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PC Power Supply

When it comes to the internal components of a PC, power supply units (PSUs) can often be overlooked by ‘cooler’ products like a graphics card or CPU. However, PC PSUs are incredibly important to the running of your computer. After all, if your PC doesn’t have enough power, your high-performance components simply won’t work. At Inside Tech, we have a wide range of power supply units to choose from, with wattage available from 500W to 1600W for the biggest, most powerful gaming PC setups. All this power is likely to produce a lot of heat within your PC, but don’t worry as many of our PSUs come with built-in cooling fans to ensure they never overheat. If you have any questions about our range of PC PSUs, don’t hesitate to contact Inside Tech’s friendly team today. One of our experts will be happy to talk you through our range.

Showing 1–12 of 33 results

Vida Lite 500W ATX PSU, Fluid Dynamic Ultra-Quiet Fan, Flat Black Cables, Power Lead Not Included

Prices from

Incl. Tax: £17.18

Excl. Tax: £14.32

Description

Specification

Form Factor: ATX
Series: Vida Lite
Wattage: 500 W
Modular: Fully Wired
Compatability: ATX 12V
#Hide#Wattage Range: 450 - 560W
Connectors: "20+4 pin (540mm)
4+4 pin (550mm
SATA x3, Molex x1 (640mm)
SATA x3, FDD x1 (685mm)"
AC Input: 100 - 240V AC
PFC: Active PFC
Fan Type: Ultra-Quiet 120mm Black Fan
Fan Bearing: Fluid / Hydraulic Bearing
Weight/Dimensions: 1.17 kg
Warranty: 1 Year

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GameMax 300W GT300 TFX PSU, Small Form Factor, 8cm Fan, 80+ Bronze, Power Lead Not Included

Prices from

Incl. Tax: £35.56

Excl. Tax: £29.63

Description

Specification

Form Factor: TFX
Series: GameMax GT TFX
Wattage: 300 W
Modular: Fully Wired
Compatability: TFX
Compatible with ATX 12V 2.3
#Hide#Wattage Range: 300 - 400W
Connectors: 1 x 20+4 Pin Main
1 x 4+4 Pin 12V
3 x SATA
1 x 4-Pin Molex
AC Input: 100-240 VAC
PFC: Active PFC
Fan Type: Low Noise 8cm Fan with intelligent fan speed control
Noise: < 17 dBA
80+ Certification: 80+ Bronze
Efficiency: > 81% (85% max)
MTBF: "100,000 Hours"
Protection: "100,000 Hours"
Additional Features: See Overview
Package Contents: Power Supply
Screws
2 x Cable Ties
1 x Velco Strap
1 x Manual

NOTE: Power lead not included
Weight/Dimensions: 0.9 kg
(WxHxD) 85 x 65 x 175 mm
Package Weight: 1.0200 kg
Warranty: 2 Years

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Be Quiet! 450W System Power 10 PSU, 80+ Bronze, Fully Wired, Strong 12V Rail, Temp. Controlled Fan

Prices from

Incl. Tax: £43.39

Excl. Tax: £36.16

Description

Specification

Form Factor: ATX
Series: Be Quiet! System Power 10
Modular: Fully Wired
Compatability: ATX 12V v2.52
EPS 12V v2.92
#Hide#Wattage Range: 450 - 560W
Wattage: 450 W
Connectors: 1 x ATX-Motherboard (20+4-pin)
1 x P4+4 (CPU)
2 x PCI-e 6+2-pin (GPU)
1 x PATA
6 x SATA
Rail Design: Single strong 12V-rail
AC Input: 200-240 Vac
PFC: Active PFC
Fan Type: Temperature-controlled 120mm quality fan
Fan Bearing: Sleeve Bearing
Noise: 20% load: 8.7 dB(A)
50% load: 9.8 dB(A)
100% load: 19.2 dB(A)
80+ Certification: 80+ Bronze
Efficiency: "230V, 20% load: 86.8%
230V, 50% load: 88.5%
230V, 100% load: 85.5%"
MTBF: "100,000 hours"
Protection: OCP (over current protection)
OVP (over Voltage protection)
UVP (under Voltage protection)
SCP (short circuit protection)
OTP (over temperature protection)
OPP (over power protection)
SIP (Surge & Inrush Protection)
Additional Features: See Overview / Video
Package Contents: Screws
Manual
Weight/Dimensions: 1.74 kg
(LxWxD) 150 x 140 x 86 mm
Package Weight: 2.4000 kg
Warranty: 5 Years

