arkivoAPI

Power supplies / Compare

CORSAIR RM1000e (2025) vs Seasonic CORE GX-850 (2024)

31 of 58 fields differ

Download CSVDownload JSON
  • 24 different values
  • 7 known for one only
  • 23 the same
  • 4 missing for both

Biggest differences

Each bar uses the scale of all 66 power supplies.

  1. 4-pin Molex connectorsA: 2B: 3Seasonic has 1 more.
  2. PCIe 8-pin connectorsA: 4B: 3CORSAIR has 1 more.
  3. PowerA: 1,000WB: 850WCORSAIR is 150 W higher.

Size, drawn to scale

Front and side.

All 66 fields

Every value links to where we found it.

ACORSAIR RM1000e (2025)
BSeasonic CORE GX-850 (2024)

General

6 of 12 differ
Announced
Not available
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)

Power

5 of 9 differ
Full power rated up to
Not available

Certifications

1 of 5 differ
80 PLUS rating
Not available
Cybenetics efficiency at 230V

Measured

10 of 10 differ
Light-load efficiency at 115V (measured)
Noise at full load at 115V (measured)
Hold-up time (measured)

Cables and connectors

4 of 7 differ
Cables
ACORSAIR RM1000e (2025)
ConnectorConnectorsCablesLength to first plug (mm)Wire gaugeRated power (W)
ATX 24-pin (20+4)1161016-20AWGNot available
CPU 8-pin (EPS, 4+4)2275018AWGNot available
PCIe 8-pin (6+2)4365016-18AWGNot available
12V-2x61165016AWG600
SATA power6245018AWGNot available
4-pin Molex2145018AWGNot available
Source1Maker product pagecorsair.com/us/en/p/psu/cp-9020297-na/rme-series-rm1000e-fully-modular-low-noise-atx-power-supply-cp-9020297-naRead 14 October 2026Cable listing table: lengths 610 mm (24-pin), 750 mm (EPS), 650 mm (12V-2x6, 12V-2x6 to dual 8-pin, PCIe 8-pin), SATA 450 mm to the first plug then 100 mm spacing. Tolerance 10 mm. PCIe 8-pin is 2 single cables plus 1 cable with two 8-pin plugs (the 12V-2x6 to dual 8-pin cable), so 4 plugs on 3 cables. The SATA row covers a 4-plug SATA cable and a 2 SATA and 2 PATA cable. The two 4-pin plugs sit on the SATA and PATA cable, so the molex row takes that cable's 450 mm to its first plug. Hardware Busters and Cybenetics list the same cables. Tom's Hardware lists 3 PCIe 8-pin, 8 SATA and 3 Molex, which does not match Corsair or Cybenetics and is not used. The dual 8-pin cable and the native 12V-2x6 cable are separate cables in the box. Whether both can be used at once is not stated.5Measurementcybenetics.com/evaluations/psus/2624Read 14 October 2026Cables and Connectors table gives wire gauge per cable: ATX 16-20AWG, EPS 18AWG, 6+2 PCIe 16AWG, 2 x 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 the 16AWG power wire gauge is stored. The report lists lengths of 600 mm, 740 mm and 640 mm, which are mostly 10 mm shorter than Corsair's figures (the 12+2 pin cable is 650 mm in both). Corsair's lengths are stored.6Reviewhwbusters.com/psus/corsair-rm1000e-atx-v3-1-psu-reviewRead 14 October 2026Technical specifications: 2x EPS (2 cables), 4x PCIe 6+2 pin (3 cables), 1x PCIe 12+2 pin (600W), 6x SATA (2 cables), 2x 4-pin Molex (1 cable). Product photos page: nine sockets at the back, including a 12V-2x6.
BSeasonic CORE GX-850 (2024)
ConnectorConnectorsCablesLength to first plug (mm)Wire gaugeRated power (W)
ATX 24-pin (20+4)1161016-18AWGNot available
CPU 8-pin (EPS, 4+4)2275016AWGNot available
PCIe 8-pin (6+2)1175016-18AWGNot available
PCIe 8-pin (6+2)2170016-18AWGNot available
12V-2x61170016AWG600
SATA power6245518AWGNot available
4-pin Molex3145518AWGNot available
Source5Reviewkitguru.net/components/power-supplies/zardon/seasonic-core-gx-850-atx-3-reviewRead 15 October 2026Page 2 shows Seasonic's Cable Summary slide for the CORE GX ATX 3, 850 W column: MB 610 mm 1 cable with 20+4 pins, CPU 750 mm 2 cables with 4+4 pins, 12V-2x6 700 mm 1 cable, PCIe 750 mm 1 cable with 6+2 pins, PCIe 700 mm 1 cable with 16 pins to 2 x 6+2 pins, SATA 750 mm 2 cables with 3 connectors, Molex 690 mm 1 cable with 3 connectors. The review says both connector types support up to 600 W. The SATA and Molex lengths run to the last plug, so the first-plug lengths come from the Cybenetics report (455 mm for both). The page 3 photo of the modular panel shows one 12-pin PCIe socket, so the 16-pin to dual 8-pin cable shares that socket with the native 12V-2x6 cable. Wire gauges come from Cybenetics.6Measurementcybenetics.com/evaluations/psus/2750Read 15 October 2026Cables and Connectors table: ATX 20+4 pin 620 mm 16-18AWG, 2 x 4+4 pin EPS12V 750 mm 16AWG, one cable with 2 x 6+2 pin PCIe plugs 710 mm 16-18AWG, one 6+2 pin PCIe 750 mm 16-18AWG, 12+4 pin PCIe 700 mm (600W) 16-28AWG, 2 SATA cables of 455+155+155 mm with 6 plugs, one 4-pin Molex cable of 455+125+125 mm with 3 plugs, 18AWG, no in-cable capacitors. The 16-28AWG range of the 12V-2x6 cable includes the thin sideband wires, so the stored gauge is the 16AWG power wire. Seasonic's slide lengths are stored where they are first-plug lengths. Cybenetics measured 620 mm for the 24-pin cable and 710 mm for the dual 8-pin cable.8Retailer pageldlc.com/en/product/PB00657446.htmlRead 15 October 2026Power connectors: 2 x +12V (P8, 2 x P4), 6 x Serial ATA, 1 x ATX 20+4 pin, 3 x Molex (4 pin), 3 x PCI Express 6+2 pin, 1 x PCI Express 16 pin (12V-2x6).
CPU (EPS) connectors
2
2
PCIe 8-pin connectors
4
3
16-pin GPU connectors
1
1
SATA power connectors
6
6
4-pin Molex connectors
2
3

Fan

2 of 4 differ

Protection and parts

0 of 3 differ
Protections
All-Japanese capacitors
Not available
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

1 of 2 differ
Weight
Not available

In the box

1 of 1 differ

Warranty

0 of 1 differ

Both are also in the API. Back to all power supplies.