10 Best Gaming Pc Power Supply 1000w in The UK

Last updated on 18/05/2025
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Best Choice
1
9.9
Exceptional
Save 20%
Corsair HX1000i Fully Modular Ultra-Low Noise ATX Power Supply - ATX 3.0 & PCIe 5.0 Compliant - Fluid Dynamic Bearing Fan - CORSAIR iCUE Software Compatible - 80 PLUS Platinum Efficiency - Black
Corsair
Corsair HX1000i Fully Modular Ultra-Low Noise ATX Power Supply - ATX 3.0 & PCIe 5.0 Compliant - Fluid Dynamic Bearing Fan - CORSAIR iCUE Software Compatible - 80 PLUS Platinum Efficiency - Black
20% OffFree Shipping
Why We Love It
  • Modular cabling for clean builds.
  • Compliant with ATX 3.0 standard.
  • Silent operation with Zero RPM.
Main Highlights
  • Fully Modular Cabling: Connect only the cables your system needs, making clean and tidy builds easy.
  • Intel ATX 3.0 Certified: Compliant with the ATX 3.0 power standard, supporting the PCIe Gen 5 platform and resisting transient power spikes.
  • 140mm Fluid Dynamic Bearing (FDB) Fan: Delivers extremely quiet and long-lasting fan performance.
  • Powerful CORSAIR iCUE Software: Create custom fan curves, monitor power settings, and toggle between single to multi-rail overcurrent protection (OCP) on-thefly.
  • Zero RPM Fan Mode: At low and medium loads the cooling fan switches off entirely for near-silent operation.
9.9
Exceptional
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Best Value
2
9.8
Exceptional
Save 14%
CORSAIR RM1000x SHIFT Fully Modular ATX Power Supply - 80 PLUS Gold - ATX 3.0 - PCIe 5.0 - Zero RPM - Modular Side Interface - White
Corsair
CORSAIR RM1000x SHIFT Fully Modular ATX Power Supply - 80 PLUS Gold - ATX 3.0 - PCIe 5.0 - Zero RPM - Modular Side Interface - White
14% OffFree Shipping
Why We Love It
  • Superior cable management setup.
  • High performance and low noise.
  • Long-term reliability guaranteed.
Main Highlights
  • Innovative Easy-Access Connection Position: Modular connections on the side of the PSU mean easier access for your cables and simpler, cleaner cable management.
  • Fully Modular Micro-Fit PSU Connectors: CORSAIR Type 5 Gen 1 micro-fit PSU cables mean you only connect the cables your system needs while taking up less space.
  • 140mm Fluid Dynamic Bearing Fan: Utilises a specially calculated fan curve for high performance, low noise, and superior reliability.
  • Intel ATX 3.0 Certified: Compliant with the ATX 3.0 power standard, supporting the PCIe Gen 5 platform and resisting transient power spikes.
  • 100% 105°C-Rated Japanese Electrolytic Capacitors: Premium internal components deliver unwavering power delivery and long-term reliability.
9.8
Exceptional
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3
9.6
Superb
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TUF Gaming 1000W Gold (1000 Watt, ATX 3.0 Compatible Fully Modular Power Supply, 80+ Gold Certified, Military-grade Components, Dual Ball Bearing, Axial-tech Fan, PCB Coating, 10 Year Warranty)
ASUS
TUF Gaming 1000W Gold (1000 Watt, ATX 3.0 Compatible Fully Modular Power Supply, 80+ Gold Certified, Military-grade Components, Dual Ball Bearing, Axial-tech Fan, PCB Coating, 10 Year Warranty)
5% OffFree Shipping
Why We Love It
  • Extended lifespan with dual ball bearings.
  • Includes a 10-year warranty.
  • Efficiency certified with Gold Plus.
Main Highlights
  • Dual ball fan bearings can last up to twice as long as sleeve bearing designs.
  • 10-year warranty included.
  • An 80 Plus Gold Certification is the result of Japanese capacitors and other premium components.
  • Fully modular etched cables keep your rig neat and tidy.
  • A protective PCB coating protects against moisture, dust, and extreme temperatures.
  • Fully modular etched cables keep your rig neat and tidy
9.6
Superb
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4
9.5
Superb
NZXT C1000 Gold ATX 3.1 - Fully Modular Low-Noise PC Gaming Power Supply - 1000 Watts - 80 PLUS Gold - 12V-2x6 Connector - Zero Fan Mode - 100% Japanese Capacitors - Black
NZXT
NZXT C1000 Gold ATX 3.1 - Fully Modular Low-Noise PC Gaming Power Supply - 1000 Watts - 80 PLUS Gold - 12V-2x6 Connector - Zero Fan Mode - 100% Japanese Capacitors - Black
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Why We Love It
  • ATX 3.1 Compliant Reliability.
  • 40 Series Ready Performance.
  • Ultra-Low Noise Fan.
Main Highlights
  • ATX 3.1 — Compliant with the ATX 3.1 standard to fuel high-performance PC components with stability, efficiency, and power spike resistance.