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Be Quiet! 550W System Power 10 PSU, 80+ Bronze, Fully Wired, Strong 12V Rail, Temp. Controlled Fan

Prices from

Incl. Tax: £51.08

Excl. Tax: £42.57

Description

Specification

Form Factor: ATX
Series: Be Quiet! System Power 10
Modular: Fully Wired
Compatability: ATX 12V v2.52
EPS 12V v2.92
#Hide#Wattage Range: 450 - 560W
Wattage: 550 W
Connectors: 1 x ATX-Motherboard (20+4-pin)
1 x P4+4 (CPU)
1 x P4 (CPU)
2 x PCI-e 6+2-pin (GPU)
1 x PATA
6 x SATA
Rail Design: Single strong 12V-rail
AC Input: 200-240 Vac
PFC: Active PFC
Fan Type: Temperature-controlled 120mm quality fan
Fan Bearing: Ball Bearing
Noise: 20% load: 8.6 dB(A)
50% load: 9.4 dB(A)
100% load: 25.7 dB(A)
80+ Certification: 80+ Bronze
Efficiency: "230V, 20% load: 87.4%
230V, 50% load: 89.1%
230V, 100% load: 85.7%"
MTBF: "100,000 hours"
Protection: OCP (over current protection)
OVP (over Voltage protection)
UVP (under Voltage protection)
SCP (short circuit protection)
OTP (over temperature protection)
OPP (over power protection)
SIP (Surge & Inrush Protection)
Additional Features: See Overview / Video
Package Contents: Screws
Manual
Weight/Dimensions: 1.83 kg
(LxWxD) 150 x 140 x 86 mm
Package Weight: 2.5000 kg
Warranty: 5 Years

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Be Quiet! 500W System Power 9 CM PSU, Semi-Modular, Sleeve Bearing, 80+ Bronze, Dual 12V, Cont. Power

Prices from

Incl. Tax: £51.50

Excl. Tax: £42.92

Description

Specification

Form Factor: ATX
Series: Be Quiet! System Power 9
Modular: Semi Modular
Compatability: ATX 12V v2.51
#Hide#Wattage Range: 450 - 560W
Wattage: 500 W
Connectors: "1 x ATX-Motherboard (20+4-pin)
1 x P4+4 (CPU)
2 x PCI-E 6+2-pin (GPU)
2 x PATA 4-pin
6 x SATA 15-pin (HDD, Drives)
1 x FDD"
Rail Design: Dual +12V
AC Input: AC200-240 V
PFC: Active PFC
Fan Type: High-quality 120mm fan
Sleeve Bearing
Fan Bearing: Sleeve Bearing
Noise: dB(A) at 20% load: 9.7
dB(A) at 50% load: 11.5
dB(A) at 100% load: 24.4
80+ Certification: 80+ Bronze
Efficiency: Up to 88%
MTBF: "100,000 hours"
Protection: Over current
Over voltage
Under voltage
Short circuit
Over temperature
Over power
Additional Features: See Overview
Weight/Dimensions: 1.56 kg
140 x 150 x 86 mm
Package Weight: 2.4000 kg
Warranty: 3 Years

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Be Quiet! 400W Pure Power 11 PSU, Fully Wired, Rifle Bearing Fan, 80+ Gold, Cont. Power

