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PC parts / Power supplies

CORSAIR RM1000e (2025)
Power
1,000W
Efficiency
Cybenetics Platinum
Modular cables
Fully modular
ATX version
ATX 3.1

52 of 66 fields known.

All specs

SourceCalculated

General

Announced
Not available
Predecessor
Not available
Successor
Not available
Launch price (EU)
Not available
Markets
Not available
ATX version
ATX 3.11Maker 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 2026
PCIe CEM version
PCIe 5.11Maker 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 2026Page says PCIe 5.1 compatible.

Power

Full power rated up to
Not available
12V rail design
Single rail6Reviewhwbusters.com/psus/corsair-rm1000e-atx-v3-1-psu-reviewRead 14 October 2026Technical specifications: Number of 12V rails 1.
Alternative low power mode (ALPM)
Yes5Measurementcybenetics.com/evaluations/psus/2624Read 14 October 2026Temperature and Compliance Info: ALPM (Alternative Low Power Mode) compatible, checked.

Certifications

80 PLUS rating
Not available
Cybenetics efficiency at 230V
Cybenetics Platinum5Measurementcybenetics.com/evaluations/psus/2624Read 14 October 2026ETA Platinum at 230V (badge image).
Cybenetics noise at 115V
A-5Measurementcybenetics.com/evaluations/psus/2624Read 14 October 2026LAMBDA A- at 115V (badge image). The maker page also says Cybenetics Noise A-.
Cybenetics noise at 230V
A-5Measurementcybenetics.com/evaluations/psus/2624Read 14 October 2026LAMBDA A- at 230V (badge image).

Measured

Average efficiency at 115V (measured)
89.483%5Measurementcybenetics.com/evaluations/psus/2624Read 14 October 2026Average over more than 1450 load combinations at 115V. Tested Oct 31, 2024 on sample serial A9DAF4420003AV. Ambient 28-32 C.
Average efficiency at 230V (measured)
91.576%5Measurementcybenetics.com/evaluations/psus/2624Read 14 October 2026Average over more than 1450 load combinations at 230V.
Light-load efficiency at 115V (measured)
70.962%5Measurementcybenetics.com/evaluations/psus/2624Read 14 October 2026Efficiency at 2% load (more than 500 W unit) at 115V.
Average power factor at 115V (measured)
0.9755Measurementcybenetics.com/evaluations/psus/2624Read 14 October 2026Average over more than 1450 load combinations at 115V.
Average noise at 115V (measured)
25.54dB(A)5Measurementcybenetics.com/evaluations/psus/2624Read 14 October 2026Average over more than 1450 load combinations at 115V. Ambient 28-32 C. Bruel and Kjaer 2270 G4 sound analyzer. The 230V average is 25.32 dBA.
Noise at full load at 115V (measured)
46.7dB(A)5Measurementcybenetics.com/evaluations/psus/2624Read 14 October 2026Typical load tests at 115V, 100% load row: 46.7 dB(A) at 2094 rpm fan speed, ambient about 30 C.
Standby power with no load at 115V (measured)
0.0481W5Measurementcybenetics.com/evaluations/psus/2624Read 14 October 2026Standby power consumption at 115V with no load on +5VSB.
Hold-up time (measured)
16.4ms5Measurementcybenetics.com/evaluations/psus/2624Read 14 October 2026Hold-Up Time and PWR_OK Signal: hold-up time 16.4 ms, AC loss to PWR_OK 13.8 ms, at maximum continuous load. Report 2624.
12V ripple at full load (measured)
30.07mV5Measurementcybenetics.com/evaluations/psus/2624Read 14 October 2026Non-accredited measurement. 12V ripple at full load at 115V. At 230V it is 31.31 mV.
12V load regulation (measured)
0.81%5Measurementcybenetics.com/evaluations/psus/2624Read 14 October 2026Non-accredited measurement. 12V load regulation at 115V. The 230V figure is also 0.81%.

Cables and connectors

Cables
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.
CPU (EPS) connectors
2
PCIe 8-pin connectors
4
16-pin GPU connectors
1
SATA power connectors
6
4-pin Molex connectors
2
Cable style
Embossed or debossed flat1Maker 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 2026Page lists ultra-flexible embossed cables. The cable listing says Debossed for every cable. Tom's Hardware calls them individually sleeved, which Corsair does not.

Fan

Fan mode switch
No7Reviewtomshardware.com/pc-components/power-supplies/corsair-rm1000e-atx-3-1-power-supply-reviewRead 14 October 2026External Appearance: the RM1000e does not include a dedicated button for hybrid fan mode. It has Zero RPM Fan Mode.

Protection and parts

Protections
Over-current (OCP), Over-voltage (OVP), Under-voltage (UVP), Over-power (OPP), Over-temperature (OTP), Short-circuit (SCP), No-load (NLO), Surge and inrush (SIP)3Owner's manualcorsair.com/explorer/diy-builder/power-supply-units/corsair-rme-series-2025Read 14 October 2026Safety and Protection section lists OVP, UVP, OCP, OTP, SCP and OPP. NLO and SIP come from the Cybenetics report.5Measurementcybenetics.com/evaluations/psus/2624Read 14 October 2026Protection Features (Manufacturer) lists OPP, +12V OCP, OTP, SCP, surge protection and inrush current protection. The protection tests tick NLO. Fan failure protection is not ticked.
All-Japanese capacitors
Not available
MTBF (claimed)
100,000h1Maker 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 2026Tech Specs tab: MTBF Hours 100,000 hours. The test temperature is not stated.

Monitoring and lighting

We could not find any of these 4 fields. Show them
Software monitoring
Not available
Software
Not available
Built-in power display
Not available
RGB lighting
Not available

Dimensions and weight

Front and side, drawn to scale.

Weight
1.65kg(3.6 lb)6Reviewhwbusters.com/psus/corsair-rm1000e-atx-v3-1-psu-reviewRead 14 October 2026Technical specifications: 1.65 kg (3.64 lb). The review does not say whether cables are included. Corsair's 3 kg figure is most likely a packed weight, so it is not stored.

In the box

In the box
Power Supply, AC Cable, DC Cables, Cable Ties, Mounting Screws, Safety Leaflet3Owner's manualcorsair.com/explorer/diy-builder/power-supply-units/corsair-rme-series-2025Read 14 October 2026RM1000e Specifications, Package Contents.

Warranty

Manufacturer warranty (source market)
7years1Maker 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 2026Tech Specs tab: Warranty 7 Year. The page is corsair.com US, so the market is US.

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Variants

Each variant lists only what differs from the specs above.

Model numberGTINLaunch price (US)MarketsColours
CP-9020297-NANot available$169.99Not availableBlack
CP-9020294-NANot availableNot availableNot availableWhite
CP-9020297-EU840006691327Not availableEUNot available

Sources

We read 9 sources for this power supply. The numbers match the markers in the sheet.

  1. Read 14 October 2026Backs 22 fields
  2. Read 14 October 2026Backs 2 fields
  3. Read 14 October 2026Backs 6 fields
  4. Read 14 October 2026Backs 2 fields
  5. Read 14 October 2026Backs 28 fields
  6. Read 14 October 2026Backs 6 fields
  7. Read 14 October 2026Backs 3 fields
  8. Read 14 October 2026Backs 3 fields
  9. Read 14 October 2026Backs 1 field

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