Top 10 300w PSU ATX UK – Power Supplies

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1. EVGA

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80+ White 600W, Black, Power Supply 100-W1-0600-K3, Evga 600 W1

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EVGA #ad - Ac input:100 - 240 vac, 10-5a, 50 - 60 Hz. 3 year warranty and unparalleled EVGA Customer Support. Heavy-duty protections, ocp over current protection, scp short Circuit Protection, including ovp over voltage Protection, opp over power protection, UVP Under Voltage Protection, and OTP Over Temperature Protection. Heavy-duty protections, ocp over current protection, opp over power protection, including OVP Over Voltage Protection; UVP Under Voltage Protection, and SCP Short Circuit Protection. Quiet and intelligent Auto Fan for near-silent operation. Packaging may vary.
BrandEVGA #ad
ManufacturerEVGA #ad
Height3.35
Length5.91
Weight3.97
Width5.51
Part Number100-W1-0600-K3
Model100-W1-0600-K3
Warranty3 years

2. EVGA

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80+ White 500W, Power Supply 100-W1-0500-K3, Evga 500 W1, Black

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EVGA #ad - Heavy-duty protections, including ovp over voltage protection; UVP Under Voltage Protection, OCP Over Current Protection, opp over power protection, and SCP Short Circuit Protection.3 year warranty and unparalleled EVGA Customer Support. Evga 500w – “unbeatable Value”. Fan size / bearing: 120mm sleeve Bearing. Operating temperature: 0° to 40° C. 80 plus white certified, with 80% efficiency or higher under typical loads.
BrandEVGA #ad
ManufacturerEVGA #ad
Height5.91
Length5.51
Weight2 kg (4.41 Pounds)
Width3.54
Part Number100-W1-0500-K3
Model100-W1-0500-K3
Warranty3 year with Manufacturer

3. Corsair

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Black, Corsair CV550, 80 PLUS Bronze Certified, CV Series, 550 Watt Non-Modular Power Supply

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Corsair #ad - Our power supply units psus use an 8-pin eps12v cpu cable that can be split into two 4-pin connectors. Black sleeving and casing: black sleeved cables and a black powder-coated casing seamlessly fits your PC’s style.

Full continuous power: corsair cv Series power supplies are guaranteed to deliver their full rated wattage of continuous power. Compact casing: 125 mm length ensures an easy fit in almost all modern PC cases. If you want to connect our psu into a 4-pin EPS motherboard port, simply pull the two halves of the connector apart and connect one half into the motherboard port.

80 plus bronze certified: provides up to 88% operational efficiency, generating less heat and lowering your energy costs. Low-noise cooling: a 120 mm thermally controlled low-noise cooling fan only spins at high speed when your power supply is under heavy stress, slowing down for quieter operation at lower loads.
BrandCorsair #ad
ManufacturerCORSAIR HOLDINGS HONG KONG LTD #ad
Height3.39
Length5.91
Weight1.3 kg (2.87 Pounds)
Width4.92
Part NumberCP-9020210-UK
ModelCP-9020210-UK
Warranty3 Year Warranty

4. MSI

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EU plug, Japanese 105°C capacitors, 750W, 80 Plus Gold certified, flat black cables, 10 year warranty, MSI MPG A750GF power supply, fully modular ATX power supply, supports 3x 6+2 pin GPU

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MSI #ad - Fully modular - the completely modular design, reduces cable clutter, which only uses the necessary connections, improves airflow and simplifies setup.80 plus gold certified - an efficient power supply reduces the energy consumption and heat load on the system.

Quiet & stable performance - a 140mm fdb fan with dynamic fluid storage Fluid Dynamic Bearing provides adequate cooling with virtually silent operation. 80 plus gold up to 90% is ideal for high-power hardware such as high-end GPUs, sophisticated games & rendering engines. Japanese 105°c capacitors ensure high stability under heavy loads. Sustainable design - an llc half bridge with dc/dc converter and an active pfc design ensure reliable output OCP, OTP, SCP, OVP, OPP, UVP protection.

Additional graphics card support - the mpg a750gf gaming power supply includes a 3 x 6+2-pin power connector support for the latest NVIDIA GeForce RTX 20/30 series & AMD graphics cards with higher power requirements. The mpg gaming power supply is limited to 10 years MSI -Guarantee. Black flat cables including cable bag offer compact cable management.
BrandMSI #ad
ManufacturerMSI #ad
Height3.39
Length6.3
Weight4.19
Width5.91
Part Number306-7ZP0B11-CE0
Model306-7ZP0B11-CE0
WarrantyManufacturer Guarantee: 2 Year

5. Corsair

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Modular Side Interface, 80 PLUS Gold Efficiency, Zero RPM Fan Mode, Corsair RM1200x SHIFT Fully Modular ATX Power Supply, 105°C-Rated Capacitors, Black, ATX 3.0 & PCIe 5.0 Compliant

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Corsair #ad - Zero rpm fan mode support: at low and medium loads the cooling fan switches off entirely for near-silent operation. Modern standby compatible: Extremely fast wake-from-sleep times and better low-load efficiency.