  • 50 SERIES READY — Durable, heat-resistant 12V-2x6 connector pumps up to 600 watts to NVIDIA GeForce RTX 50 Series graphics cards.
  • ULTRA-LOW NOISE FAN — 135mm fluid dynamic bearing fan with Zero Fan Mode is completely silent when under 50% load.
  • HIGH-QUALITY CONSTRUCTION — 100% premium Japanese capacitors improve hold-up time and minimal ripple noise, ensuring reliable and stable power delivery.
9.5
Superb
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5
9.4
Superb
Corsair RM850x 80 PLUS Gold Fully Modular ATX 850 Watt Power Supply (135 mm Magnetic Levitation Fan, Wide Compatibility, Reliabile Japanese Capacitors, Extremely Fast Wake-from-Sleep) UK - Black
Corsair
Corsair RM850x 80 PLUS Gold Fully Modular ATX 850 Watt Power Supply (135 mm Magnetic Levitation Fan, Wide Compatibility, Reliabile Japanese Capacitors, Extremely Fast Wake-from-Sleep) UK - Black
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Why We Love It
  • Modular design for tidy builds.
  • Efficient, quiet magnetic levitation fan.
  • High compatibility with modern hardware.
Main Highlights
  • Fully Modular: Only connect the cables your system needs, making clean and tidy builds easier.
  • 135mm Magnetic Levitation Fan: Utilises a magnetic levitation bearing and custom engineered rotors for high performance, low noise, and superior reliability.
  • EPS12V Connector: For wide compatibility with modern graphics cards and motherboards.
  • 100% All Japanese 105°C Capacitors: Premium internal components ensure unwavering power delivery and long-term reliability.
  • Modern Standby Compatible: Extremely fast wake-from-sleep times and better low-load efficiency.
  • 83 PLUS Gold Certified: High efficiency operation for lower power consumption, less noise, and cooler temperatures.
9.4
Superb
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6
9.3
Superb
Save 4%
ASUS ROG Loki SFX-L 1200W Titanium PSU (Fully Modular Power Supply, 80+ Titanium, 120mm PWM ARGB Fan, Aura Sync, ATX 30 Compatible, PCIe 50 Ready)
ASUS
ASUS ROG Loki SFX-L 1200W Titanium PSU (Fully Modular Power Supply, 80+ Titanium, 120mm PWM ARGB Fan, Aura Sync, ATX 30 Compatible, PCIe 50 Ready)
4% Off
Why We Love It
  • 10-year warranty offers peace of mind.
  • Premium components guarantee maximum efficiency.
  • Exceptional durability in harsh environments.
Main Highlights
  • ROG heatsinks cover critical components Lower temps result in a longer lifespan and reduced noise
  • Dual ball fan bearings can last up to twice as long as sleeve bearing designs
  • 0dB technology lets you enjoy light gaming in relative silence
  • ATX 30 compatible: ROG Loki is compliant with ATX 30 guidelines and bundled with 16-pin PCIe cables that can pipe up to 600W of power to PCIe Gen 50 graphics cards
  • Lambda Standard ++ certification: Certified low noise levels, below 35 dB
  • 80 PLUS Titanium certified: Up to 94% efficient for low heat and noise, and increased reliability
  • Aura Sync compatible: Ready to synchronize lighting effects across your gaming setup
  • 10-year warranty included
9.3
Superb
Save 4%
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7
9.3
Superb
NZXT C1000 Gold ATX 3.1 - Fully Modular Low-Noise PC Gaming Power Supply - 1000 Watts - 80 PLUS Gold - 12V-2x6 Connector - Zero Fan Mode - 100% Japanese Capacitors - Black
NZXT
NZXT C1000 Gold ATX 3.1 - Fully Modular Low-Noise PC Gaming Power Supply - 1000 Watts - 80 PLUS Gold - 12V-2x6 Connector - Zero Fan Mode - 100% Japanese Capacitors - Black
Why We Love It
  • Stable performance for PC components.
  • Supports NVIDIA GeForce 40 Series.
  • Whisper-quiet operation under load.
Main Highlights
  • ATX 3.1 — Compliant with the ATX 3.1 standard to fuel high-performance PC components with stability, efficiency, and power spike resistance.
  • 40 SERIES READY — Durable, heat-resistant 12V-2x6 connector pumps up to 600 watts to NVIDIA GeForce RTX 40 Series graphics cards.
  • ULTRA-LOW NOISE FAN — 135mm fluid dynamic bearing fan with Zero Fan Mode is completely silent when under 50% load.
  • HIGH-QUALITY CONSTRUCTION — 100% premium Japanese capacitors improve hold-up time and minimal ripple noise, ensuring reliable and stable power delivery.
9.3
Superb
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8
9.1
Superb
Save 9%
be quiet! Pure Power 12 M 1000W power supply, 80 PLUS Gold efficiency, ATX 3.1 PSU with full support for PCIe 5.1 GPUs, exceptionally silent 120mm be quiet! fan, 2 strong 12V-rails, modular cables
be quiet!
be quiet! Pure Power 12 M 1000W power supply, 80 PLUS Gold efficiency, ATX 3.1 PSU with full support for PCIe 5.1 GPUs, exceptionally silent 120mm be quiet! fan, 2 strong 12V-rails, modular cables
9% Off
Why We Love It
  • Exceptional power delivery performance.
