Key Specifications
Choose one or multiple features to search for items that have the same specifications.Ports & interfaces | |
ATX Power connector (24-pin) | ![]() |
Motherboard power connector | 24-pin ATX |
Number of SATA power connectors | 12 |
CPU power connector (4+4 pin) | ![]() |
PCI Express power connectors (6+2 pin) | 4 |
Cabling type | Modular |
Weight & dimensions | |
Height | 63.5 mm |
Width | 125 mm |
Depth | 130 mm |
Energy management | |
Nominal power | 900 W |
Power Factor Correction (PFC) type | Active |
Combined power (+3.3V) | 150 W |
Combined power (+12V) | 850 W |
Combined power (+5V) | 150 W |
Combined power (+5Vsb) | 15 W |
Max output current (+3.3V) | 20 A |
Max output current (+12V) | 70.8 A |
Max output current (+5V) | 20 A |
Max output current (+5Vsb) | 3 A |
AC input frequency | 47 - 63 Hz |
AC input voltage | 100 - 240 V |
Total power | 850 W |
Maximum input current (@110V) | 5 A |
Maximum input current (@220V) | 10 A |
Certificates | |
80 PLUS certification | 80 PLUS Gold |
Packaging content | |
Cables included | AC, DC |
Design | |
Product colour | Black |
Number of fans | 1 fan(s) |
Cooling type | Active |
Fan diameter | 12 cm |
Performance | |
Mean time between failures (MTBF) | 100000 h |
Purpose | PC |
Bearing technology | FDB |
Supported motherboard form factors | ATX |
ATX version | 3.0 |
Silent mode | ![]() |
Power supply unit (PSU) form factor | ATX |
EAN | 840006646228 |
Warranty | 7 years |
The Corsair SF850L 850W Power Supply Unit (PSU) is a fully modular, low-noise SFX-L power supply designed to meet the needs of advanced PC builders. Combining exceptional power output with an ultra-compact form factor, this PSU is ideal for small form factor builds that demand high performance without compromising on reliability. Compliant with the latest ATX 3.1 and PCIe 5.0 standards, it delivers stable and efficient power to high-end components such as NVIDIA's latest RTX graphics cards.
One of the standout features of the SF850L is its 80 PLUS Gold certification, ensuring energy efficiency of up to 90%. This not only helps in reducing electricity bills but also contributes to a cooler and quieter system thanks to the advanced 120mm fan with Zero RPM mode. The use of high-quality Japanese capacitors further enhances durability and efficiency, making this power supply a dependable choice for gamers and professionals alike, backed by a generous seven-year warranty.
Key Features- Wattage output: 850W
- Form factor: Compact SFX-L
- Fully modular design for easy cable management
- 80 PLUS Gold certification for high energy efficiency
- Silent operation with 120mm fan featuring Zero RPM mode
- Compatible with ATX 3.1 and PCIe 5.0 standards
- High-quality 105°C-rated Japanese capacitors
- Protection features including OVP, UVP, OCP, and SCP
- No load operation down to 0.5W
- Maximum operating temperature of 40°C for reliable performance
- Compact design ideal for high-performance small form factor systems
- Seven-year warranty for peace of mind
- Corsair SF850L Power Supply Unit
- Fully modular cables
- Power cord
- Mounting screws
- User manual
- Cable ties for organized management
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