GIGABYTE · Power Supply Unit

GIGABYTE P450B power supply unit price in United Kingdom

Model P450BMPN GP-P450BEAN 813567028659EAN 4719331551612

ColourBlack
Total power450 W
Motherboard power connector20+4 pin ATX
PurposePC

Lowest price incl. delivery

£44.15

at PCHUB.UKFree deliveryIn stock

2 stores
Range £44.15 – £44.15
2 in stock
1 with free delivery
Checked 6 Oct 2026, 05:40 UTC

Ad · prices and stock as last reported by the store; the store's checkout is what counts.

Full specifications and side-by-side comparison

Prices in United Kingdom

2 stores · prices in GBP · updated 6 Oct 2026, 05:40 UTC

Lowest price£44.15at PCHUB.UK · free shippingGo to PCHUB.UK

Price range across 2 offers

Every store asks the same price.

2 of 2 stores in stock
1 with free shipping
Checked 6 Oct 2026, 05:40 UTC

PCHUB.UKLowest priceGigabyte P450B power supply unit 450 W 20+4 pin ATX ATX Black In stockFree shipping
£44.15incl. free shipping
Go to store : PCHUB.UK (opens in a new tab)
PcNova.co.ukGigabyte P450B power supply unit 450 W 20+4 pin ATX ATX Black In stockShipping not stated
£44.15item price, shipping extra
Go to store : PcNova.co.uk (opens in a new tab)

Ad: we may earn a commission when you buy through these links; it never changes the order, which is by total price only. Prices and stock are shown as each store states them, as of 6 Oct 2026, 05:40 UTC, and can change at any time. Taxes are included only where the store includes them.

Price history in United Kingdom

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Best price · PCHUB.UK£44.15

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Product details

Identification

Brand: GIGABYTE
Product: P450B power supply unit
Full name: GIGABYTE P450B power supply unit 450 W 20+4 pin ATX ATX Black
Manufacturer part number: GP-P450B
EAN / UPC: 813567028659, 4719331551612, 4719331551629, 4719331551674
Category: Power Supply Unit

50 specifications from the manufacturer's data sheet

Power

Total power	450 W
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Input current	8 - 4 A
Power factor	0.9
Power Factor Correction (PFC) type	Active
Combined power (+3.3V)	103 W
Combined power (+12V)	432 W
Combined power (+5V)	103 W
Combined power (-12V)	3.6 W
Combined power (+5Vsb)	15 W
Max output current (+3.3V)	18 A
Max output current (+12V)	36 A
Max output current (+5V)	15 A
Max output current (-12V)	0.3 A
Max output current (+5Vsb)	3 A
Efficiency	85%
Hold time	16 ms
Power protection features	Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage

Ports & interfaces

Motherboard power connector	20+4 pin ATX
Motherboard power cable length	55 cm
Number of SATA power connectors	6
SATA power cable length	500 mm
Peripheral (Molex) power connectors (4-pin)	3
Peripheral (Molex) power cable length	500 mm
PCI Express power connectors (6+2 pin)	2
PCI Express power cable length	55 cm
CPU power connector (4+4 pin)	Yes
CPU power cable length	60 cm
ATX power connector (20+4 pin)	Yes
Floppy disk drive connector	Yes
Floppy drive power connector	1
PCI Express connector	Yes
Cabling type	Non-Modular

Performance

Purpose	PC
Power supply unit (PSU) form factor	ATX
80 PLUS certification	80 PLUS Bronze
ATX version	2.31
Bearing technology	HDB
Mean time between failures (MTBF)	100000 h