CORSAIR 1000 W PSU
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- 80 PLUS Gold
- Multi GPU support
- 120 mm fan
- 7 year guarantee
- Cybenetics Gold
- Multi GPU support
- 140 mm fan
- 10 years guarantee
- 80 PLUS Gold
- Multi GPU support
- 120 mm fan
- 7 year guarantee
- 80 PLUS Platinum
- Multi GPU support
- 7 year guarantee
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Discover our range of CORSAIR 1000 W PSU
The Corsair 1000 W PSU is a go-to choice for users who demand serious performance and long-term reliability from their power supply. Designed for high-end gaming rigs, content creation workstations, and enthusiast PC builds, this PSU provides stable, clean power for even the most demanding components. With modular design, quiet operation, and exceptional efficiency, it's one of the best choices for powering today's top-tier systems.
At the heart of the Corsair 1000W PSU is its 80 Plus Platinum certification. This ensures up to 92% efficiency at typical loads, meaning less energy is wasted as heat. That leads to lower electricity bills and quieter operation - perfect if you're working in a noise-sensitive environment or want to maximise airflow. The Corsair RM1000x and RM1000e series are standout models in this range, balancing premium build quality with user-friendly features.
A modular ATX power supply like the RM1000x allows you to connect only the cables you need. This reduces case clutter, improves ventilation, and makes future upgrades or swaps a breeze. Whether you're installing a high-performance GPU like the RTX 4080 or running a 16-core processor, the Corsair 1000W PSU handles it with ease and leaves room for future expansion.
In terms of value, Corsair offers excellent pricing for the features on offer. Even compared to some 1200W models, the 1000W PSU from Corsair hits a sweet spot - delivering more than enough power for most users without going overboard. If you're wondering whether it's enough for an RTX 3080, 3900 series CPU, or even a 4900, the answer is a confident yes.
Is a 1000W PSU enough for a 3080?
Yes, the Corsair 1000W PSU has more than enough headroom for an RTX 3080 and additional components.
Is the Corsair RM1000x good?
Absolutely. It's one of the most popular 1000W PSUs on the market, known for reliability, efficiency, and quiet performance.
Is 1000W enough for 3900 or 4900?
Yes. Whether you're running a Ryzen 9 3900X or a newer 4900 chip, a 1000W PSU provides stable, ample power
- 29.9% APR
Representative (variable) - 29.9%
interest rate (variable) - £1,200
Assumed Credit Limit
*Representative example
Credit, offers and APR are subject to status and determined by the lender. 18+. Requires a Currys flexpay running credit account. Promotional interest rates may be offered on selected products from time to time. Minimum spend & exclusions apply. Missed payments may incur late fees/charges and impact your credit file.
Currys Group Limited is a credit broker under exclusive arrangements with the lender Creation Consumer Finance Ltd. Authorised & regulated by the Financial Conduct Authority.
Buy now, pay later (BNPL): Pay full balance by the end of the BNPL promotion period to avoid interest. Any balance left to pay at the end of your BNPL promotion period will incur interest from the date of your purchase.
Information about your installation
Our trusted partner OrderWork will install this item for you.
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Pay for your item and installation now. Once your order’s confirmed, OrderWork will email you to book your installation which will happen on a separate day to your item being delivered by Currys.
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An adult aged 18 or over must be present for the installation to go ahead.
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Removal and disposal of packing is not included.
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If you're a tenant, you should get permission from your landlord for the installation to be completed. ​
Read our full terms and conditions.