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SF750/SF850/SF1000 Platinum ATX 3.1: Everything you need to know

The time has come to update our popular small form factor power supply units to meet the latest spec requirements on the market. Meet the 2024 line-up of the CORSAIR SF Series power supplies.

We kept everything that was great about our previous SF models and added compliance with the latest ATX12V version 3.1 and PCIe version 5.1 standards. The 92mm PWM fan with Zero RPM mode is still there, but now with a Fluid Dynamic Bearing for the quietest operation at low loads.

SF750_RENDER_08
SF850_RENDER_08
SF1000_RENDER_08

Technical Specifications

Model

SF750

SF850

SF1000

SKU Number

CP-9020284

CP-9020256

CP-9020257

Form Factor

SFX

Measurements

100mm x 125mm x 63.5mm

AC Input

100V - 240V / 10A-5A

80 PLUS / Cybenetic Rating

80 PLUS Platinum / Cybenetics Platinum

ATX12V Version

3.1

EPS12V Version

2.92

PCIe Version

5.1 Ready

Modularity

Fully Modular

CORSAIR Connector Type (PSU)

Type-5 Micro-Fit

Cable Type

Individually Sleeved

Fan Size / Type

92mm / Fluid Dynamic Bearing

Zero RPM Mode

Yes

105°C Rated Japanese Capacitors

Yes

Continuous Operating Temperature

50°C

Warranty

7-Years

SFX-to-ATX  Adapter Bracket

Yes

Protections

OVP (Over Voltage), UVP (Under Voltage), SCP (Short Circuit), OTP (Over Temp), OPP (Over Power)

Power Output Table

The power supply uses a single +12V power rail and comes with all necessary protections for safe operation.

 

SF750

SF850

SF1000

+5V

20A

20A

20A

+3.3V

20A

20A

20A

+5V & +3.3V Max Output

130W

130W

130W

+12V

62.5A

70.8A

83.3A

+12V Max Output

750W

850W

1000W

+5Vsb

3.0A

3.0A

3.0A

+5Vsb Max Output

15W

15W

15W

Total Power

750W

850W

1000W

Cable Configuration

All cables are individually sleeved and for graphics cards you have the option to use either PCIe 6+2 or 12V-2x6 aka 12VHPWR straight out of the box. The connectors on the power supply are only compatible with CORSAIR Type-5 Micro-Fit connectors. Do not use cables that are not 100% compatible with these units, as this could result in catastrophic failure.

 

SF750

SF850

SF1000

ATX 24-Pin

1 (300mm ± 10mm)

EPS/ATX12V 4+4-Pin

2 (400mm ± 10mm)

PCI-E 6+2-Pin

2 (400mm ± 10mm)

3 (400mm ± 10mm)

4 (400mm ± 10mm)

PCI-E 12+4-Pin aka 12V-2x6/12VHPWR

1 (400mm ± 10mm)

SATA Cable (4x  Straight plugs per cable)

1 (445mm ± 10mm)

SATA Cable (4x Angled plugs per cable)

1 (445mm ± 10mm)

PATA (3x plugs per cable)

1 (330mm ± 10mm)

Fan Noise Levels

These power supplies are equipped with a 92mm PWM controlled zero RPM fan that only starts spinning when the power supply load reaches 40% or more. The following applies to each model:

SF750 – Zero RPM up to 300W load

SF850 – Zero RPM up to 340W load

SF1000 – Zero RPM up to 400W load

To further ensure quiet operation even after the fan starts spinning, we have tuned the fans in these units accordingly. You can expect carefully tuned noise performance even when the fan starts spinning. It is important to note that the spinning of the fan is not only related to the load of the power supply, but also kicks in when the temperature inside the unit reaches a certain level. This is important to ensure that the units are operating well within their specifications.

SF750_FN_ONBL

SF750

SF850_FN_ONBL

SF850

SF1000_FN_ONBL

SF1000

Efficiency

80 PLUS Platinum efficiency ensures lower energy consumption, noise, temperatures, and your power bill.

SF750_EF_ONBL

SF750

SF850_EF_ONBL

SF850

SF1000_EF_ONBL

SF1000

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