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High-Quality 850W Power Supply Units at Quzo

Enhance your system's performance and reliability with top-tier 850W Power Supply Units (PSUs) available at Quzo. Our extensive range caters to various needs, ensuring optimal efficiency for your setup.

Popular 850W PSU Options
55 products found   
Save £24.57
850W PSU | be quiet! System Power 10, 850 W, 200  240 V, 50 Hz, 5 A, Active, 120
SKU: 327660BN330

be quiet! System Power 10, 850 W, 200 - 240 V, 50 Hz, 5 A, Active, 120 W

  • 80 PLUS® Gold efficiency (up to 93.4%)
  • Advanced stability and voltage regulation thanks to LLC, SR and DC-to-DC
  • Silence-optimized 120mm be quiet! fan reduces system noise
  • Rock-solid stability with 2 strong 12V-rails
  • Dependable operation to support powerful GPUs

£89.42
£113.99

In Stock|   FREE UK Delivery
Save £30.79
850W PSU | GIGABYTE GP-UD850GM PG5 power supply unit 850 W 20+4 pin ATX ATX Black
SKU: 333030GP-UD850GM PG5 V2

GIGABYTE GP-UD850GM PG5 power supply unit 850 W 20+4 pin ATX ATX Black

  • Ultra Durable
  • Main Japanese capacitors
  • Enhanced thermal solution
  • 120mm smart hydraulic bearing (HYB) fan
  • OVP/OPP/SCP/UVP/OCP/OTP protection

£102.20
£132.99

In Stock|   FREE UK Delivery
Save £34.72
850W PSU | Gamemax Rpg Rampage 750W Fully Modular 80 Plus Bronze Psu With 140Mm
SKU: 348527GMXRPG750FMOD

Gamemax Rpg Rampage 750W Fully Modular 80 Plus Bronze Psu With 140Mm Fdb Fan

  • Building On The Success Of The Gamemax Rpg Rampage 750W And 850W Semi-Modular 80 Plus Bronze Power Supplies, Gamemax Have Upgraded Both Models To Full-Modular Cabling, Increasing Airflow And Improving The Overall Thermal Performance
  • Full-Modular Cabling
  • 80 Plus Bronze CErtification
  • Japanese Tk Main Capacitor
  • Power

£57.27
£91.99

In Stock|   FREE UK Delivery
Save £29.05
850W PSU | GameMax 850W GX850 Pro PSU, Fully Modular, LLC+DCDC, AxialTech FDM
SKU: 334966GMX-GX850PROW

GameMax 850W GX-850 Pro PSU, Fully Modular, LLC+DC-DC, Axial-Tech FDM Fan, 80+ Gold, ATX 3.0, PCIe 5.0, White, Power Lead Not Included

  • Introducing A New Series Of Gamemax Power Supply, The Gx-850 Pro! With 80 Plus Gold CErtification It Brings Unbeatable Power And A Superior Performance To Your Gaming PC
  • 80 Plus Gold CErtification
  • Axial-Tech
  • Intelligent Temperature Control Technology
  • Japanese 105 Degree CElsius Capacitors&Nbsp

£94.94
£123.99

In Stock|   FREE UK Delivery
Save £32.67
850W PSU | Antec HIGH CURRENT GAMER HCG850 PRO P GB power supply unit 850 W 20+4
SKU: 3813980-761345-20008-0

Antec HIGH CURRENT GAMER HCG850 PRO P GB power supply unit 850 W 20+4 pin ATX ATX Black

  • Hcg850 Pro Platinum ATX 3.1: For The Ultimate Gamer: Presenting Our High Current Gamer Pro Platinum ATX3.1 Power Supplies, Designed With The Ultimate Quality And Stability In Mind For Gamers And Enthusiasts. With The Ground-Breaking Like ATX 3.1, PCIe 5.
  • Atx 3.1 & PCIe 5.1 Compatible: Our New Hcg Pro Platinum ATX3.1 Power Supplies Are Formally Certified For ATX 3.1 Compliance, Meeting The High Standards For Reliability And Power Efficiency, And Ensuring The Utmost Level Of Quality And Performance.: The In
  • 100% High-Quality Jp Capacitors: Equipped With 100% High-Quality Jp Capacitors, Hcg Pro Platinum ATX3.1 AChieves Unprecedented Tight Voltage Regulation And Minimal Ripple And Noise, Maximizing Your System's Performance.:
  • Phasewave Design: Introducing Our Phasewave Design, With Server-Class Full-Bridge Llc Design Featuring Synchronous Rectification Based On A Dc-Dc Topology, Ensuring Unparalleled Power Delivery Efficiency And Stability For Your Gigs.:
  • 10-Year Warranty: Pushing The Standard For Excellence With The Full-Suite Industrial Protections, Backed By A 10-Year Warranty Duly Committed By Antec.:

