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CORSAIR RM750e (2025) vs MSI MAG A650GLS PCIE5

34 of 58 fields differ

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  • 26 different values
  • 8 known for one only
  • 17 the same
  • 7 missing for both

Biggest differences

Each bar uses the scale of all 66 power supplies.

  1. 12V rippleLower is betterA: 45.62mVB: 23.63mVMSI is 21.99 mV lower.
  2. PCIe 8-pin connectorsA: 3B: 2CORSAIR has 1 more.
  3. Average noiseLower is betterA: 19.34dB(A)B: 26.84dB(A)CORSAIR is 7.5 dB(A) lower.
  4. SATA power connectorsA: 6B: 5CORSAIR has 1 more.
  5. PowerA: 750WB: 650WCORSAIR is 100 W higher.
  6. Hold-up timeA: 16.7msB: 18.7msMSI is 2 ms higher.

Size, drawn to scale

Front and side.

Weight

0 to 2.5 kg

A1.5kg
B1.34kg

All 66 fields

Every value links to where we found it.

ACORSAIR RM750e (2025)
BMSI MAG A650GLS PCIE5

General

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

Power

5 of 9 differ
Full power rated up to
Not available
Not available

Certifications

3 of 5 differ
Cybenetics efficiency at 230V

Measured

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

Cables and connectors

3 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.
BMSI MAG A650GLS PCIE5
ConnectorConnectorsCablesLength to first plug (mm)Wire gaugeRated power (W)
ATX 24-pin (20+4)1160018-22AWGNot available
CPU 8-pin (EPS, 4+4)21650Not availableNot available
PCIe 8-pin (6+2)2260018AWGNot available
12V-2x611600Not available300
SATA power5250018-20AWGNot available
4-pin Molex2250018-20AWGNot available
4-pin floppy1150018-20AWGNot available
Source1Maker spec sheet (PDF)storage-asset.msi.com/datasheet/power-supply/us/MAG-A650GLS-PCIE5.pdfRead 14 October 2026Connector counts from the datasheet: ATX 1, EPS 2 (listed as EPS 4+4 pin), PCI-E 6+2 pin 2, 16-pin PCI-E 5.1 1 rated 300W, SATA 5, Molex 2, FDD 1. The datasheet gives no cable counts, lengths or gauge. Those come from the Hardware Busters and Cybenetics cable tables, which agree on lengths. They list the second SATA cable with 2 SATA, 1 Molex and 1 FDD plug and the first with 3 SATA and 1 Molex plug, and a first plug at 500 mm. The Cybenetics table also shows a third PCIe 6+2 line with 2 plugs that the datasheet and Hardware Busters do not have, so it is not stored. The datasheet calls the 16-pin cable dual-color 12V-2x6. Cybenetics prints 450W for it, the datasheet and Hardware Busters print 300W.4Measurementcybenetics.com/evaluations/psus/2811Read 14 October 2026Cables and Connectors table: ATX 20+4 pin 600 mm 18-22AWG, one 4+4 pin EPS cable with 2 plugs 650 mm then 105 mm 18AWG, 6+2 pin PCIe 600 mm 18AWG, 12+4 pin PCIe (450W) 600 mm 16-24AWG, one SATA and Molex cable with 3 SATA and 1 Molex, one cable with 2 SATA, 1 Molex and 1 FDD 18-20AWG. Hardware Busters prints 18-20AWG for the EPS cable and 18-24AWG and 300W for the 12V-2x6 cable, so no gauge is stored for those two rows.5Reviewhwbusters.com/psus/msi-mag-a650gls-pcie5-atx-v3-1-psu-reviewRead 14 October 2026Product photos and cables page: ATX 600 mm, EPS 650 mm with 105 mm to the second plug, two single 6+2 pin PCIe cables of 600 mm, one 12+4 pin PCIe cable of 600 mm rated 300W, and two SATA and Molex cables with 5 SATA, 2 Molex and 1 FDD plug. The text says the 12V-2x6 cable uses 18AWG wires and that Cybenetics asked MSI to raise the gauge of some cables to 18AWG.
CPU (EPS) connectors
2
2
PCIe 8-pin connectors
3
2
16-pin GPU connectors
1
1
SATA power connectors
6
5
4-pin Molex connectors
2
2

Fan

3 of 4 differ
Fan mode switch
Not available

Protection and parts

1 of 3 differ
Protections
All-Japanese capacitors
Not available
Not available
MTBF (claimed)
Not available

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
In the box
Not available

Warranty

0 of 1 differ

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