Prices from

Incl. Tax: £51.62

Excl. Tax: £43.02

Description

Specification

Form Factor: ATX
Series: Be Quiet! Pure Power 11
Modular: Fully Wired
Compatability: ATX 12V 2.4
#Hide#Wattage Range: 300 - 400W
Wattage: 400 W
Connectors: "1 x ATX-Motherboard (20+4-pin)
1 x P4+4 (CPU)
2 x PCI-E 6+2-pin (GPU)
2 x PATA 4-pin
5 x SATA 15-pin (HDD, Drives)
1 x FDD (Floppy)"
Rail Design: Dual +12V
AC Input: AC 100-240 V
PFC: Active PFC
Fan Type: 120mm
Silence-optimized be quiet! fan
Fan Bearing: Rifle Bearing
Noise: dB(A) at 20% load: 10.5
dB(A) at 50% load: 11.4
dB(A) at 100% load: 14.9
80+ Certification: 80+ Gold
Efficiency: "230V, 20% load: 87.1%
230V, 50% load: 90.9%
E230V, 100% load: 89.5%"
MTBF: "100,000 hours"
Protection: Over current
Over voltage
Under voltage
Short circuit
Over temperature
Over power
Additional Features: See Overview
Weight/Dimensions: 150 x 150 x 86 mm
1.9 kg
Package Weight: 2.2200 kg
Warranty: 5 Years

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Be Quiet! 300W TFX Power 3 PSU, Small Form Factor, 80+ Bronze, PCIe, Continuous Power

Prices from

Incl. Tax: £52.04

Excl. Tax: £43.37

Description

Specification

Form Factor: TFX
Series: Be Quiet! TFX Power 3
Modular: Fully Wired
Compatability: TFX12V v2.52 & EPS 12V v2.92
#Hide#Wattage Range: 300 - 400W
Wattage: 300 W
Connectors: 1 x ATX-Motherboard (20+4-pin
1 x P4 (CPU)
1 x PCI-e 6+2-pin (GPU)
3 x SATA
2 x PATA
1 x FDD (Floppy)
Rail Design: Single 12V rail
AC Input: AC 100-240 V
PFC: Active PFC
Fan Type: High-quality temperature-controlled 80mm fan
Fan Bearing: Rifle Bearing
Noise: dB(A) at 20% load: 114.6
dB(A) at 50% load: 15.4
dB(A) at 100% load: 29.1
80+ Certification: 80+ Bronze
Efficiency: "230V, 20% load: 84%
230V, 50% load: 88.3%
230V, 100% load: 86.4%"
MTBF: "100,000 hours"
Protection: Over current
Over voltage
Under voltage
Short circuit
Over Temperature
Over Power
Additional Features: See Overview
Package Contents: PSU
Screws
Cable ties
User manual
Weight/Dimensions: 0.9 kg
Without cable (LxWxD): 175 x 85 x 65 mm
Package Weight: 1.2400 kg
Warranty: 3 Years

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Be Quiet! 300W SFX Power 3 PSU, Small Form Factor, Rifle Bearing Fan, 80+ Bronze, Continuous Power

Prices from

Incl. Tax: £53.80

Excl. Tax: £44.83

Description

Specification

Form Factor: SFX
Series: Be Quiet! SFX Power 3
Modular: Fully Wired
Compatability: SFX12V V3.42 & EPS 12V 2.92
#Hide#Wattage Range: 300 - 400W
Wattage: 300 W
Connectors: 1 x ATX-Motherboard (20+4-pin)
1 x P4 (CPU)
1 x PCI-e 6+2-pin (GPU)
2 x PATA
3 x SATA
1 x FDD (Floppy)
Rail Design: Single 12V rail
AC Input: AC 100-240 V
PFC: Active PFC
Fan Type: High-quality temperature-controlled 80mm fan
Fan Bearing: Rifle Bearing
Noise: dB(A) at 20% load: 14.4
dB(A) at 50% load: 14.4
dB(A) at 100% load: 29.4
80+ Certification: 80+ Bronze
Efficiency: "230V, 20% load: 84.4%
230V, 50% load: 89.2%
230V, 100% load: 88.1%"
MTBF: "100,000 hours"
Protection: Over current
Over voltage
Under voltage
Short circuit
Over power
Additional Features: See Overview
Package Contents: PSU
Screws
Cable ties
Manual
Weight/Dimensions: 0.84 kg
(L x W x D) 100 x 125 x 64 mm
Package Weight: 1.1900 kg
Warranty: 3 Years