£159.52
£192.19

In Stock|   FREE UK Delivery
Save £65.11
850W PSU | GIGABYTE GP-UD850GM PG5 power supply unit 850 W 20+4 pin ATX ATX Black
SKU: 332699GP-UD850GM PG5

GIGABYTE GP-UD850GM PG5 power supply unit 850 W 20+4 pin ATX ATX Black

  • Ultra Durable
  • Main Japanese capacitors
  • Enhanced thermal solution
  • 120mm smart hydraulic bearing (HYB) fan
  • OVP/OPP/SCP/UVP/OCP/OTP protection

£96.88
£161.99

In Stock|   FREE UK Delivery
Save £18.67
850W PSU | Antec SF850X GB power supply unit 850 W 20+4 pin ATX ATX Black
SKU: 3860000-761345-20026-4

Antec SF850X GB power supply unit 850 W 20+4 pin ATX ATX Black

  • Antec
  • 0-761345-20026-4
  • 0761345200264
  • PSU

£139.32
£157.99

In Stock|   FREE UK Delivery
Save £42.11
850W PSU | Antec GSK ATX3.1 850W Power Supply, 80 PLUS Gold, Full Modular, PCIe
SKU: 3918960-761345-20049-3

Antec GSK ATX3.1 850W Power Supply, 80 PLUS Gold, Full Modular, PCIe 5.1, JP Capacitors, Silent FDB Fan, CircuitShield Protection

  • Antec
  • 0-761345-20049-3
  • 0761345200493
  • PSU

£105.88
£147.99

In Stock|   FREE UK Delivery
Save £25.27
850W PSU | ENDORFY Supremo FM5 Gold 850 W power supply unit 18+10 pin ATX ATX
SKU: 394134EY7A009-U1

ENDORFY Supremo FM5 Gold 850 W power supply unit 18+10 pin ATX ATX Black

  • Endorfy
  • EY7A009-U1
  • 5903018668277
  • PSU

£97.72
£122.99

In Stock|   FREE UK Delivery
Save £50.59
850W PSU | Antec GSK ATX3.1 850W Power Supply, White,80 PLUS Gold, Full Modular,
SKU: 3940290-761345-20093-6

Antec GSK ATX3.1 850W Power Supply, White,80 PLUS Gold, Full Modular, PCIe 5.1, JP Capacitors, Silent FDB Fan, CircuitShield Protection

  • Antec
  • 0-761345-20093-6
  • 0761345200936
  • PSU

£108.40
£158.99

In Stock|   FREE UK Delivery
Save £43.12
850W PSU | ASUS AP-850G power supply unit 850 W 20+4 pin ATX ATX Black, White
AsusPSU
SKU: 39491790YE00U0-B0NA00

NEW

ASUS AP-850G power supply unit 850 W 20+4 pin ATX ATX Black, White

  • Dual ball fan bearings that can last up to twice as long as sleeve bearing designs
  • An 80 Plus gold certification is the result of low-ESR capacitors and other premium components
  • ATX 3.0 compatible: ASUS Prime Gold is compliant with ATX 3.0 guidelines and bundled with a 16-pin PCIe cable that is compatible with PCIe Gen 5.0 graphics cards

£103.11
£146.23

In Stock|   FREE UK Delivery
Save £42.12
850W PSU | Asrock 850W Challenger CL850G PSU, Fully Wired, 80+ Gold, ATX 3.1,
SKU: 39606690-UXC085-GNGAAA

NEW

Asrock 850W Challenger CL-850G PSU, Fully Wired, 80+ Gold, ATX 3.1, PCIe 5.1

  • Asrock
  • 90-UXC085-GNGAAA
  • 4710483948367
  • PSU

£105.87
£147.99

In Stock|   FREE UK Delivery
Save £39.27
850W PSU | Asrock 750W Challenger CL750G PSU, Fully Wired, 80+ Gold, ATX 3.1,
SKU: 39606490-UXC075-GNGAAA

