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power supplies psu for your desktop computer

upgrade your computer with a powerful but energy saving power supply

Gaming Laptops and Desktop PricesPower Supplies are essential bits of kit in powering your system from small mini-atx or media systems through to traditional desktop tower computers. Typically a 350w-450w will be more than enough to keep most systems running. If you are a heavy user with lots of drives, powerful graphics cards, video editing and latest tech you should replace at least like for like or go up, ~500w-750w etc. ATX Power Supplies are the most common.

Always choose a well known brand, cheaper units are just that cheap and will use cheaper components which typically fail more often, and cause more hanging, cutouts, or general sluggish system stability.



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Antec Neo Eco 520C - Power supply ( internal ) 80 Plus

Get economical power today with the Neo ECO 520C, Antec's high-efficiency power supply solution. Featuring 80 PLUS certification, a quiet double ball bearing 120 mm fan, and universal input with active power factor correction, the Neo ECO 520C gives you a cooler, quieter system all powered by 520 watts of continuous power.


£47.44 - more >>>

StarTech.com 530 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC

Build or upgrade a computer system with an energy efficient and reliable 530 Watt ATX power supply. The ATX2PW530WH 530 Watt 80 Plus Power Supply offers an energy efficient replacement or upgrade for powering your desktop PC. Operating at a minimum of 80% efficiency between 20% and 100% load, 80 Plus power supplies deliver a significant improvement over standard-efficiency power supplies that helps reduce energy consumption and cost of operation. This versatile power supply is equipped to support AMD or Intel CPU-based servers and workstations with a combined 20/24-pin motherboard connection, and an 8-pin EPS connector.


£47.96 - more >>>

Antec VP700P - Power supply ( internal ) - AC 230 V - 700 Watt`

The VP700P is crafted for quality, performance and incredible value. This entry-level solution gives you everything you need in a power supply. No twinkly lights or glittery paint jobs - a 120 mm fan for effective and quiet cooling, dual +12 V rails for amazingly stable power and heavy-duty protection circuitry for peace of mind, no matter how demanding your system. All the features, none of the waste: for builders that are strictly business, the VP700P is strictly power.


£48.12 - more >>>

Corsair 500 Watt Builder Series CX 500 Modular Power Supply

CX Series modular power supply units are an excellent choice for basic system builds and desktop PC computer upgrades, offering high reliability, low noise, and easy installation. The flexible modular cabling system lets you use only the cables you need, and 80 PLUS Bronze certified efficiency means less excess heat, lower noise, and lower power bills. The large-diameter, thermally controlled fan makes the CX Series modular quieter at idle


£49.00 - more >>>

StarTech.com 550 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC

Build or upgrade a computer system with an energy efficient and reliable 550 Watt ATX power supply. The ATX2PW550WH 550 Watt 80 Plus Power Supply offers an energy efficient replacement or upgrade for powering your desktop PC. Operating at a minimum of 80% efficiency between 20% and 100% load, 80 Plus power supplies deliver a significant improvement over standard-efficiency power supplies that helps reduce energy consumption and cost of operation. This versatile power supply is equipped to support AMD or Intel CPU-based servers and workstations with a combined 20/24-pin motherboard connection, and an 8-pin EPS connector.


£49.29 - more >>>

StarTech.com 450 Watt ATX12V 2.3 80 Plus Bronze Computer Power Supply w/ Active PFC

The ATX2PW450BR 450 watt 80 Plus Bronze power supply offers an energy efficient replacement or upgrade for powering your desktop PC. Operating at an 82% to 85% efficiency between 20% and 100% load, 80 Plus Bronze power supplies deliver a significant improvement over standard-efficiency power supplies that helps reduce energy consumption and cost of operation. This versatile power supply is equipped to support AMD or Intel CPU-based servers and workstations with a combined 20/24-pin motherboard connection, and an 8-pin EPS connector.


£51.62 - more >>>

CoolerMaster 700W B-Series B700W Power Supply

The reliable, efficient and premium line of B power supplies is ideal for mainstream and basic computing systems. Built with quality components and dual +12 V outputs, the B series can handle demands of high power requirements. In addition to the stable and clean power, the highly developed features incorporated include worry-free protection system and Green Power design to meet ENERGY STAR, Blue Angel, and ErP 2010 requirements.


£53.16 - more >>>

Be Quiet BN230 Straight Power 10 Power Supply 400 Watts

Be quiet! Straight Power 10 400W provides a new level of silent performance for systems that demand whisper-quiet operation without facing the slightest compromise in power quality. The German team has updated and designed even more premium features into this generation of the Straight Power series, which make the Straight Power 10 400W more silent than ever and a clear 'Best Choice' for new systems and as a replacement in existing systems.