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Be Quiet! 650W System Power 10 PSU, 80+ Bronze, Fully Wired, Strong 12V Rail, Temp. Controlled Fan

Prices from

Incl. Tax: £55.37

Excl. Tax: £46.14

Description

Specification

Form Factor: ATX
Series: Be Quiet! System Power 10
Modular: Fully Wired
Compatability: ATX 12V v2.52
EPS 12V v2.92
#Hide#Wattage Range: 600 - 660W
Wattage: 650 W
Connectors: 1 x ATX-Motherboard (20+4-pin)
1 x P4+4 (CPU)
1 x P4 (CPU)
2 x PCI-e 6+2-pin (GPU)
1 x PATA
6 x SATA
Rail Design: Single strong 12V-rail
AC Input: 200-240 Vac
PFC: Active PFC
Fan Type: Temperature-controlled 120mm quality fan
Fan Bearing: Sleeve Bearing
Noise: 20% load: 8.9 dB(A)
50% load: 11.2 dB(A)
100% load: 30.37 dB(A)
80+ Certification: 80+ Bronze
Efficiency: "230V, 20% load: 88%
230V, 50% load: 88.5%
230V, 100% load: 85.6%"
MTBF: "100,000 hours"
Protection: OCP (over current protection)
OVP (over Voltage protection)
UVP (under Voltage protection)
SCP (short circuit protection)
OTP (over temperature protection)
OPP (over power protection)
SIP (Surge & Inrush Protection)
Additional Features: See Overview / Video
Package Contents: Screws
Manual
Weight/Dimensions: 1.86 kg
(LxWxD) 150 x 140 x 86 mm
Package Weight: 1.8600 kg
Warranty: 5 Years

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Be Quiet! 300W TFX Power 3 PSU, Small Form Factor, 80+ Gold, 2 PCIe, Continuous Power

Prices from

Incl. Tax: £64.47

Excl. Tax: £53.73

Description

Specification

Form Factor: TFX
Series: Be Quiet! TFX Power 3
Modular: Fully Wired
Compatability: TFX12V v2.52 & EPS 12V v2.92
#Hide#Wattage Range: 300 - 400W
Wattage: 300 W
Connectors: 1 x ATX-Motherboard (20+4-pin)
1 x P4 (CPU)
2 x PCI-e 6+2-pin (GPU)
3 x SATA
2 x PATA
1 x FDD (Floppy)
Rail Design: Dual12V rails
AC Input: AC 100-240 V
PFC: Active PFC
Fan Type: High-quality temperature-controlled 80mm fan
Fan Bearing: Rifle Bearing
Noise: dB(A) at 20% load: 9.7
dB(A) at 50% load: 12.4
dB(A) at 100% load: 21.7
80+ Certification: 80+ Gold
Efficiency: "230V, 20% load: 88.9%
230V, 50% load: 91.7%
230V, 100% load: 90.6%"
MTBF: "100,000 hours"
Protection: Over current
Over voltage
Under voltage
Short circuit
Over Temperature
Over Power
Additional Features: See Overview
Package Contents: PSU
Screws
Cable ties
User manual
Weight/Dimensions: 1.1 kg
Without cable (LxWxD): 175 x 85 x 65 mm
Package Weight: 1.4300 kg
Warranty: 3 Years

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Be Quiet! 750W System Power 10 PSU, 80+ Bronze, Fully Wired, Strong 12V Rail, Temp. Controlled Fan

