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Showing Results For: PC Power Supplies

PC Power Supplies

PC power supplies, also called PSUs (Power Supply Units), are crucial components within desktop computers. They are responsible for converting electrical energy from an external source (typically from a wall outlet) into the appropriate voltages and currents needed to power the internal components of a computer. A high-grade PSU is important for confirming stable and reliable operation of a PC.

Key Functions of PC Power Supplies

  • Voltage Conversion: PC power supplies convert the high-voltage AC current from the outlet into the low-voltage direct current (DC) required by the computer's components. Common output voltages include +3.3V, +5V, and +12V.
  • Regulation: PSUs regulate the output voltage to ensure that it remains within acceptable tolerances. Voltage fluctuations can damage components, so regulation is critical for stable operation.
  • Efficiency: Efficiency is a measure of how well a PSU converts incoming AC power into usable DC power. Higher efficiency power supplies waste less energy as heat, reducing energy consumption and heat output.
  • Modular vs. Non-Modular: Some PSUs are modular, enabling users to connect only the cables they need. Non-modular PSUs have fixed cables. Modular designs provide cleaner and more customisable cable management.
  • Wattage and Capacity: The wattage rating of a PSU indicates its capacity to deliver power. A higher wattage PSU can support more power-hungry components like high-end graphics cards and multiple drives.

Types of PC Power Supplies

  • ATX Power Supplies: The ATX (Advanced Technology Extended) form is the most typical type of PSU for desktop computers. These power supplies are standardised and fit most PC cases.
  • SFX Power Supplies: SFX (Small Form Factor) PSUs are compact units designed for more minor PC cases, such as Mini-ITX systems. They offer lower wattage but can still power high-performance components.
  • ATX12V and EPS12V Power Supplies: These PSUs are designed for specific applications. ATX12V is for standard desktops, while EPS12V is for workstations and servers. They may have additional connectors for specialised components.
  • 80 PLUS Certification: 80 PLUS is a certification program that measures PSU efficiency. PSUs can receive certifications like 80 PLUS Bronze, Silver, Gold, Platinum, or Titanium, indicating higher efficiency levels.

Considerations When Choosing a PSU

  • Wattage: Determine the power requirements of your components to choose an appropriately sized PSU. Over-specifying wattage can save energy, while under-specifying can lead to instability.
  • Efficiency: Higher efficiency PSUs are more energy-efficient, which can lead to lower electricity bills and lessened heat generation.
  • Connectors: Ensure the PSU has the necessary connectors for your components, including the correct number of PCIe connectors for graphics cards.
  • Modularity: Consider whether you want a modular or non-modular PSU based on your cable management preferences.
  • Brand and Reliability: Choose reputable PSU manufacturers recognised for supplying reliable and high-grade units. A reliable PSU is essential to prevent power-related issues that can damage your PC.

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Seasonic
Rohs Verified
SSP-350ES2, Seasonic
2 In Stock
Check Stock & Lead Times Packaging Options
1 +
£ 51.78
5 +
£ 50.23
10 +
£ 48.68
Seasonic
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SSP-600ES2, Seasonic
1 In Stock
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1 +
£ 66.62
5 +
£ 64.62
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£ 62.62
Seasonic
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SSP-400ET2, Seasonic
1 In Stock
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1 +
£ 54.42
5 +
£ 52.79
10 +
£ 51.16
Seasonic
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SSP-750RS, Seasonic
9 In Stock
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£ 105.82
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£ 102.65
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£ 99.47
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SSP-500ES2, Seasonic
38 In Stock
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£ 67.85
5 +
£ 65.81
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£ 63.77
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SSP-650RS, Seasonic
42 In Stock
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£ 109.32
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£ 106.03
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£ 102.76
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SSP-500ET2, Seasonic
39 In Stock
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1 +
£ 68.06
5 +
£ 66.02
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£ 63.97
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SSP-400ES2, Seasonic
8 In Stock
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£ 54.39
5 +
£ 52.76
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£ 51.12
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SSP-350ST2, Seasonic
11 In Stock
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£ 41.79
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£ 40.63
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£ 39.53
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SSP-600ET2, Seasonic
41 In Stock
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£ 72.34
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£ 70.17
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£ 68.00
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1SG30GFSA0A10W, Seasonic
1 In Stock
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1 +
£ 55.62
5 +
£ 54.08
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£ 52.62
Rohs Verified
HPCSA-1000P-E2S, Nipron
1 In Stock
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1 +
£ 450.66
5 +
£ 437.14
10 +
£ 423.62
Rohs Verified
PCSE-370P-X2S2, Nipron
2 In Stock
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1 +
£ 187.81
5 +
£ 182.18
10 +
£ 176.54
Rohs Verified
PCSE-370P-X2S, Nipron
32 In Stock
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1 +
£ 199.10
5 +
£ 193.13
10 +
£ 187.16
Rohs Verified
PCSFE-250P-X2S, Nipron
33 In Stock
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1 +
£ 184.86
5 +
£ 179.31
10 +
£ 173.77
Rohs Verified
HPCSA-700P-E2S, Nipron
28 In Stock
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1 +
£ 460.27
5 +
£ 446.46
10 +
£ 432.66
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HPCSA-570P-X2S, Nipron
2 In Stock
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£ 274.90
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£ 266.65
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£ 258.40
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ePCSA-500P-X2C, Nipron
2 In Stock
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1 +
£ 256.73
5 +
£ 249.03
10 +
£ 241.33
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SSR-1300PD, Seasonic
27 In Stock
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1 +
£ 327.37
Seasonic
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SSR-750FX, Seasonic
48 In Stock
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1 +
£ 125.40
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SSR-750PX, Seasonic
72 In Stock
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£ 155.74
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SSR-600TL, Seasonic
61 In Stock
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£ 259.24
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SSR-650PX, Seasonic
101 In Stock
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SSR-850FX, Seasonic
87 In Stock
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1 +
£ 147.54
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1RT75GFS01B10W, Seasonic
32 In Stock
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1 +
£ 142.57
5 +
£ 135.42
10 +
£ 128.32
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New Items
New items
SSPSUPRIME750WPLAT, Seasonic