£53.43 - more >>>

StarTech.com 630 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC

Build or upgrade a computer system with an energy efficient and reliable 630 Watt ATX power supply. The ATX2PW630WH 630 Watt 80 Plus Power Supply offers an energy efficient replacement or upgrade for powering your desktop PC. Operating at a minimum of 80% efficiency between 20% and 100% load, 80 Plus power supplies deliver a significant improvement over standard-efficiency power supplies that helps reduce energy consumption and cost of operation. This versatile power supply is equipped to support AMD or Intel CPU-based servers and workstations with a combined 20/24-pin motherboard connection, and an 8-pin EPS connector.


£53.54 - more >>>

Corsair 600W Builder Series CX Series CX 80+ Bronze ATX Power Supply

The CX Series is an ideal solution for those who want a no-nonsense, reliable power supply that's designed for maximum compatibility. Unlike other PSUs in its price range, the CX series is rated for continuous power output for maximum compatibility and reliability, and it carries the 80 Plus® Bronze certification for efficiency. A great budget choice. - Corsair engineering and quality control - Plentiful connectors and long cables - 80 PLUS® Bronze Certified efficiency - Large diameter, thermally controller fan - Black housing and all-black sleeved cables and connectors - 3 Years Manufacturers Warranty **Specifications** - Model: CX600 - AC Input: 100-240V - Input Current: 10-5A - Frequency: 47~63Hz - Max Load Max Output: +3.3V 120W 25A, +5V 25A 130W, +12V 46A 552W, -12V 9.6W 0.8A


£53.61 - more >>>

Corsair 450W CS450M CSM Semi-Modular 80+ GOLD Certified Power Supply

Corsair CS MODULAR Series power supplies are an excellent choice for mid-range system builds and most desktop PC computer upgrades. CS-M PSUs are semi-modular and feature 80 PLUS Gold rated efficiency that saves you money on your power bill while generating less heat than many other power supplies. The modular flat black cables allow users fast, neat builds. DC to DC technology ensures 100% compatibility with 4th Generation Intel Core processors. - The Perfect Choice For Your PC - CS MODULAR Series power supplies are a perfect choice for either new builds or PC desktop upgrades with high-efficiency and low noise. - 80 PLUS Gold-certified Efficiency - Highly efficient CS MODULAR Series power supplies produce less heat and have lower operating costs. - Flat black, Low-Profile Modular Cables - You can remove unneeded cables and leave them in the box for fast, easy, and great-looking builds. - Reliable, Continuous Power Delivery - CS MODULAR Series power ratings are continuous, not peak, for superior protection for your valuable PC


£54.21 - more >>>

Antec 520W HCG-520M High Current Gamer ATX Power Supply

Antec's high current power supply is the perfect PSU combination of power and efficiency. The High Current Gamer features a high-power +12 V rail and special heavy-duty high current connectors and cabling that supply extreme levels of power, and also superb efficiency thanks to 80 PLUS bronze certification and active PFC. If loads of power, high current engineering and extreme efficiency are what you're after, the High Current Gamer is the PSU for you.


£55.44 - more >>>

CoolerMaster B700 Power Supply Unit

The very successful B-series has been revised. A complete circuit layout and components make it compliant to the regulations. The biggest difference for the B-series is that it only has a single rail +12 V DC out with a max current of 38 A. This now means that all Cooler Master power supplies makes use of a single rail instead of multi rail.


£55.44 - more >>>

Zalman ZM550-XG 550W XG Gold Modular Power Supply

Built-in circuits protects against voltage surges, current surges, power surges, low tension, short circuiting, and overheating. Smart fan control system optimizes thermal control while minimizing noise levels.


£57.96 - more >>>

XIGMATEK 700W Tauro 80 Plus Bronze Power Supply

Powerful and efficient during warfare and a master of weapons - what is it that you expect from your power supply's nowadays. Tauro series PSUs will become your new heroes. Extreme efficient, meshed cable management, stability on all rails, low noise and 80 plus Bronze certification are some of advantages of our new PSUs. - Quiet, stable, and efficient power supply with 80Plus Bronze certificate. - Very stable voltage regulation and very clean DC output quality. - 12V single rail with high compatibility to support high-end system configuration. - Over 85% efficiency and meet official 80Plus Bronze certificate. - Highly compatibility by single 12V rail for high-end system configuration


£58.00 - more >>>

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