - 240 V
Input Frequency Range47 - 63 Hz
Input Current10A-5A
Output+3.3V@20A, +5V@20A, [email protected] , +5VSB@3A
Connectors1 x 24-pin ATX (24-pin) (300mm)
2 x EPS/ATX12V Cable (8-PIN) (4+4) (400mm)
2 x PCI-E Cable (8-PIN) (6+2) (400mm)
1 x PCI-E Cable (8-PIN) (6+2)*2 pigtail (400mm, 100mm)
1 x PCI-E Cable (12+4)PIN (400mm)
1 x SATA CABLE (4 Straight SATA) (100mm, 115mm, 115mm, 115mm)
1 x SATA CABLE (4 Right SATA) (100mm, 115mm, 115mm, 115mm)
1 x PATA-PATA-PATA (100mm, 115mm, 115mm)
FeaturesCompact SFX-L Form-Factor PSU: Delivers 850W of continuous power, ideal for power-dense small-form-factor PCs.
Fully Modular, Micro-Fit PSU Connectors: With flexible cabling, taking up less space for tidy cable management and compatibility in small cases.
Intel® ATX 3.0 Certified: Compliant with the ATX 3.0 power standard, supporting the PCIe Gen 5 platform and resisting transient power spikes.
120mm Rifle Bearing PWM Fan: Delivers quiet, powerful cooling, with Zero RPM fan mode for near-silent operation at lower loads.
80 PLUS Gold-Certified: Operates at up to 90% efficiency, and Cy
Dimensions5.12*4.92*2.50"
Weight2.47lbs.
Package ContentF-L Series High-Performance SFX-L Power Supply | AC Power cord | DC Modular Cable Set | Cable Ties
Shipping weight2.36 kg
Package size285 × 180 × 102 mm

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Questions about this item

Will the 130 mm SFX-L length fit my case?

The unit is 130 mm long. Measure the PSU bay in your chassis against that figure and confirm the SFX-L mounting pattern before buying.

Does the box include a 12VHPWR cable for a modern GPU?

Yes, a 12+4 pin PCIe 5.0 cable is supplied along with two 6+2 pin cables and a pigtail 6+2 pin cable.

What mains voltage range does the PSU accept?

It operates from 100 V to 240 V at 47 Hz to 63 Hz, so it works worldwide without a voltage switch.

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