SFX Power Supplies

Not sure which power supply is right for you? Read our Power Supplies Buying Guide

These SFX power supplies are small form factor, which have reduced dimensions compared to standard ATX PSUs. Compact cases are sometimes designed with one of these form factors in mind – check that your PSU is compatible with your case.

Hot Seller 750W Corsair SF750, Full Modular, 80PLUS Platinum, SLI/CrossFire, Single Rail, 62.5A, 92mm Fan, SFX (w/ATX Bracket) PSU LN94346
£154.99£5.48 NEXT DAY DELIVERY
Pre Order
Due 8th Dec
Customer Review 48hrReplacement
1000W SilverStone SX1000-LPT, Fully Modular, 80 PLUS Platinum, Single Rail, 83.3A, 120mm Fan, SFX-L PSU LN117394
£229.99£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
Customer Review 48hrReplacement
300W Seasonic SFX SFB, Fully Wired, 80PLUS Bronze, Single Rail, 36A, SFX PSU LN106087
£49.99£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
No customer review48hrReplacement
300W be quiet! SFX Power 3, 80 PLUS Bronze Wired PSU, Single Rail, 37.5A +12V, Black, ATX PSU LN116086
£54.98£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
Customer Review 48hrReplacement
300W Silverstone SFX Series ST30SF v2.0, 80PLUS Bronze, Fully Wired, Single Rail, 25A +12V, 1x92mm Quiet Fan LN75246
£54.98£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
Customer Review 48hrReplacement
450W be quiet! SFX Power 3, 80 PLUS Bronze Wired PSU, Single Rail, 37.5A +12V, Black, SFX PSU LN116087
£64.99£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
Customer Review 48hrReplacement
350W SilverStone Flex Series FX350-G, Flex ATX Fully Wired, 80PLUS Gold, Single Rail, 29.17A, 40mm Fan, PSU LN90724
£69.98£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
Customer Review 48hrReplacement
450W Silverstone ST45SF v3.0, 80PLUS Bronze, Fully Wired, Single Rail, 37.5A +12V, 1x 92mm Fan, ATX PSU LN75245
£79.99£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
Customer Review 48hrReplacement
500W SilverStone SX500-LG v2.1 SFX Series, Fully Modular, 80PLUS Gold, Single Rail, 40A, 120mm Fan, SFX-L LN110847
£89.99£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
Customer Review 48hrReplacement
500W be quiet! SFX-L, Full Modular, 80PLUS Gold, Single Rail, 41.7A, 120mm Fan, SFX PSU w/ ATX Bracket LN95467
£94.99£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
Customer Review 48hrReplacement
Refurbished Refurbished 750W Corsair SF750, Full Modular, 80PLUS Platinum, Single Rail, 62.5A, 92mm Fan, SFX (w/ATX Bracket) PSU LN140435
£109.99£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
No customer review48hrReplacement
600W be quiet! SFX-L, Full Modular, 80 PLUS Gold, Single Rail, 50A, 120mm Fan, SFX PSU w/ ATX Bracket LN95468
£119.99£5.48 NEXT DAY DELIVERY
Pre Order
Due 15th Dec
Customer Review 48hrReplacement
750W Thermaltake Toughpower SFX, Fully Modular, Native PCIe 5, 80 PLUS Gold, Single Rail, 62.5A, 92mm Fan, SFX PSU LN129962
£134.99£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
No customer review48hrReplacement
750W CoolerMaster V750, Fully Modular, 80 PLUS Gold, Single Rail, 62.5A, Quiet 92mm FDB Fan, SFX PSU LN118044
£149.99£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
No customer review48hrReplacement
850W Corsair SF850L, Fully Modular, 80 PLUS Gold, Single Rail, 70.8A, 120mm Rifle Bearing Fan, SFX PSU LN134625
£149.99£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
No customer review48hrReplacement
850W Thermaltake Toughpower SFX, Fully Modular, Native PCIe 5, 80 PLUS Gold, Single Rail, 70.8A, 92mm Fan, SFX PSU LN129963
£154.99£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
Customer Review 48hrReplacement
600W SilverStone FX600, Fully Wired, 80 PLUS Platinum, Single Rail, 50A, 40mm Fan, Flex-ATX PSU LN124067
£159.98£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
No customer review48hrReplacement
850W CoolerMaster V850, Fully Modular, 80 PLUS Gold, Single Rail, 70.8A, Quiet 92mm FDB Fan, SFX PSU LN118047
£159.98£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
No customer review48hrReplacement
1000W Corsair SF1000L, Fully Modular, 80PLUS Gold, Single Rail, 83.3A, 120mm Rifle Bearing Fan, SFX PSU LN134626
£179.99£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
No customer review48hrReplacement
1000W Thermaltake Toughpower SFX-L, Fully Modular, Native PCIe 5, 80 PLUS Gold, Single Rail, 83.3A, 92mm Fan, SFX-L PSU LN129964
£184.99£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
No customer review48hrReplacement
750W ASUS ROG Loki Platinum, Fully Modular, 80PLUS Platinum, Single Rail, 62.5A, 120mm Fan, SFX-L PSU LN129483
£194.99£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
Customer Review 48hrReplacement
800W SilverStone SX800-LTI v1.2, Fully Modular, 80PLUS Titanium, Single Rail, 66A, 120mm Fan, SFX PSU LN110369
£199.99£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
Customer Review 48hrReplacement
850W ASUS ROG Loki Platinum, Fully Modular, 80PLUS Platinum, Single Rail, 70.8A, 120mm Fan, SFX-L PSU LN129484
£224.99£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
Customer Review 48hrReplacement
850W SilverStone Extreme 850R, Fully Modular, 80 PLUS Platinum, Single Rail, 70.8A, Silent 92mm FDB Fan, SFX PSU LN134262
£229.99£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
No customer review48hrReplacement
1000W ASUS ROG Loki Platinum, Fully Modular, 80PLUS Platinum, Single Rail, 83.3A, 120mm Fan, SFX-L PSU LN129485
£259.99£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
Customer Review 48hrReplacement
Refurbished Open Box 1000W ASUS ROG Loki Platinum, Fully Modular, 80PLUS Platinum, Single Rail, 83.3A, 120mm Fan, SFX-L PSU LN134935
£259.99£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
No customer review48hrReplacement
1000W SilverStone SX1000R-PL, SFX12V 4.0, PCIe5 Fully Modular, 80PLUS Cybenetics Platinum, Single Rail, 83.3A, 120mm Fan LN139053
£279.98£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
No customer review48hrReplacement
1100W CoolerMaster V SFX PSU, 80+ Platinum, Fully Modular, Native PCIe 5, Single Rail, 91.6A, 92mm Fan, ATX3.0 LN132520
£369.98£5.48 NEXT DAY DELIVERY
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Get it Tomorrow, 03 DecIn stock
No customer review48hrReplacement
1300W CoolerMaster V SFX PSU, 80+ Platinum, Fully Modular, Native PCIe 5, Single Rail, 108.3A, 92mm Fan, ATX 3.0 LN132521
£399.98£5.48 NEXT DAY DELIVERY
Add To Basket
Get it Tomorrow, 03 DecIn stock
No customer review48hrReplacement

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