Corsair SF Series CP-9020256-EU power supply unit 850 W 24-pin ATX CFX Black
Corsair SF Series CP-9020256-EU, 850 W, 100 - 240 V, 47 - 63 Hz, 10 A, 10 A, 5 A
| Date | Price |
|---|---|
| 6 March 2026 | £228.77 |
| 18 March 2026 | £227.08 |
| 24 March 2026 | £227.11 |
| 29 March 2026 | £227.90 |
| 4 April 2026 | £229.30 |
| 10 April 2026 | £228.35 |
| 15 April 2026 | £228.39 |
| 18 April 2026 | £229.18 |
| 23 April 2026 | £228.95 |
| 29 April 2026 | £228.10 |
| 6 May 2026 | £228.21 |
| 7 May 2026 | £228.21 |
| 15 May 2026 | £227.86 |
| 18 May 2026 | £333.43 |
Compare Corsair SF Series CP-9020256-EU power supply unit 850 W 24-pin ATX CFX Black prices UK
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Product Information
SF PLATINUM SERIES
PLATINUM POWER FOR SFF BUILDS
SMALL AND MIGHTY
Don't let the size fool you – this SFX power supply packs 80 PLUS Platinum-rated power, perfect for the most power-dense small form-factor PCs.
50°C CONTINUOUS OPERATING TEMPERATURE
Ensures reliable power for your SFF PC, even under high-stress conditions.
105°C-RATED CAPACITORS
Built with 100% Industrial-grade, 105°C-rated Japanese electrolytic capacitors for unwavering power and reliability.
ATX 3.1 CERTIFIED
The ATX 3.1 standard demands a high level of reliability and power efficiency. While many CORSAIR PSUs meet these requirements, SF Series PSUs are formally certified for ATX 3.1 compliance.
PCIe 5.1 12V-2x6 GPU cable included for use with modern graphics cards such as the NVIDIA® GeForce RTX™ 40 Series.
QUIET OPERATION WITH ZERO RPM MODE
A fluid dynamic bearing cooling fan keeps noise to a minimum, with Zero RPM mode to eliminate fan noise completely at low to medium loads.
FULLY MODULAR TYPE 5 MICRO-FIT CONNECTORS
Connect only what you need, with flexible cabling to take up less space for tidy cable management in small cases.
Product
- Name
- Corsair SF Series CP-9020256-EU power supply unit 850 W 24-pin ATX CFX Black
- Category
- Power Supply Units
- Brand
- Corsair
Power
- Total power
- 850 W
- AC input voltage
- 100 - 240 V
- AC input frequency
- 47 - 63 Hz
- Input current
- 10 A
- Maximum input current (@110V)
- 10 A
- Maximum input current (@220V)
- 5 A
- Combined power (+3.3V)
- 130 W
- Combined power (+12V)
- 850 W
- Combined power (+5V)
- 130 W
- Max output current (+3.3V)
- 20 A
- Max output current (+12V)
- 70.8 A
- Max output current (+5V)
- 20 A
- Power protection features
- Over power, Over voltage, Overheating, Short circuit, Under voltage
Weight & dimensions
- Weight
- 2.3 kg
Ports & interfaces
- Motherboard power connector
- 24-pin ATX
- Peripheral (Molex) power connectors (4-pin)
- 1
- Motherboard power cable length
- 61 cm
- Number of SATA power connectors
- 12
- Number of PATA power connectors
- 4
- SATA power cable length
- 115,455,800 mm
- Peripheral (Molex) power cable length
- 750 mm
- EPS power connector (8-pin)
- Yes
- PCI Express power connectors (6+2 pin)
- 8
- PCI Express power cable length
- 75 cm
- Cabling type
- Fully-Modular
Packaging data
- Package type
- Box
Performance
- Purpose
- PC
- Power supply unit (PSU) form factor
- CFX
- 80 PLUS certification
- 80 PLUS Platinum
- ATX version
- 3.1
- Silent mode
- Yes
- Bearing technology
- FDB
- Mean time between failures (MTBF)
- 100000 h
Design
- Product colour
- Black
- Cooling type
- Active
- Fan diameter
- 14 cm
- Number of fans
- 1 fan(s)
- Fan location
- Top
Packaging content
- Cables included
- AC
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