Twitter
Facebook
You Tube
Blog
Forum

Power Supply Unit

The humble computer power supply unit (PSU) is very often overlooked when upgrading or building a PC. However, if the PSU is underpowered for all the components then this can lead to instability or crashes. Modern Graphics Cards especially can require quite a hefty power supply, so ensure you choose one which more than covers the wattage required of all of your components. Then to save on those costly energy bills it's worth going for an 80 Plus™ bronze rated unit.

The 80 Plus™ mark certifies products that have more than 80% energy efficiency at 20%, 50% and 100% of rated load and a power factor of 0.9 or greater at 100% load. Then if you want to keep your cabling tidy, a modular unit helps remove unnecessary clutter and leaves your case interior free and clear.

With Novatech's extensive range of brands ranging from Corsair to BeQuiet!, you'll find a PSU to suit your needs with us.

Check out our range of Power Supply Units below.

Showing 25 to 48 of 139

Items per page:
CORSAIR RM Series RM850 80 PLUS Gold Fully Modular ATX Power Supply
850W, 80 Plus Gold, Fully Modular, 140mm Rifle Fan, Zero RPM mode, 105°C Rated Capacitors, 10 Year Warranty
3 in stock More information about stock Next Day Delivery only £5.99*

Stock Code: CSR-RM850F
Manf Code: CP-9020196-UK

£99.98 inc vat

£83.32 ex vat

 

Be quiet Dark Power Pro 11 550W 80 Plus Platinum Semi-Modular Power Supply
550W, 80 Plus Platinum, Semi-Modular, Virtually inaudible operation, 5 Year Warranty.
3 in stock More information about stock Next Day Delivery only £5.99*

Stock Code: BQ-BN250
Manf Code: BN250

£136.49

£129.97 inc vat

£108.31 ex vat

You save £6.52

Cooler Master MasterWatt 650 Bronze Rated Power Supply
650W, 80plus Bronze, Semi-fanless, Modular, UK Cable
2 in stock More information about stock Next Day Delivery only £5.99*

Stock Code: CM-MAWA650
Manf Code: MPX-6501-AMAAB-UK

£64.99 inc vat

£54.16 ex vat

 

BeQuiet! System Power 9 500W Power Supply
500W, 80 Plus Bronze, Non-Modular, Active PFC, 120mm Silent Wings Fan
2 in stock More information about stock Next Day Delivery only £5.99*

Stock Code: BQ-BN246
Manf Code: BN246

£45.98 inc vat

£38.32 ex vat

 

CORSAIR RM Series RM650 80 PLUS Gold Fully Modular ATX Power Supply
650W, 80 Plus Gold, Fully Modular, 140mm Rifle Fan, Zero RPM mode, 105°C Rated Capacitors, 10 Year Warranty
2 in stock More information about stock Next Day Delivery only £5.99*

Stock Code: CSR-RM650F
Manf Code: CP-9020194-UK

£84.98 inc vat

£70.82 ex vat

 

CORSAIR RMx Series RM850x (2018) 80 PLUS Gold Fully Modular ATX Power Supply
850W, 80 Plus Gold, Fully Modular, 100% Japanese 105°C Capacitors, Zero RPM Mode, 10 year Warranty
2 in stock More information about stock Next Day Delivery only £5.99*

Stock Code: CSR-RM850X
Manf Code: CP-9020180-UK

£104.99 inc vat

£87.49 ex vat

 

SeaSonic SS-600ES 600W ATX/PS2 Power Supply - 600W 80 PLUS Bronze Certified Non Modular PSU OEM
2 in stock More information about stock Next Day Delivery only £5.99*

Stock Code: SS-600ES
Manf Code: SS-600ES

£93.40 inc vat

£77.83 ex vat

 

Gigabyte AORUS P750W 80+ GOLD Fully Modular Power Supply
750W, Fully Modular, 80 Plus Gold, 135mm Bouble Ball bearing Fan, Active PFC, Flat Black Cables
2 in stock More information about stock Next Day Delivery only £5.99*

Stock Code: GIG-P750W
Manf Code: GP-AP750GM-UK

£99.98 inc vat

£83.32 ex vat

 

EVGA 500B ATX Power Supply
500W, 80 PLUS Bronze, Non-Modular, 3 Year Warranty
1 in stock More information about stock Next Day Delivery only £5.99*