NEW

Asrock 750W Challenger CL-750G PSU, Fully Wired, 80+ Gold, ATX 3.1, PCIe 5.1

  • Asrock
  • 90-UXC075-GNGAAA
  • 4710483948299
  • PSU

£97.72
£136.99

In Stock|   FREE UK Delivery
Save £20.47
850W PSU | Asrock 850W Steel Legend SL850GW PSU, Fully Modular, 80+ Gold,
SKU: 39606890-UXS085-GFGABA

NEW

Asrock 850W Steel Legend SL-850GW PSU, Fully Modular, 80+ Gold, Cybenetics Platinum & Lambda A+, ATX 3.1, PCIe 5.1, White

  • Asrock
  • 90-UXS085-GFGABA
  • 4710483949081
  • PSU

£151.29
£171.76

In Stock|   FREE UK Delivery
Save £27.60
850W PSU | Asrock 1000W Steel Legend SL1000GW PSU, Fully Modular, 80+ Gold,
SKU: 39605890-UXS100-GFGABA

NEW

Asrock 1000W Steel Legend SL-1000GW PSU, Fully Modular, 80+ Gold, Cybenetics Platinum & Lambda A, ATX 3.1, PCIe 5.1, White

  • Asrock
  • 90-UXS100-GFGABA
  • 4710483949203
  • PSU

£183.89
£211.49

In Stock|   FREE UK Delivery
55 products found

Understanding 850W PSUs

An 850W PSU is a critical component that converts electrical power from an outlet into a usable form for your computer's internal components. Choosing the right 850W PSU is essential for system stability, performance, and longevity.

Benefits of Upgrading to an 850W PSU

  • Enhanced Stability: A reliable 850W PSU ensures consistent power delivery, reducing the risk of system crashes and hardware damage.
  • Improved Efficiency: Modern 850W PSUs offer higher efficiency ratings, leading to lower energy consumption and reduced electricity bills.
  • Future-Proofing: Upgrading to an 850W PSU allows for future hardware upgrades without compromising power requirements.
  • Enhanced Cooling: Quality 850W PSUs often feature advanced cooling solutions, contributing to a quieter and cooler system.

Featured 850W PSUs at Quzo

  • GAMEMAX RPG Rampage 850W PSU
    • Capacity: 850 W
    • Efficiency: 80 PLUS Bronze Certified
    • Design: 140mm Ultra Silent Fan for quiet operation
    • Features: Semi-Modular design with flat black cables, Japanese TK Main Capacitor Fitted
    • Warranty: 2-Year Warranty for customer satisfaction
  • GAMEMAX GX850W PSU
    • Capacity: 850 W
    • Efficiency: 80 PLUS Gold Certified
    • Design: Fully Modular for easy cable management
    • Features: Intelligent Temperature Control Technology, 105°C Mainstream Capacitors
    • Warranty: 3-Year Warranty for peace of mind
  • GAMEMAX RGB-850PRO PSU
    • Capacity: 850 W
    • Efficiency: 80 PLUS Gold Certified
    • Design: Fully Modular with 14cm ARGB Fan
    • Features: RGB Controller with 25 Modes, Japanese TK Main Capacitor Fitted
    • Warranty: 3-Year Warranty for customer satisfaction

Customer Testimonials

Our customers have experienced significant improvements after upgrading their PSUs with Quzo products. Here's what they have to say:

"Upgrading to the GAMEMAX RPG Rampage 850W PSU transformed my gaming experience. The stability and efficiency are remarkable."
"The GAMEMAX GX850W PSU was a perfect fit for my workstation, enhancing performance without breaking the bank."

Choosing the Right 850W PSU

When selecting an 850W PSU, consider the following factors:

  • Wattage: Ensure the PSU's wattage meets or exceeds your system's power requirements.
  • Efficiency Rating: Higher efficiency ratings (e.g., 80 PLUS Gold) indicate better energy efficiency and lower heat generation.
  • Modular Design: Modular PSUs allow for better cable management and airflow.
  • Form Factor: Ensure the PSU's form factor (e.g., ATX) is compatible with your case.

Why Shop at Quzo?

  • **Exceptional Customer Service:** Our team is dedicated to assisting you with your purchase.
  • **Competitive Pricing:** Enjoy affordable prices on all 850W PSUs.
  • **Fast Shipping:** Receive your products promptly with our efficient delivery service.
  • **Secure Shopping:** Shop with confidence on our secure website.

Order Your 850W PSU Today

Ready to enhance your system's performance? Order your 850W PSU from Quzo now and enjoy improved efficiency and reliability.

Contact Us

Have questions? Reach out to our customer support team for assistance.