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Power supplies / Compare

CORSAIR RM750e (2025) vs CORSAIR SF750 (2024)

32 of 58 fields differ

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  • 26 different values
  • 6 known for one only
  • 20 the same
  • 6 missing for both

Biggest differences

Each bar uses the scale of all 66 power supplies.

  1. PCIe 8-pin connectorsA: 3B: 2RM750e (2025) has 1 more.
  2. 4-pin Molex connectorsA: 2B: 3SF750 (2024) has 1 more.
  3. Average noiseLower is betterA: 19.34dB(A)B: 27.54dB(A)RM750e (2025) is 8.2 dB(A) lower.
  4. SATA power connectorsA: 6B: 8SF750 (2024) has 2 more.
  5. 12V rippleLower is betterA: 45.62mVB: 35.01mVSF750 (2024) is 10.61 mV lower.

Size, drawn to scale

Front and side.

Weight

0 to 2.5 kg

A1.5kg
B0.99kg

All 66 fields

Every value links to where we found it.

ACORSAIR RM750e (2025)
BCORSAIR SF750 (2024)

General

6 of 12 differ
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (EU)
Not available
Not available
Markets
Not available
Not available

Power

2 of 9 differ
Full power rated up to
Not available

Certifications

3 of 5 differ
Cybenetics efficiency at 230V

Measured

9 of 10 differ
Light-load efficiency at 115V (measured)
Noise at full load at 115V (measured)

