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Internal Power Supply Units (PSU) for Desktops / Switches and Servers

Find Internal PSUs from Akasa, Antec and Startech and other leading brands

Internal power supply units (PSUs) usually cost under £75, even for powerful 630W products. We stock a range of ATX 12V internal supplies from leading brands such as Akasa, Antec and Startech. Search our range now to find a great deal on 430W, 450W, 530W, 630W and 850W+ PSUs. In addition, we carry a range of enterprise products from Cisco and other brands, for PSUs mated to switches and other storage / networking products.

What PSU should I buy for my PC Computer?

While many buyers select ATX supplies with the highest wattage, it's wise to first to narrow down your selection based on a power supply’s efficiency rating. Look for units with “80 Plus” certification - meaning 80 percent the PSU's rated wattage is supplied as power to the PC, with the remaing 20% being lost as heat. 80 plus certification has different ratings within the standard, with 80 plus Gold and Platinum being the most efficient PSUs available.

It's also worth knowing that a desktop system's components - not the power supply itself - dictate its power consumption. So a 1000W supply does not automatically use more power than a 850W power supply, instead depending upon the draw from a PC's hardware, peripherals, motherboard and CPU components under load.

Look also for a PSU with 20+4 pin connectors, meaning that its supply can function either as a 20-pin connector or a 24-pin connector. Larger cooling fans - for example a 135mm fan on a 850 Watt PSU - also move more air while offer lower noise (dB) levels than cheaper small fan equipped units.

Fimally, look for modular power supplies, which offer an advantage over hard-wired versions in that you can add / remove cabling from the PSU to avoid cluttering your PC's internals.

Internal Power Supplies
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Apple MagSafe 2 Power Adapter - 60W (MacBook Pro 13-inch with Retina display)
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Apple MagSafe 2 Power Adapter - 60W (MacBook Pro 13-inch with Retina display)
Apple MagSafe 2 Power Adapter - 60W (MacBook Pro 13-inch with Retina display)
In stock
£62.23 Ex VAT
£74.68 Inc VAT
In stock
Product Category: Internal Power Supplies
Misco No: 2534964
Manufacturer / No: Apple / MD565B/B

Hama Micro USB Travel Charger UK Plug
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Hama Micro USB Travel Charger UK Plug
Hama Micro USB Travel Charger UK Plug
In stock
£10.95 Ex VAT
£13.14 Inc VAT
In stock
Product Category: Internal Power Supplies
Misco No: 209214
Manufacturer / No: Hama / 00115005

Veho UK - USB Mains Charger Adapter
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Veho UK - USB Mains Charger Adapter
Veho UK - USB Mains Charger Adapter
In stock
£3.29 Ex VAT
£3.95 Inc VAT
In stock
Product Category: Internal Power Supplies
Misco No: 168058
Manufacturer / No: Veho / VAA-003-WHT

OPEN BOX Cisco Power supply ( plug-in module ) - BOX AND PRODUCT PRISTINE
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OPEN BOX Cisco Power supply ( plug-in module ) - BOX AND PRODUCT PRISTINE
OPEN BOX Cisco Power supply ( plug-in module ) - BOX AND PRODUCT PRISTINE
In stock
£177.96 Ex VAT
£213.55 Inc VAT
In stock
Product Category: Internal Power Supplies
Misco No: OB2221097
Manufacturer / No: Cisco / PWR-C2-640WDC=OB

OPEN BOX HPE 900W AC 240VDC RPS Power Backplane - BOX SHABBY, ACTUAL PRODUCT BRAND NEW
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OPEN BOX HPE 900W AC 240VDC RPS Power Backplane - BOX SHABBY, ACTUAL PRODUCT BRAND NEW
OPEN BOX HPE 900W AC 240VDC RPS Power Backplane - BOX SHABBY, ACTUAL PRODUCT BRAND NEW
In stock
£122.17 Ex VAT
£146.60 Inc VAT
In stock
Product Category: Internal Power Supplies
Misco No: OB2598909
Manufacturer / No: Hewlett Packard Enterprise / 814835-B21OB

OPEN BOX HPE 900W Standard AC 240V DC Power Input Module - BOX SHABBY, ACTUAL PRODUCT BRAND NEW
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OPEN BOX HPE 900W Standard AC 240V DC Power Input Module - BOX SHABBY, ACTUAL PRODUCT BRAND NEW
OPEN BOX HPE 900W Standard AC 240V DC Power Input Module - BOX SHABBY, ACTUAL PRODUCT BRAND NEW
In stock
£63.33 Ex VAT
£76.00 Inc VAT
In stock
Product Category: Internal Power Supplies
Misco No: OB2593780
Manufacturer / No: Hewlett Packard Enterprise / 775595-B21OB

OPEN BOX AC SMART ADAPTER 135W 19V - BOX PRISTINE, ACTUAL PRODUCT BRAND NEW
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OPEN BOX AC SMART ADAPTER 135W 19V - BOX PRISTINE, ACTUAL PRODUCT BRAND NEW
OPEN BOX AC SMART ADAPTER 135W 19V - BOX PRISTINE, ACTUAL PRODUCT BRAND NEW
In stock
£53.94 Ex VAT
£64.73 Inc VAT
In stock
Product Category: Internal Power Supplies
Misco No: OB2194535
Manufacturer / No: PSA / 397803-001-OEMOB

Brocade - power supply - hot-plug / redundant - 150 Watt
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Brocade - power supply - hot-plug / redundant - 150 Watt
Brocade - power supply - hot-plug / redundant - 150 Watt
In stock
£2,862.00 Ex VAT
£3,434.40 Inc VAT
In stock
Product Category: Internal Power Supplies
Misco No: 2636538
Manufacturer / No: Lenovo / 00MY807

Cisco - power supply - 6000 Watt
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Cisco - power supply - 6000 Watt
Cisco - power supply - 6000 Watt
In stock
£2,447.00 Ex VAT
£2,936.40 Inc VAT
In stock
Product Category: Internal Power Supplies
Misco No: 2675301
Manufacturer / No: Cisco / PWR-C45-6000ACV

Cisco - Power supply - redundant ( plug-in module ) - AC 100-240 V - 3000 Watt - for Catalyst 6807-XL
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Cisco - Power supply - redundant ( plug-in module ) - AC 100-240 V - 3000 Watt - for Catalyst 6807-XL
Cisco - Power supply - redundant ( plug-in module ) - AC 100-240 V - 3000 Watt - for Catalyst 6807-XL
In stock
£1,851.00 Ex VAT
£2,221.20 Inc VAT
In stock
Product Category: Internal Power Supplies
Misco No: 2209847
Manufacturer / No: Cisco / C6800-XL-3KW-AC=

Items Found: 463
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Items Found: 463
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