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Corsair · 1000 W · ATX

Corsair RM1000x Shift

ATX 3.0 · 80 PLUS Gold · Modular

Capability
80
Cap / price
31
Wattage value
31
Amazon
$257
Corsair RM1000x Shift
View Corsair RM1000x Shift Gallery in high resolution
$257
Available on Amazon Updated Aug 30, 2026 Prime FBA
Capability80.2
Capability / price31.3
Wattage value31.2
$257 on Amazon PSU table Compare this PSU

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Written analysis

Corsair RM1000x Shift at a glance

The Corsair RM1000x Shift is a 1000 W ATX power supply built to the ATX 3.0 generation. Efficiency is listed as 80 PLUS Gold. Cables are modular. It supports fan-stop at low load.

The calculated capability score is 80.2, averaging the available wattage, recorded efficiency percentage, and warranty inputs against fixed references. Listed warranty is 10 years. +12V output is 83 A.

Best fit: Systems whose component power budget calls for a supply rated at 1000 W or more.

Platform and cooling

Dimensions are listed as 180mm x 150mm x 86mm. Cooling fan size is 140 mm. The unit uses 1 +12V rail at up to 83.00 A per rail. Certifications include 80 PLUS Gold.

Current value

At $257, price per kilowatt is $256.54. Capability / price is 31.3 and wattage value is 31.2. Compare nearby supplies below; wattage alone does not determine value.

Unit data

Full specifications

Wattage, efficiency, platform size, electrical outputs, connectors, cooling, and value in one technical sheet.

General

Manufacturer
Corsair
PSU
Corsair RM1000x Shift
Launch price
—
Amazon price
$257
Amazon availability
Available
Price updated
Aug 30, 2026

Power & efficiency

Wattage
1000 W
Efficiency
80 PLUS Gold
Recorded efficiency
91%
Warranty
10 years

Value

Amazon price
$257
Price / kW
$256.54
Capability
80.2
Capability / price
31.3
Wattage value
31.2

Platform & size

ATX generation
3.0
Form factor
ATX
Dimensions
180mm x 150mm x 86mm
Modular
Yes
Fanless
No

Electrical

Input voltage
100-240
+12V output
83 A
+5V output
20 A
+3.3V output
20 A
+12V rails
1
Max amps / rail
83.00 A

Cooling & build

Fan size
140 mm
Fan stop
Yes
Certifications
80 PLUS Gold

Additional information

Also listed as
RM1000x Shift
Color
White

Amazon

Price history

Nearby capability

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Vendor copy

Amazon listing details

Marketplace feature text kept for reference. Structured specifications above are the source for scores and comparisons.

Innovative Easy-Access Connection Position: Modular connections on the side of the PSU mean easier access for your cables and simpler, cleaner cable management.

Fully Modular Micro-Fit PSU Connectors: CORSAIR Type 5 Gen 1 micro-fit PSU cables mean you only connect the cables your system needs while taking up less space.

140mm Fluid Dynamic Bearing Fan: Utilises a specially calculated fan curve for high performance, low noise, and superior reliability.

Intel ATX 3.1 Certified: Compliant with the ATX 3.1 power standard, supporting the PCIe Gen 5.1 platform and resisting transient power spikes.

100% 105°C-Rated Japanese Electrolytic Capacitors: Premium internal components deliver unwavering power delivery and long-term reliability.

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