1200w PSUs

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be quiet! Power Zone 2 1200W ATX 3.1 PCIe 5.1 80 Plus Platinum Modular Power Supply
POW-BEQ-07468
1200W PSU, Fully modular, 80 PLUS Platinum, ATX 3.1 and PCIe 5.1 compliant, Pure Wings 3 140mm fan
£199.99 £164.99 (incl. VAT)
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Kolink Continuum 1200W 80 Platinum Modular Power Supply
CA-03M-KK
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Premium 1200-watt power supply, 80 PLUS Platinum Certification, Quiet 140mm fan, ATX2.4
£219.95 £149.99 (incl. VAT)
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Asus ROG Thor 1200W ATX 3.1 PCIe 5.0 80 Plus Platinum Modular Power Supply
POW-ASU-04706
ROG THOR 1200W PLATINUM III ULTIMATE POWER. UNMATCHED STABILITY
£399.95 (incl. VAT)
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NZXT C1200 1200W 80+ Gold ATX 3.1 PCIE 5.1 Modular Power Supply - Black
POW-NZX-06562
ATX 3.1-compliant & PCIe 5.1 power standard, 12V 2x6-pin connector, Zero RPM mode – fanless at low load, Cybenetics Platinum efficiency, fully modular with sleeved cables
£239.95 £129.95 (incl. VAT)
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Antec NE1200 1200W ATX 3.1 PCIe 5.1 80 Plus Platinum Modular Power Supply
POW-ATC-08121
Introducing the NeoECO Platinum ATX3.1 power supply, crafted to deliver exceptional performance and rock-solid stability for gamers and enthusiasts. Featuring next-generation ATX 3.1 and PCIe 5.1 support, high-quality Japanese capacitors, and 80 PLUS® Platinum efficiency, it ensures outstanding and consistent power delivery.
£149.95 (incl. VAT)
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FSP Hydro PTM PRO 1200W ATX 3.1 PCIe 5.1 80 Plus Platinum Modular Power Supply
POW-FSP-06661
The FSP Hydro PTM PRO ATX 3.1 series delivers cutting-edge performance with ATX 12V v3.1 compatibility, single-rail +12 V architecture and 80 PLUS Platinum certification for ultra-efficient power delivery. With fully-modular cabling, an eco-switch semi-fanless mode and full protection circuitry (OCP/OVP/OPP/SCP/OTP/UVP), it’s built for high-end PCs demanding reliable, future-proof power.
£209.95 (incl. VAT)
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Lian Li RS 1200W RS Hub ATX 3.1 PCIe 5.1 80 Plus Gold Modular Power Supply
POW-LIA-06175
1200W PSU, Rotatable AC inlet, Fully modular with dual-side 24-pin output, 80 PLUS Gold, Compatible with the RS removable USB hub, Compliant with the ATX 3.1 standard, 135mm FDB cooling fan
£159.95 £144.95 (incl. VAT)
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Lian Li RS 1200W RS Hub ATX 3.1 PCIe 5.1 80 Plus Gold Modular Power Supply
POW-LIA-06174
1200W PSU, Rotatable AC inlet, Fully modular with dual-side 24-pin output, 80 PLUS Gold, Compatible with the RS removable USB hub, Compliant with the ATX 3.1 standard, 135mm FDB cooling fan
£155.99 £147.95 (incl. VAT)
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Lian Li SX Platinum 1200W ATX 3.1 PCIe 5.1 80 Plus Platinum Modular Power Supply - White
POW-LIA-06702
1200W PSU, Modular design, 80 PLUS Platinum, Compliant with the ATX 3.1 standard, 120mm FDB fan with Zero RPM mode, Flexible White braided cables to match your build
£139.99 (incl. VAT)
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Asus TUF Gaming 1200W ATX 3.1 PCIe 5.0 80 Plus Gold Modular Power Supply
CA-06J-AS
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The TUF Gaming 1200W Gold is an efficient, resilient and dependable PSU that’s engineered for the long haul.
£199.99 (incl. VAT)
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be quiet! Dark Power 14 1200W ATX 3.1 PCIe 5.1 80 Plus Titanium Modular Power Supply
POW-BEQ-06572
Introducing the 14th generation, Dark Power is more than just an update. This powerhouse of a power supply stands for the very best we as PSU experts can offer. Among the many features are our internally developed Silent Wings fan, state-of-the-art technology and components of highest quality such as Japanese capacitors. In short: Dark Power is our high-end power supply series. Built for everyone who takes their systems seriously.
£219.95 (incl. VAT)
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MSI MAG A1200PLS 1200W ATX 3.1 PCIe 5.1 80 Plus Platinum Modular Power Supply
POW-MSI-08272
MSI's mainstream MAG series epitomises stability and durability and is built to withstand the most intense gaming sessions. The entire lineup features robust construction with metallic-like hardness and excellent heat dissipation, ensuring stability for all critical gaming components.
£179.99 (incl. VAT)
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APNX MAX G1 1200W ATX 3.1 PCIe 5.1 80 Plus Gold Modular Power Supply
POW-APN-05586
Compact high-end power supply, 1,200 watts output, 80 PLUS Gold & Cybenetics Platinum certified, quiet 135mm FDB fan with zero-RPM mode, ATX 3.1 & PCIe 5.1 ready, includes 12V 2x6-pin connector, Japanese capacitors for long lifespan
