Fully Modular PSUs
A fully modular power supply lets you connect only the cables you actually need, which makes for a cleaner build, better airflow and easier upgrades later. Our fully modular range covers trusted brands across 80 Plus Gold, Platinum and the latest ATX 3.1 units with native PCIe 5 connectors for current graphics cards. Everything is in UK stock with a full warranty and a live price on each listing. Choosing the right wattage and efficiency matters, so our power supply guide explains exactly what to look for.
New
ASRock SL-850GW Steel Legend 850W 80 PLUS Gold Fully Modular ATX Power Supply White
In stock
£118.78 inc VAT- 850W Total Power, 80 PLUS Gold certified efficiency
- Fully-Modular cabling with Native PCIe 12V-2×6 Cable
- 13.5 cm FDB fan with iCOOL Intelligent Fan Control Mode for quiet operation (20 dB noise level)
- ATX 3.1 PSU form factor for PC builds
- Japanese Capacitors for extended lifespan
- Comprehensive power protection features
- 10-year warranty for peace of mind
New
ASUS TUF Gaming 1000W 80 PLUS Gold ATX 3.1 Fully-Modular Power Supply Unit Black
In stock
£133.98 inc VAT- 1000W output with 80 PLUS Gold efficiency for PC
- ATX 3.1 and PCIe 5.1 compatibility
- Fully-modular cabling for flexible installation
- Active cooling with a 13.5 cm ball bearing fan
- Military-grade capacitors for enhanced durability and lifespan
- Comprehensive power protection features including OVP, OCP, OPP, SCP, UVP, OTP
- 8-year warranty for long-term reliability
ASUS ROG STRIX 1200P 1200W ATX PSU
In stock
£238.18 inc VAT- 1200W total power output
- 80 PLUS Platinum certification for high efficiency
- Active cooling system with one fan
- Fully-modular cabling for easy management
- ATX 3.1 compliance with native 12V-2×6 connector
- Multiple power protection features including over current and short circuit
- GaN MOSFET for premium power efficiency
Corsair RM1000x Shift 1000W ATX 3.1 PCIe 5.1 Gold Modular PSU
In stock
£160.61 inc VAT- 1000W Total Power Output with single +12V rail
- 80 PLUS Gold and Cybenetics certified efficiency
- Revolutionary side-mounted modular connections for easy cable management
- ATX 3.1 compliant for high reliability and power efficiency
- 140mm fluid dynamic bearing fan with Zero RPM mode for quiet operation
- Includes 7x 6+2 Pin PCIe and 16x SATA power connectors
- Compatible with ATX PSU format cases at least 210mm wide
Corsair RMe Series RM1000e 1000W ATX PSU White
In stock
£142.68 inc VAT- 1000W total power with 80 PLUS Gold certification
- Fully-modular cabling with dedicated 12V-2×6 GPU power cable
- ATX 3.1 certified and PCIe 5.1 compliant
- Active cooling with a 14 cm fan and FDB bearing technology
- Compact 140mm depth for easy fit in PC cases
- White product colour for aesthetic build matching
- 100,000 hours Mean Time Between Failures (MTBF)
Corsair RM1000x 1000W 80 PLUS Gold Modular ATX PSU
In stock
£160.61 inc VAT- 1000W total power
- 80 PLUS Gold certified efficiency
- Fully-Modular cabling type
- ATX form factor with ATX version 3.1
- Active cooling with 1 fan and silent mode
- 100,000 hours Mean Time Between Failures (MTBF)
- Extensive connectivity: 12 SATA, 6 PATA, 4 PCI Express 6+2 pin, and 1 PCI Express 12+4 pin connectors
Corsair HXi Series HX1200i 1200W ATX Modular PSU
In stock
£238.39 inc VAT- Total power of 1200 W with 80 PLUS Platinum certification
- Fully-modular cabling for flexible connections, including two 12V-2×6 cables
- ATX 3.1 certified and ready for high-end GPUs