Cables and connectors

5 of 7 differ
Cables
ACORSAIR RM750e (2025)
ConnectorConnectorsCablesLength to first plug (mm)Wire gaugeRated power (W)
ATX 24-pin (20+4)1161018-20AWGNot available
CPU 8-pin (EPS, 4+4)2275018AWGNot available
PCIe 8-pin (6+2)1165018AWGNot available
PCIe 8-pin (6+2)2165016-18AWGNot available
12V-2x611650Not available600
SATA power6245018AWGNot available
4-pin Molex2145018AWGNot available
Source1Maker product pagecorsair.com/us/en/p/psu/cp-9020295-na/rme-series-rm750e-fully-modular-low-noise-atx-power-supply-cp-9020295-naRead 16 October 2026Cable listing: 24-pin 610 mm, 2 EPS 4+4-pin cables 750 mm, 12V-2x6 650 mm, 12V-2x6 to dual 8-pin (6+2) 650 mm, 1 PCIe 8-pin (6+2) 650 mm, SATA cable with 4 SATA (450 mm to the first plug, then 100 mm spacing), SATA/PATA cable with 2 SATA and 2 PATA (450 mm, 100 mm spacing). Tech Specs: SATA connector 6, PATA connector 2. PCIe 8-pin is 1 single cable plus 1 cable with two 8-pin plugs, so 3 plugs on 2 cables. The two 4-pin PATA plugs are the molex row, which takes the 450 mm to the first plug of that cable. The 12V-2x6 cable is described as a native 600W-capable cable. The wire gauges come from the Cybenetics report. The quick start guide lists 2 single 8-pin PCIe cables for this model, which does not match this table, the Cybenetics report or Hardware Busters. The PSU side has one 12V-2x6 socket, so the dual 8-pin cable takes the 12V-2x6 socket and cannot be used together with the native 12V-2x6 cable. Cybenetics measures 600 mm, 740 mm, 640 mm and 445 mm for some of the same cables, which are not stored.5Measurementcybenetics.com/evaluations/psus/2625Read 16 October 2026Cables and Connectors table gives wire gauge per cable: ATX 18-20AWG, EPS 18AWG, 6+2 PCIe 18AWG, 2x 6+2 PCIe 16-18AWG, 12+2 pin PCIe (600W) 16-24AWG, SATA and Molex 18AWG. The 16-24AWG range for the 12V-2x6 cable includes the thin sideband wires, so no gauge is stored for it. Lengths are Corsair's.
BCORSAIR SF750 (2024)
ConnectorConnectorsCablesLength to first plug (mm)Wire gaugeRated power (W)
ATX 24-pin (20+4)1130016-20AWGNot available
CPU 8-pin (EPS, 4+4)2240016AWGNot available
PCIe 8-pin (6+2)2240016AWGNot available
16-pin PCIe (revision not stated)11400Not available600
SATA power8210018AWGNot available
4-pin Molex3110018AWGNot available
Source1Maker product pagecorsair.com/us/en/p/psu/cp-9020284-na/sf-series-sf750-fully-modular-80-plus-platinum-sfx-power-supply-cp-9020284-naRead 15 October 2026Cable listing: 1 ATX 24-pin 300 mm, 2 EPS 8-pin (4+4) 400 mm, 2 PCIe 8-pin (6+2) 400 mm, 1 12VHPWR (12+4) 400 mm, 1 SATA cable with 4 straight plugs and 1 with 4 right-angle plugs (100 mm to the first plug, 115 mm spacing, 445 mm total) and 1 PATA cable with 3 plugs (100 mm to the first plug, 115 mm spacing, 330 mm total). All lengths have a tolerance of 10 mm. PATA plugs are the 4-pin Molex plugs. The listing and the quick start guide say 12VHPWR, but the Corsair 12V-2x6 explainer lists the SF Series cable as a 12V-2x6 cable. The maker names it both ways, so it is stored as 16-pin PCIe. The page does not rate the cable. The 600 W rating comes from the Cybenetics report. Gauges come from the Cybenetics report.2Owner's manualcorsair.com/us/en/explorer/diy-builder/power-supply-units/corsair-sf-seriesRead 15 October 2026SF750 included cables: 1x ATX 24-pin 300 mm, 2x EPS 8-pin 400 mm, 2x PCIe 8-pin 400 mm, 1x 12VHPWR (12+4 pin) 400 mm, 1 SATA cable with 4 straight plugs, 1 with 4 right-angle plugs and 1 PATA cable with 3 plugs.4Maker product pagecorsair.com/us/en/explorer/diy-builder/power-supply-units/which-corsair-psus-have-a-12v-2x6-connectorRead 15 October 2026SF Series (750W / 850W / 1000W): 12V-2x6 cable (Type-5 to 12V-2x6). The cable runs from two 8-pin Micro-Fit sockets on the PSU to a 12+4 pin plug, as the Hardware Busters review says. It is a cable of its own, not an adapter on another cable. The page does not rate the cable.6Measurementcybenetics.com/evaluations/psus/2352Read 15 October 2026Cables and Connectors table: ATX 20+4 pin 16-20AWG, 2 x 4+4 pin EPS 16AWG, 2 x 6+2 pin PCIe 16AWG, 12+2 pin PCIe (600W) 16-24AWG, 2 SATA cables with 8 plugs in total 18AWG and 1 Molex cable with 3 plugs 18AWG, no in-cable capacitors. The 16-24AWG range of the 12V-2x6 cable includes the sideband wires, so no gauge is stored for it. The 600W rating is printed next to the 12-pin cable. Cybenetics lists 410 mm for the EPS and PCIe cables and 110 mm to the first SATA and Molex plug, which are not stored. Corsair's lengths are stored.7Reviewhwbusters.com/psus/corsair-sf750-atx-v3-1-psu-reviewRead 15 October 2026Cables page: the modular panel has nine sockets and the 12V-2x6 cable uses 2 x 8-pin Micro-Fit sockets, with no native 12V-2x6 socket. The cable table matches the Cybenetics report. The review text confirms two 6+2 pin PCIe cables and one 12+2 pin cable.
CPU (EPS) connectors
2
2
PCIe 8-pin connectors
3
2
16-pin GPU connectors
1
1
SATA power connectors
6
8
4-pin Molex connectors
2
3

Fan

2 of 4 differ
Fan mode switch
Not available
Not available

Protection and parts

1 of 3 differ
Protections

Monitoring and lighting

1 of 4 differ
Software monitoring
Not available
Not available
Software
Not available
Not available
Built-in power display
Not available
Not available

Dimensions and weight

2 of 2 differ
Weight

In the box

1 of 1 differ

Warranty

0 of 1 differ

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