SSPSUPRIME750WPLAT, Seasonic

The PRIME Titanium Series is Seasonic's flagship line of power supplies that was developed on the foundations of more than forty years of Seasonic engineering knowledge. Its ultra-high efficiency and outstanding performance are the fine results of Seasonic's continuous commitment to innovation and advancement. Improved low-load efficiency, highly suppressed ripple noise and a generous 12-year manufacturer's warranty are just some of the characteristics that set these series apart from other power supplies on the market Super-high efficiency and low noise go hand-in-hand with this popular Seasonic PRIME Platinum 750 power supply. Seasonic's innovative Premium Hybrid Fan Control makes sure, that the fan does not even turn on at lower loads, which is an ideal feature if users want to reduce the level of ambient noise in their surroundings. This power supply is easy to install, the fully modular cables provide excellent customization options, which makes the build not only more aesthetically more pleasing but it also clears the way for a better airflow inside the computer case Ultra-High Efficiency, 80 PLUS® Titanium Certified Micro Tolerance Load Regulation Top-Quality 135 mm Fluid Dynamic Bearing Fan Premium Hybrid Fan Control Super lower Ripple Noise (under 20 mV) * Extended Hold-up Time (above 30 ms) ** Fully Modular Cabling Design Multi-GPU Technologies Supported Gold-Plated High Current Terminals
New items
SSP-350ST, Seasonic

SSP-350ST, Seasonic

Seasonic 300W to 750W 80 Plus ATX Computer Power Supply The Sea Sonic 80 plus range of Power supplies helps consumers to cut down electricity bills and protect the environment with no compromise in performance. 80Plus is a great solution for efficiency PSU, is compliant to Energy Star 4.0 Green PC technology which helps to save electricity. Sea Sonic S2FC (Smart and silent fan control) takes silent power supplies to a different level. Support the latest Intel & AMD Socket PCI Express & Serial ATA ready DC to DC converter design High efficiency and reliability Low ripple & noise Super low noise fan control Short circuit protection on all outputs Over voltage protection Over power protection 100% hi-pot test 100% burn in, high temperature cycled on/off Features and Benefits Note Complies with the latest Intel ATX12V v2.3 Specification 80 PLUS Gold (Up to 90% efficiency at 115Vac, 50% load). Approvals UL Recognised Component for Canada & U.S., TUV, CB, FCC, C-tick, CCC
New items
SSP-350ES2, Seasonic

SSP-350ES2, Seasonic

The Seasonic ATX form factor industrial power supply is version 12 V v.2.3 compliant and 80 PLUS Bronze rated. Super low noise fan control, double forward converter design and vital protection features are some of its advanced features. This power supply has full AC input. Its efficiency rating saves power and its stability extends the life of the components attached. It is a reliable power source for a wide range of systems that require an ATX form factor build. High efficiency and reliability over voltage protection over power protection
New items
SS-400H2U APFC F0 80+, Seasonic

SS-400H2U APFC F0 80+, Seasonic

Seasonic 400W & 600W 2U Rack Mount Industrial 80 Plus ATX Computer Power Supply 80 Plus certified Industrial 2U rackmount PSU Active power factor correction: EN61000-3-2 80% Super high efficiency High 50°C operating temperature Over-voltage, over-power and short circuit protection Easy swap connector design Supplied with 24 pin mother board connector Connection Data Model Motherboard CPU 12V EPS HDD SATA FDD PCI Exp SS-400H2U APFC F0 24Pin EPS 1x 1x 5x 4x 1x 1x SS-600H2U APFC F0 24Pin EPS No 1x 10x No 2x No Technical Specification Model Fan size (cm) +3.3V +5V +12V 1 +12V 2 +12V 3 -12V +5Vsb SS-400H2U APFC F0 6 20A 21A 16A 17A N/A 0.8A 3A SS-600H2U APFC F0 6 20A 25A 15A 15A 17A 0.8A 3A Approvals UL/cUL recognised, TUV, CB, CCC, FCC, C-Tick
New items
GSM20-PSU, RF Solutions