- CORSAIR iCUE software for performance monitoring and fan speed control
- Quiet operation with a 14 cm FDB fan and Zero RPM mode
- Constructed with 100% Japanese capacitors for reliability
- Compact ATX form factor, measuring 150 mm x 180 mm x 86 mm
Corsair HX1500i 1500W 80 PLUS Platinum Modular ATX PSU
In stock
£273.98 inc VAT- 1500W total power with 80 PLUS Platinum certification
- Fully-modular cabling for flexible connections
- ATX 3.1 certified and ready for high-end GPUs with dual 12V-2×6 cables
- iCUE software for performance monitoring and fan speed control
- Quiet operation with a 14 cm FDB fan and Zero RPM mode
- 100% Japanese capacitors for reliability and long lifespan
- Designed for PC/Server use, measuring 150 x 180 x 86 mm
ASUS ROG THOR 1000P3 1000W 80 PLUS Platinum ATX PSU Black
In stock
£337.43 inc VAT- 1000W total power with 80 PLUS Platinum certification for high efficiency
- ATX 3.1 version and fully-modular cabling for flexible installation
- Illumination and an OLED display with magnetic attachment
- Integrated ROG Equalizer 12V-2×6 PCIe power cable to reduce heat stress
- Advanced power protection features including over current and short circuit
- Dedicated CPU, PCIe, SATA, and Peripheral (Molex) cables included
ASUS ROG THOR 1200P3 1200W ATX Power Supply
In stock
£396.97 inc VAT- 1200W total power output for PC systems
- 80 PLUS Platinum and Cybenetics Platinum certifications
- ATX 3.1 version with fully-modular cabling
- Active cooling with a single fan and illumination
- OLED display with magnetic attachment
- Integrated ROG Equalizer 12V-2×6 PCIe power cable
- Comprehensive power protection features
Asrock PG-1600G 1600W ATX PSU Black 20+4 pin
In stock
£236.42 inc VAT- 1600 W total power with ATX 3.1 and PCIe 5.1 compatibility
- 80 PLUS Gold certification for high energy efficiency
- Fully-modular cabling with 12 SATA, 8 PCIe 6+2 pin, and 2 EPS connectors
- 13.5 cm Fluid Dynamic Bearing fan with iCOOL intelligent fan control
- Comprehensive power protection including over current, voltage, and overheating
- 100,000 h MTBF with 10-year warranty for long-term reliability
MSI MAG A1000PLS 1000W 80+ Platinum PCIE5 Modular PSU
In stock
£142.86 inc VAT- 1000W Power Output
- 80+ Platinum Efficiency
- PCIE5 Compatibility
- Modular Cable Design
- Reliable Power Supply Unit (PSU)
Antec NeoEco 850W Platinum Modular ATX 3.1 PSU, PCIe 5.1, 12V-2×6
In stock
£92.42 inc VAT- 850W ATX 3.1 Power Supply
- 80 PLUS Platinum certified efficiency
- PCIe 5.1 ready with 12V-2×6 connector
- Fully modular design for clean cable management
- 120mm FDB silent fan with Zero RPM mode
- High-
Antec NE1200 Platinum NeoEco 1200W ATX 3.1 PSU, PCIe 5.1, 80 Plus Platinum, 10-Year Warranty
In stock
£123.24 inc VAT- 1200W ATX 3.1 & PCIe 5.1 compatibility with 12V-2×6 connector
- 80 PLUS Platinum efficiency with high-quality Japanese capacitors
- PhaseWave server-class DC-DC design for stable power delivery
- Full modular cable management for improved airflow
- 120mm FDB silent fan with Zero RPM Manager for quiet cooling
- 10-year warranty with comprehensive industrial-grade protection suite
- Compact 140mm x 150mm x 86mm size fits wider case compatibility
MSI MEG AI1300P 1300W ATX 3.0 PCIe 5.0 PSU Black
In stock
£279.28 inc VAT- 1300 W total power with 80 PLUS Platinum efficiency (92%) and Active PFC
- ATX 3.1 and PCIe 5.0 compliance with native 16-pin connector for up to 600W GPU power
- Fully-modular cabling with 24-pin ATX, 8x PCIe 6+2 pin, and 16x SATA connectors
- Active cooling via 12 cm fan with LCP blades and HDB bearing for quiet operation