Stock Code: EVG-500B
Manf Code: 100-B1-0500-K3

£54.34 inc vat

£45.28 ex vat

 

BeQuiet! pure power 11 500W CM PSU/Power Supply
500W, Semi-Modular, 80 Plus Gold, up to 18.8dBA, 120mm Fan, Rifle Bearing, Active PFC, 5 Year Warranty
1 in stock More information about stock Next Day Delivery only £5.99*

Stock Code: BQ-BN297
Manf Code: BN297

£64.99 inc vat

£54.16 ex vat

 

*B-stock item -90 days warranty* - GIGABYTE B700H ATX Power Supply
700W, 80 PLUS Bronze, Semi-Modular, 90 Days Warranty
1 in stock More information about stock Next Day Delivery only £5.99*

Stock Code: B-B700H
Manf Code: B-GP-B700H

£51.98

£41.39 inc vat

£34.49 ex vat

You save £10.60

BitFenix Alchemy 2.0 PSU Cable Kit EVG-Series - Black & Yellow
Modular Cable Kit for EVGA and Super Flower Power Supplies
1 in stock More information about stock Next Day Delivery only £5.99*

Stock Code: BIT-A2EVKY
Manf Code: BFX-ALC-EVGKY-RP

£79.99 inc vat

£66.66 ex vat

 

BitFenix Alchemy 2.0 PSU Cable Kit EVG-Series - Red
Modular Cable Kit for EVGA and Super Flower Power Supplies
1 in stock More information about stock Next Day Delivery only £5.99*

Stock Code: BIT-A2EVR
Manf Code: BFX-ALC-EVGRR-RP

£79.99 inc vat

£66.66 ex vat

 

BeQuiet! Straight Power 11 650W Power Supply
650W, 80 Plus Gold, Fully Modular, up to 17.22 dBA, 5-Year Warranty
1 in stock More information about stock Next Day Delivery only £5.99*

Stock Code: BQ-BN282
Manf Code: BN282

£104.99 inc vat

£87.49 ex vat

 

BeQuiet! Straight Power 11 750W Power Supply
750W, 80 Plus Gold, Fully Modular, up to 17.22 dBA, 5-Year Warranty
Dispatches within 1 - 3 Days More information about stock Next Day Delivery only £5.99*

Stock Code: BQ-BN283
Manf Code: BN283

£114.98 inc vat

£95.82 ex vat

 

BeQuiet! Straight Power 11 850W Power Supply
850W, 80 Plus Gold, Fully Modular, up to 17.22 dBA, 5-Year Warranty
Ordered Upon Request More information about stock Next Day Delivery only £5.99*

Stock Code: BQ-BN284
Manf Code: BN284

£139.97 inc vat

£116.64 ex vat

 

BeQuiet! Straight Power 11 1000W Power Supply
1000W, 80 Plus Gold, Fully Modular, up to 17.22 dBA, 5-Year Warranty
Dispatches within 1 - 3 Days More information about stock Next Day Delivery only £5.99*

Stock Code: BQ-BN285
Manf Code: BN285

£169.98 inc vat

£141.65 ex vat

 

BeQuiet! pure power 11 400W PSU/Power Supply
400W, Non-Modular, 80 Plus Gold, up to 14.9dBA, 120mm Fan, Rifle Bearing, Active PFC, 5 Year Warranty
Dispatches within 1 - 3 Days More information about stock Next Day Delivery only £5.99*

Stock Code: BQ-BN292
Manf Code: BN292

£49.99 inc vat

£41.66 ex vat

 

BeQuiet! pure power 11 500W PSU/Power Supply
500W, Non-Modular, 80 Plus Gold, up to 21.6dBA, 120mm Fan, Rifle Bearing, Active PFC, 5 Year Warranty
Dispatches within 1 - 3 Days More information about stock Next Day Delivery only £5.99*

Stock Code: BQ-BN293
Manf Code: BN293

£59.99 inc vat

£49.99 ex vat

 

BeQuiet! pure power 11 600W PSU/Power Supply
600W, Non-Modular, 80 Plus Gold, up to 22.9dBA, 120mm Fan, Rifle Bearing, Active PFC, 5 Year Warranty
Dispatches within 1 - 3 Days More information about stock Next Day Delivery only £5.99*