GSM20-PSU, RF Solutions

GSM/GPRS Modem Accessories for the miniature "Plug And Play" dual band GSM modem. It can be connected directly to the serial port of a desktop or notebook computer through the RS-232 interface. The accessories include an antennae, interface cables, mounting bracket and power supply Dual band 900/1800MHz GSM transmission Full voice call, SMS support Integral SIM card holder AT command set (GSM 07.05 and 07.07) GPRS Class B Class 2 (28.8kbps download/14.4kbps upload) GSM/GPRS (Mobile Communications) - Enclosed
New items
HPCSA-570P-X2S, Nipron

HPCSA-570P-X2S, Nipron

The Nipron HPCSA Desktop PC power supply is equipped with a double sided PCB with through holes. It has standby power as low as 0.5 W complying with ErP directive. It has minimum load current of 0A for all outputs. Sound reduction can be achieved using a built-in thermal sensing variable speed fan. 80PLUS BRONZE approved ATX power supply Double-sided through hole PCB suitable for industrial use High efficiency with synchronous rectification circuit Safety standard approved (IEC/UL/CSA60950-1) +24V additional output unit equipped ATX and 24V outputs are insulated
New items
SSPSUPRIME650WPLAT, Seasonic

SSPSUPRIME650WPLAT, Seasonic

The PRIME Titanium Series is Seasonic's flagship line of power supplies that was developed on the foundations of more than forty years of Seasonic engineering knowledge. Its ultra-high efficiency and outstanding performance are the fine results of Seasonic's continuous commitment to innovation and advancement. Improved low-load efficiency, highly suppressed ripple noise and a generous 12-year manufacturer's warranty are just some of the characteristics that set these series apart from other power supplies on the market The Seasonic PRIME 80 PLUS® Platinum certified power supply is rated to achieve 92 % efficiency at 50 % system load. This high efficiency ensures that there is less heat wasted during operation, which in turn not only reduces the strain on the system components but it also lowers the costs of electricity for users. An ultra-quiet, 135 mm Fluid Dynamic Bearing Fan (regulated by Seasonic's proprietary Premium Hybrid Fan Control) delivers excellent airflow with exceptionally low noise levels. This unit is an ideal companion to an office computer or an environment where noise levels need to be at the minimum Ultra-High Efficiency, 80 PLUS® Gold Certified Micro Tolerance Load Regulation Top-Quality 135 mm Fluid Dynamic Bearing Fan Premium Hybrid Fan Control Cable-free Connection Design Fully Modular Cabling Design Multi-GPU Technologies Supported Gold-Plated High Current Terminals
New items
EA-300SUG, Seasonic

EA-300SUG, Seasonic

Seasonic 300W Switch Mode Power Supply 80+ EA-300 Series The Sea Sonic EA-300 is a small 300W computer power supply. The EA-300 features a DC-DC converter design and carries the 80 plus bronze certificate, which provides high power efficiency of at least 87% at normal input voltage. The Sea Sonic EA-300 is cooled by a slim, low noise fan and features active PFC circuit. 80 PLUS GOLD Certificate Serial ATA ready DC to DC converter design High efficiency and reliability Low ripple & noise Super low noise fan control Short circuit protection on all outputs Over voltage protection & Over power protection 100% hi-pot test 100% burn in, high temperature cycled on/off Approvals CUL, TUV, CB, BSMI, CE, FCC, RCM
New items
SS-520FL2, Seasonic

SS-520FL2, Seasonic

Seasonic 520W Fanless Computer Power Supply 80+ SS-520FL2 The Sea Sonic SS-520FL2 fanless power supply carries the 80 plus platinum certificate, offering high power efficiency of up to 92% and a true power factor greater than 0.9PF, saving money on electricity bills. This Sea Sonic power supply comes in a fully modular design and while minimizing voltage drops and impedance, it greatly maximises efficiency and cooling, to enhance overall performance and reliability. The Sea Sonic SS-520FL2 features a fanless design with ultra-ventilated honeycomb structure, offering silent operation without compromising cooling performance. 520W fanless modular ATX power supply 80+ Platinum certified with Japanese capacitors Super high efficiency Full modular cabling design Perfect for quiet PCs Patented DC connector Module with VRM Gold plated high current terminals Dual sided PCB layout Active Power Factor Correction Ultra ventilation Multi-GPU technology support Tight voltage regulation High +12V Output
FAQs
We offer free shipping for orders over £200 if delivery is in the UK. All other orders in the UK, shipping from £7.99 depending on the weight and measurement. Mainland Europe shipping charges start from £25. For all other countries shipping charges start from £50 for products like PC Power Supplies and all others.
You can email us directly at sales@enrgtech.co.uk or via our website for any queries regarding PC Power Supplies or any other product.
This depends on the PC Power Supplies individual product and information that can be found on our website.
Yes, we offer special discounts on orders above £200 for PC Power Supplies and all other products.
UK orders normally take between 2/3 working days. International orders normally take between 3/5 working days for all products including PC Power Supplies.
Yes. We keep updating our stock frequently and if a product like PC Power Supplies is not in stock then we will let you know.