£218.99 £149.95 (incl. VAT)
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Phanteks Revolt 1200W ATX 3.0 PCIe 5.0 80 Plus Platinum Modular Power Supply
CA-0CL-PT
ATX form factor PSU, 1200W, 80 PLUS Platinum certified, Fully Modular, NO CABLES INCLUDED, Native 12VHPWR Support
£214.98 (incl. VAT)
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£199.99 £169.96 (incl. VAT)
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£189.95 £138.95 (incl. VAT)
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Kolink Regulator 1200W ATX 3.0 PCIe 5.0 80 Plus Gold Modular Power Supply
CA-07X-KK
ATX 3.0 PSU, 12VHPWR 600W cable, Fully Modular, Switchable semi-fanless mode, Japanese capacitors, 120mm FDB fan, Extensive safety functions (OVP, UVP, OPP, SCP, OCP, OTP, SIP)
£145.00 £109.99 (incl. VAT)
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£209.99 (incl. VAT)
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Phanteks AMP GH 1200W V2 ATX 3.1 PCIe 5.1 80 Plus Platinum Modular Power Supply
POW-PHK-06078
ATX 3.1 power supply, 1200W, 80 PLUS Platinum certified, Fully modular, Automatic hybrid cooling solution, Native 12V-2x6 power delivery
£159.90 £149.90 (incl. VAT)
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Phanteks AMP GH 1200W V2 ATX 3.1 PCIe 5.1 80 Plus Platinum Modular Power Supply - White
POW-PHK-06079
ATX 3.1 power supply, 1200W, 80 PLUS Platinum certified, Fully modular, Automatic hybrid cooling solution, Native 12V-2x6 power delivery
£169.90 (incl. VAT)
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be quiet! Pure Power 13 M 1200W ATX 3.1 PCIe 5.1 80 Plus Gold Modular Power Supply
POW-BEQ-07494
1200W PSU, Fully modular, 80 PLUS Gold, ATX 3.1 and PCIe 5.1 compliant, Semi-passive cooling with a 120mm fan
£149.99 (incl. VAT)
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be quiet! Straight Power 12 1200W ATX 3.1 PCIe 5.1 80 Plus Platinum Modular Power Supply
CA-153-BQ
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Straight Power 12 is a future-proof ATX 3.0 power supply with 80 PLUS® Platinum certification and virtually inaudible operation.
£199.99 (incl. VAT)
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£324.95 (incl. VAT)
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Lian Li SX Platinum 1200W ATX 3.1 PCIe 5.1 80 Plus Platinum Modular Power Supply
POW-LIA-06701
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1200W PSU, Modular design, 80 PLUS Platinum, Compliant with the ATX 3.1 standard, 120mm FDB fan with Zero RPM mode, Flexible braided cables
£139.99 (incl. VAT)
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Asus GeForce RTX 5090 ROG Astral OC & Strix 1200W Platinum PSU - Bundle
GRA-ASU-08091
Upgrade your system with hand selected performance hardware from ASUS. Chosen for compatibility and reliability, this ASUS ROG GPU and PSU combo delivers high framerates, ROG aesthetics, and reliable power.
£3,359.89 £3,299.99 (incl. VAT)
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Asus ROG Strix 1200W ATX 3.1 PCIe 5.0 80 Plus Platinum Modular Power Supply
POW-ASU-03792
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ROG Strix 1200W Platinum is a cool and quiet PSU with stable power delivery, engineered for efficiency with GaN MOSFET and intelligent stabilizer in striking style.
£239.99 (incl. VAT)
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Lian Li EDGE 1200W with USB Hub ATX 3.1 PCIe 5.1 80 Plus Gold Modular Power Supply
POW-LIA-03760
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1200W PSU, 80 PLUS Gold Rating, Fully Modular, L-Shaped Form Factor, Native support for 12V-2X6, Removable USB 2.0 Hub
£149.99 (incl. VAT)
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Lian Li EDGE 1200W with USB Hub ATX 3.1 PCIe 5.1 80 Plus Gold Modular Power Supply - White
POW-LIA-03761
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1200W PSU, 80 PLUS Gold Rating, Fully Modular, L-Shaped Form Factor, Native support for 12V-2X6, Removable USB 2.0 Hub
£149.99 (incl. VAT)
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PC Power Supplies 1200w PSUs


Seasonic VERTEX GX-1200 1200W 80+ Gold Modular Power Supply

Unleash the full potential of your enthusiast-grade hardware with our impressive selection of 1200W PC Power Supplies. These high-wattage PSUs are designed to meet the demands of even the most power-hungry gaming setups. Whether you're a hardcore gamer, content creator, or a PC enthusiast, our 1200W power supplies provide the robust power delivery you need for peak performance. What’s more, you can choose from industry-leading brands including Corsair, ASUS ROG, Kolink, and be quiet!



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Not sure if you need an ATX 3.0 power supply or not? Don’t worry, the Overclockers UK Blog has you covered with this extensive guide.

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