Prices from

Incl. Tax: £68.92

Excl. Tax: £57.43

Description

Specification

Form Factor: ATX
Series: Be Quiet! System Power 10
Modular: Fully Wired
Compatability: ATX 12V v2.52
EPS 12V v2.92
#Hide#Wattage Range: 700 - 760W
Wattage: 750 W
Connectors: 1 x ATX-Motherboard (20+4-pin)
1 x P8 (CPU)
1 x P4+4 (CPU)
4 x PCI-e 6+2-pin (GPU)
1 x PATA
6 x SATA
Rail Design: Single strong 12V-rail
AC Input: 200-240 Vac
PFC: Active PFC
Fan Type: Temperature-controlled 120mm quality fan
Fan Bearing: Sleeve Bearing
Noise: 20% load: 8.9 dB(A)
50% load: 13.3 dB(A)
100% load: 34.7 dB(A)
80+ Certification: 80+ Bronze
Efficiency: "230V, 20% load: 86.8%
230V, 50% load: 89.1%
230V, 100% load: 85.7%"
MTBF: "100,000 hours"
Protection: OCP (over current protection)
OVP (over Voltage protection)
UVP (under Voltage protection)
SCP (short circuit protection)
OTP (over temperature protection)
OPP (over power protection)
SIP (Surge & Inrush Protection)
Additional Features: See Overview / Video
Package Contents: Screws
Manual
Weight/Dimensions: 1.95 kg
(LxWxD) 150 x 140 x 86 mm
Package Weight: 2.6000 kg
Warranty: 5 Years

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Be Quiet! 650W Pure Power 12 M PSU, Fully Modular, Rifle Bearing Fan, 80+ Gold, ATX 3.0, PCIe 5.0, Dual Rail

Prices from

Incl. Tax: £92.62

Excl. Tax: £77.18

Description

Specification

Form Factor: ATX
Series: Be Quiet! Pure Power 12 M
Modular: Fully Modular
Compatability: ATX 3.0
EPS 12V v2.92
#Hide#Wattage Range: 600 - 660W
Wattage: 650 W
Connectors: 1 x ATX-Motherboard (20+4-pin)
1 x P4+4 (CPU)
1 x P8 (CPU)
1 / 450 x 12VHPWR cable / W
2 x PCI-e 6+2-pin (GPU)
5 x SATA
2 x PATA
Rail Design: 2 strong 12V-rails
AC Input: AC 100-240 V
Fan Type: 120mm silence-optimized be quiet! fan
Fan Bearing: Rifle Bearing
Noise: dB(A) at 10% load: 8.1
dB(A) at 20% load: 8.2
dB(A) at 50% load: 9.1
dB(A) at 100% load: 19.9
80+ Certification: 80+ Gold
Efficiency: "230V, 2% load: 73.3%
230V, 10% load: 86.4%
230V, 20% load: 90.0%
230V, 50% load: 92.7%
230V, 100% load: 90.5%"
MTBF: "100,000 hours"
Protection: Over temperature protection
Over current protection
Over power protection
Short circuit protection
Over Voltage protection
Under Voltage protection
Surge & Inrush Protection
Additional Features: See Overview / Videos
Package Contents: Power Supply
Cables
Screws
Cable ties
User manual
Weight/Dimensions: 1.55 kg
(LxWxD) 160 x 150 x 86 mm
Package Weight: 2.9500 kg
Warranty: 10 Years

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The most important aspects to look for in power supply units are wattage output, cable type and efficiency rating. You must have sufficient wattage output to power the components in your PC, while the efficiency is marked by a score of 80+ followed by a material, such as titanium or silver.

Cable type is also key to powering your computer properly, as it determines how you integrate the power supply unit into your PC. The choice of cable type can also depend on your experience; a novice PC builder may choose a non-modular or semi-modular cable type, which is a more simple installation. An experienced builder, on the other hand, may opt for a fully modular cable type. This allows them to pick and choose which cable to use for other components.

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