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. 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.
BrandCorsair #ad
ManufacturerCorsair #ad
Height3.39
Length7.09
Weight2 kg (4.41 Pounds)
Width5.91
Part NumberCP-9020254-UK
ModelCP-9020254-UK
Warranty10 year manufacturer

6. Seasonic

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Seasonic PRIME GX-850 Fully Modular PC Power Supply 80PLUS Gold 850 Watt

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Seasonic #ad - Micro tolerance Load Regulation 05 %. Cable-free Connection Design. Premium hybrid fan Control - Fanless until 40 % load. 80 plus gold. Multi-gPU setup.
BrandSeasonic #ad
ManufacturerSeasonic #ad
Height5.3
Length13.3
Weight1.9 kg (4.19 Pounds)
Width7.8
Part NumberPRIME-GX-850
ModelPRIME-GX-850
Warranty2 year manufacturer

7. Seasonic

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Seasonic G12 GC-850 Watt Fully Wired 80+ Gold PSU/Power Supply

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Seasonic #ad - 80 plus gold certified. Dimensions: 140 mm l x 150 mm W x 86 mm H. Atx 12 v. 5 years warranty. Fixed cables. Item model number: G12-GC-850 .
BrandSeasonic #ad
ManufacturerSeasonic #ad
Height0.98
Length9.45
Weight4.41
Width27.17
Part NumberG12 GC 850
ModelG12-GC-850
Warranty2 year manufacturer

8. Seasonic

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80 PLUS Gold Certified PC Power Supply with Fixed Cables, ATX 12 V, Seasonic G12 GC 650 W Non-Modular PSU

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Seasonic #ad - Ample +12 v output, 5 years warranty. High efficiency, 80 PLUS Gold Certified. Compact atx size 140 mm deep. Tight voltage regulation 12 v, 5 V, 3. 3 v ± 3 %. Smart and Silent Fan Control.
BrandSeasonic #ad
ManufacturerCMS Distribution Limited - CE Stock Order Code #ad
Height11.02
Length19.69
Weight2 kg (4.41 Pounds)
Width19.69
Part NumberG12-GC-650
ModelG12-GC-650
Warranty5 year manufacturer

9. MSI

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550 W, ATX Power Supply, 12 V Single Rail, DC/DC Voltage Converter Design, 80 Plus Bronze Certified, MSI MAG A550BN Power Supply, 120 mm Fan, EU Plug

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MSI #ad - 12 v single rail design – a 12 V single rail design provides stable output currents under heavy loads. Dc/dc voltage converter design – a central DC/DC voltage converter reduces the instability of the output voltage for PC components.

80 plus bronze certified – an efficient power supply reduces energy consumption and heat load of the system. 80 plus bronze certification up to 86% is a solid basis for standard hardware, graphics cards and software requirements. Strong design: an active pfc circuit design ensures reliable performance and provides extensive OCP, OVP, OTP, OP, SCP protection. The mag gaming power supply comes with a 5-year limited MSI warranty. Quiet cooling – a quiet 120 mm fan with plain bearing FDB reduces noise and ensures excellent heat dissipation thanks to the self-regulating cooling.
BrandMSI #ad
ManufacturerMSI COMPUTER #ad
Height3.39
Length5.91
Weight4.41
Width5.51
Part Number306-7ZP2A11-CE0
Model306-7ZP2A11-CE0
WarrantyManufacturer Guarantee: 2 Year

10. EZDIY-FAB

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Black, EZDIY-FAB PSU Cable Extension Sleeved Custom Mod GPU PC Power Supply Soft Nylon Braided with Comb Kit 24PIN/3x 8PIN to 6+2Pin/ 2X 8PIN to 4+4PIN-300MM/11.8in

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EZDIY-FAB #ad - The latest nylon braid design, soft, and easy to organize with vivid braided cables for refined professional builds. Suitable for both 6-Pin or 8-Pin GPU configurations.

Also includes 24-pin motherboard power and 2x 4+4-Pin CPU power cables. 3x 8-pin to 6+2-pin gpu power cables bundled in one package. High specification 18 awg cables easily handle your ultra high power modular power supply, long-term stability and superior performance are the foundation for protecting your computer. Package list: 1x 24-pin atx extension cable; 2x 8-pin to 4+4pin EPS Cable; 3x 8-pin to 6+2pin PCI-e Cable; cable combs included. The new individually sleeved cables are heat-shrink free to ensure high-quality cable assembly and support for high currents in order to achieve superior performance and stability.
BrandEZDIY-FAB #ad
ManufacturerEZDIY-FAB #ad
Part NumberUK2-B 18AWG soft 6P-300