- Comprehensive power protection (over current, over power, over voltage, short circuit, under voltage)
- Compact ATX form factor (150 x 86 x 160 mm) with Japanese 105°C capacitors
Asrock TC-1650T 1600W 80 PLUS TITANIUM ATX PSU
In stock
£348.98 inc VAT- 1600W ATX 3.1 & PCIe 5.1 compliant power supply with 235% power excursion handling
- 80 PLUS TITANIUM and Cybenetics TITANIUM / Lambda A+ certified efficiency and ultra-quiet operation
- Fully modular design with native 12V-2×6 dual colour connector featuring TempGuard
- 135mm Striped Axial FDB fan with iCOOL intelligent fan control mode
- 100% Japanese 105°C capacitors and Infineon CoolMOS + SiC SBD components
- 10-year warranty with comprehensive OCP, SCP, OVP, UVP, OTP and OPP protections
Asrock Steel Legend SL-650G 650W 80 Plus Gold ATX PSU
In stock
£82.98 inc VAT- 650W ATX 3.1 power supply unit with 80 PLUS Gold and Cybenetics Platinum certification
- 135mm Fluid Dynamic Bearing fan with iCOOL mode for silent operation
- All-Japanese 105°C capacitors for maximum reliability and lifespan
- Dual Colour design with ASRock Classic Green connectors for easy installation checks
- Comprehensive safety protections including OCP, SCP, OVP, UVP, OTP and OPP
- 10-year warranty with flat cable design and compact 150 x 150 x 86mm dimensions
be quiet! PURE POWER 12 1000W ATX 3.0 PSU 80+ Gold Modular Black
In stock
£92.14 inc VAT- 1000 W ATX 3.1 PSU with PCIe 5.1 compatibility
- 12 cm rifle-bearing fan with 31.6 dB noise level
- 80 PLUS Gold efficiency at 90.6% with active PFC
- Non-modular cabling with 20+4 pin ATX and 12-pin PCIe connectors
- Comprehensive protection features including over current and surge protection
- 10-year warranty with MTBF of 100,000 hours
be quiet! POWER ZONE 2 1000W ATX Black PSU
In stock
£130.38 inc VAT- 1000 W ATX 3.1 power supply unit with 80 PLUS Platinum efficiency
- 14 cm Pure Wings 3 fan with rifle bearing and 27.2 dB noise level
- Fully-modular cabling with 1x 12V-2×6 and 3x 6+2-pin PCIe connectors
- Single +12V rail delivering 83.3 A with 1070 W peak power
- Comprehensive protection features including over current, over voltage and overheating
- Key specs check: MTBF 100,000 h, hold time 22.7 ms, operating temp 0–40 °C
be quiet! Pure Power 13 M 650W ATX Black PSU
In stock
£72.01 inc VAT- 650W ATX 3.1 and PCIe 5.1 compliant power supply for PC builds
- 80 PLUS Gold efficiency with 92.8% rating and active PFC
- 12 cm fan with 0–1800 RPM speed and 30.2 dB noise level
- Fully-modular cabling with PCIe 12-pin and 6+2 pin connectors
- Comprehensive protection including over current, over voltage and surge
- 100,000 h MTBF with rifle bearing and semi-passive cooling
Fully Modular PSUs Buying Guide and FAQ
This Fully Modular PSUs range groups units by this feature. Below are the common questions.
What does Fully Modular mean on a power supply?
A Fully Modular PSU lets you detach every cable, so you only fit the ones you need for a tidy build and better airflow. It is a useful feature to look for when matching a unit to a modern build.
Do I need a Fully Modular power supply?
Fully modular is nice for a tidy build and good airflow, while non-modular saves money if you do not mind fixed cables. Match the feature to your parts and case.
What wattage and rating should I pair with it?
Choose wattage around your graphics card, roughly 650 to 750W for mid-range and 850W and up for high-end, and aim for a reputable 80 Plus Gold unit. That combination suits most gaming PCs.