Stock Code: BQ-BN294
Manf Code: BN294

£64.99 inc vat

£54.16 ex vat

 

BeQuiet! pure power 11 700W PSU/Power Supply
700W, Non-Modular, 80 Plus Gold, up to 25.9dBA, 120mm Fan, Rifle Bearing, Active PFC, 5 Year Warranty
Dispatches within 1 - 3 Days More information about stock Next Day Delivery only £5.99*

Stock Code: BQ-BN295
Manf Code: BN295

£79.98 inc vat

£66.65 ex vat

 

BitFenix Alchemy 2.0 PSU Cable Kit EVG-Series - White
Modular Cable Kit for EVGA and Super Flower Power Supplies
Ordered Upon Request More information about stock Next Day Delivery only £5.99*

Stock Code: BIT-A2EVW
Manf Code: BFX-ALC-EVGWW-RP

£79.99 inc vat

£66.66 ex vat

 

Be Quiet! BN226 SFX Power 2 SFX Power Supply 300W 80 PLUS Bronze Non-Modular PSU
Its design supports the latest technologies and efficiency standards, while providing solid voltages and enough power to support a discrete PCIe graph
Dispatches within 1 - 3 Days More information about stock Next Day Delivery only £5.99*

Stock Code: BQ-BN226
Manf Code: BN226

£49.98 inc vat

£41.65 ex vat

 

Be Quiet! BN228 TFX Power 2 TFX Power Supply 300W 80 PLUS Bronze Non-Modular PSU
Its design supports the latest technologies and efficiency standards, while providing solid voltages and enough power to support a discrete PCIe graph
Dispatches within 1 - 3 Days More information about stock Next Day Delivery only £5.99*

Stock Code: BQ-BN228
Manf Code: BN228

£49.98 inc vat

£41.65 ex vat

 

Novatech Live Chat

Need help finding a product or have a technical question?
Our experts are on hand to answer any questions. Chat to them right now!

Showing products 25 to 48 of 139 (6 Pages)

Understanding your power supply unit

The power supply unit (PSU) of a computer is often overlooked by our customers when upgrading their PCs. However, while many people prioritise their attention and spending on a motherboard or graphics card, a PSU is just as important. At the end of the day, a power supply unit does what it says on the box – it powers all the components in your computer. If your PSU is underpowered for all the components in a PC, then this can lead to instability or crashes. After all, a high-end graphics card isn’t going to be of much use without the sufficient power to run it.

What to consider when buying a power unit supply

Components such as modern Graphics Cards in particular can require a large power supply, so ensure that you choose a PSU that covers the wattage requirements for all of your components. Intimately knowing your PC build like this will prevent a lot of stress for the future of your PC. Considering details such as the size of your chassis and the correct PSU connections required for your build will help your entire system to run much smoother.

It is recommended that you get a PSU that will be more than powerful enough to reliably operate all a PC’s components. This will also future-proof your system for any potential power-demanding hardware upgrades that you may purchase in the future.

The POWER of a Power Supply Unit

A Power Supply Unit operates within your computer by converting the voltage of the power from the alternating current (AC) into a direct current (DC) to be utilised for the various PC components inside a chassis. This works through a switched-mode power supply that substantially increases the efficiency of converting the electrical power required for your PC.

Make sure to make a note the wattage rating of a computer’s power supply unit before purchasing. This indicates the amount of power that it can provide to your system. A PSU that boasts a higher-wattage will supply more power, with the average desktop power supply providing around 200W – 1800W. However, a PSU’s maximum power will be required to push its limits and effectively run all your computer’s components.

The quality of a power supply unit can be found by looking at its 80 PLUS rating. The 80 Plus™ mark certifies products that have more than 80% energy efficiency at 20%, 50% and 100% of rated load and a power factor of 0.9 or greater at 100% load.

More about Power Supplies

We have a huge range of Power Supplies in stock from all the top brands, including Corsair, EVGA, Bitfenix, BeQuiet and more.

Choosing the right Power Supply for you

The wattage of your Power Supply is very important and will vary on what you are using your PC for. For example if you're running a beastly Gaming PC with a top of the range NVIDIA GeForce GTX 1070 Series Graphics Card, you'll probably wanting to be looking at an 700W+ PSU realistically to ensure smooth, uninterrupted gameplay.