Corsair RMx SHIFT Series 1000W 80+ Gold Fully Modular Power Supply



  • 1000 W Wattage
  • Full Modular
  • 80 PLUS Gold
  • Black Colour
  • 10 Year Warranty
  • CP-9020253-UK
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£190.49 inc. VAT.


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for Free Next Day


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Product Description

Corsair RMx SHIFT Series 1000W 80+ Gold Fully Modular Power Supply

CORSAIR RMx SHIFT Series fully modular power supplies boast a revolutionary side cable interface to keep all your connections within quick reach, for exceptionally convenient 80 PLUS Gold efficient power. With fully modular micro-fit connections and ATX 3.0 compliance, RMx SHIFT makes clean PC builds and upgrades even easier. RMx SHIFT PSUs use Japanese 105°C-rated electrolytic capacitors, for long life and reliability backed by a ten-year warranty. A 140mm fluid dynamic bearing fan utilizes a specially calculated fan curve for high performance and reliability with low noise, while Zero RPM mode support ensures virtually silent operation at low and medium loads. For quiet, efficient, and accessible power, put an RMx SHIFT Series PSU on your side.

  • 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: Utilizes a specially calculated fan curve for high performance, low noise, and superior reliability.
  • Intel ATX 3.0 Certified: Compliant with the ATX 3.0 power standard, supporting the PCIe Gen 5 platform and resisting transient power spikes.
  • 100% 105°C-Rated Japanese Electrolytic Capacitors: Premium internal components deliver unwavering power delivery and long-term reliability.
  • Modern Standby Compatible: Extremely fast wake-from-sleep times and better low-load efficiency.
  • 80 PLUS Gold Certified: Steady power output at up to 90% efficiency, and Cybenetics-certified for lower power consumption, less noise, and cooler temperatures.
  • Zero RPM Fan Mode Support: At low and medium loads the cooling fan switches off entirely for near-silent operation.
  • Resonant LLC Topology with DC-to-DC Conversion: Provides clean, consistent power and enables use of more energy-efficient sleep states.

Note: The content above is generic for the series.
For Correct info about this particular model, please refer to Specifications section.

Technical Specifications

Condition New
Product Identifiers
MPN CP-9020253-UK
EAN 840006653974
Type Power Supply
Brand Corsair
Series RMx SHIFT
Model CP-9020253-UK
Key Specifications
Power Supply Form Factor ATX 3.0
Wattage 1000 W
80 PLUS Certification 80 PLUS Gold
Modular Yes
Modularity Full Modular
SLI/CrossFire No
Motherboard Connector 24-pin
Connectors 1 x 16-pin PCIe | 2 x 4+4-pin CPU +12V (EPS) | 8 x 4-pin Molex | 7 x 6+2-pin PCIe | 16 x SATA
Other Specifications
Warranty 10 Year
Colour Black
Dimensions 150 x 86 x 180 (WxHxD)

Frequently Asked Questions

What payment method do you accept?

At checkout, you can explore our payment methods. Choose from either credit/debit card, or PayPal Express Checkout. You can also purchase via PayPal Pay in 3. Pay in 3 eligibility is subject to status and approval.

When will I receive my order?

At Box, we offer free next-day delivery on all items! Order before 3pm to quality for free next working day delivery. We aim to process and deliver all orders in the expected delivery timeframes as specified during the checkout process. Orders made on a Saturday or Sunday will be processed on the next working day. Excludes Bank Holidays

What's the process of return and replacement?

If your item has developed any faults that is not caused by physical damage, liquid damage, neglect, misuse, normal wear & tear, and it is still within the warranty period covered by the manufacturer, please simply contact BOX Warranty support at for repairs or exchange.

How many days it will take for the return procedure?

Once we receive your item back at our premises, it may take up to 5 working days to process the return. This could be bit longer during the peak times. Please email us at if you have any questions pertaining your return.

What if my Product is not as described?

In the rare event if your item is not as described, please send us an email at with the details and we will organise a free return and a replacement for you.

Can I return or get a refund for my order if I have change of mind?

Yes, we offer refund policy to all BOX customers. If you change your mind, you can return the goods at your expense via Insured (to cover the cost of the goods) & Signed for service within 30 days and we will issue full refund.