  • Compact and sleek design.
  • Perfectly quiet operation.
Main Highlights
  • Pure Power 12 M 1000W is certified 80 PLUS Gold with an outstanding efficiency rating of up to 93.1%. The most compelling benefit: lower power consumption, consequently lower costs, and above all a cooler as well as quieter operation. Pure Power 12 M 1000W is always the correct choice for quiet systems and gaming PCs!
  • Pure Power 12 M 1000W is an ATX 3.1 PSU and comes with both native integration of the 12VHPWR connector for next-generation PCIe 5.1 graphics cards, and PCIe 6+2-pin connectors for support of current-gen GPUs. This makes the PSU extremely versatile and the perfect choice for powerful systems of today and the ones to come.
  • Pure Power 12 M offers 1000W of continuous power with 2 independent 12V rails. Even if the graphics card demands excessive power for a short time: Pure Power 12 M 1000W handles power excursions up to double its rated power with ease. This ensures reliable operation with the next generation of processors and graphics cards.
  • The exceptionally silent 120mm be quiet! fan is temperature-controlled to strike the best balance between effective cooling and quietness. Airflow-optimized fan blades reduce turbulence, enabling best-in-class quiet functionality.
  • With its LLC topology Pure Power 12 M 1000W provides a best-in-class voltage regulation and efficiency. That makes it perfect for building or upgrading very quiet systems as well as gaming and media creation PCs.
9.1
Superb
Save 9%
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9
9.0
Superb
GIGABYTE AORUS ELITE P1000W ICE Power Supply Unit - PCIe 5.0, 80 PLUS Platinum, Fully modular design, 120mm Fan, ATX 3.0 compatible, UK Plug
Gigabyte
GIGABYTE AORUS ELITE P1000W ICE Power Supply Unit - PCIe 5.0, 80 PLUS Platinum, Fully modular design, 120mm Fan, ATX 3.0 compatible, UK Plug
Free Shipping
Why We Love It
  • ATX 3.0 and PCIe Gen 5.0 ready.
  • 80 PLUS Platinum certified efficiency.
  • Fully modular design for flexibility.
Main Highlights
  • ATX 3.0 and PCIe Gen 5.0 ready (compatible with ATX 3.1)
  • 80 PLUS Platinum certified
  • 100% Japanese capacitors
  • 120mm smart Fluid Dynamic Bearing (FDB) fan
  • Compact design
  • Fully modular design
  • Powerful single +12V rail
  • OVP/OPP/SCP/UVP/OCP/OTP protection
9.0
Superb
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10
8.9
Excellent
Save 33%
MSI MPG A1000G PCIE5 Power Supply Unit, UK Plug - 1000W, 80 Plus Gold Certified, Fully Modular ATX 3.0, PCIe 5.0 GPU Support, Japanese 105°C Capacitors, 0% RPM Mode, Flat Cables - 10 Year Warranty
MSI
MSI MPG A1000G PCIE5 Power Supply Unit, UK Plug - 1000W, 80 Plus Gold Certified, Fully Modular ATX 3.0, PCIe 5.0 GPU Support, Japanese 105°C Capacitors, 0% RPM Mode, Flat Cables - 10 Year Warranty
33% OffFree Shipping
Why We Love It
  • Gold certified for energy efficiency.
  • ATX 3.0 for advanced GPUs.
  • Stable with a long warranty.
Main Highlights
  • 80 PLUS GOLD CERTIFIED - An efficient power supply reduces system energy use & thermal loading; An 80 PLUS Gold rating (up to 90%) is ideal for power-hungry hardware, particularly high-end graphics cards, or demanding games & rendering engines
  • ATX 3.0 FULLY MODULAR - With ATX 3.0, the PSU can handle up to 2x total & 3x GPU power excursions, supporting even the most demanding GPUs; A full modular format with flat black cables (storage bag included) helps reduce clutter & improve airflow
  • PCIe 5.0 GPU SUPPORT - With the native 16-pin (12VHPWR) PCIe connector, the PSU can feed up to 600W of power to a PCIe 5.0 GPU (NVIDIA & AMD supported); The MPG A1000G PCIE5's single-railed design provides ample power to the system
  • 0% RPM MODE - 0% RPM Mode automatically deactivates the 135mm fluid dynamic bearing (FDB) fan when TDP falls below 40%, which increases energy efficiency & reduces unnecessary noise; A manual button at the rear can disable 0% RPM Mode
  • DURABLE DESIGN - A half-bridge LLC with DC-to-DC converter & active PFC design ensures reliable output (OCP, OVP, OPP, OTP, SCP, UVP protections); Japanese 105°C capacitors provide optimal stability; Includes a 10-year warranty
8.9
Excellent
Save 33%
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