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550 W PSU
prices
on 65 models
550 W
clear
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Power (W)
Efficiency (%)
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more parameters…
EPS12V version
SATA
MOLEX
PCI-E 6pin
PCI-E 8pin
PCI-E 8pin (6+2)
PCI-E 16pin
+12V (W)
+3.3V +5V (W)
-12V (W)
+5Vsb (W)
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Manufacturer's warranty
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by rating
MSI MAG A550BN
compare
MSI MAG
A550BN
2021
MAG
5 year warranty
Power:
550 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 5, Molex (IDE) 2
Photos
5
Prices
9
550 W
24+8 (4+4) pin
650 W
24+8 (4+4) pin
750 W
24+8+8(4+4) pin
Price from
£45.99
up to
£59.00
Compare prices and buy MSI MAG A550BN
7 store 9 offers
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be quiet! System Power 10 BN327
compare
be quiet! System Power 10
BN327
2022
System Power (available)
5 year warranty
Power:
550 W
Form Factor:
ATX
Power supply:
24+8+4 pin, 2 х 6+2 pin
Connectors:
SATA 6, Molex (IDE) 1
Videos
2
Photos
3
Prices
7
450 W
24+8 (4+4) pin
80+ Bronze
550 W
24+8+4 pin
80+ Bronze
650 W
24+8+4 pin
80+ Bronze
750 W
24+8+8(4+4) pin
80+ Bronze
850 W
24+8+8(4+4) pin
80+ Gold
Price from
£51.08
up to
£56.00
Compare prices and buy be quiet! System Power 10 BN327
6 store 7 offers
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Zalman GigaMax GV II ZM550-GVII
compare
Zalman GigaMax GV II
ZM550-GVII
0
1
1
1
2020
5 year warranty
Power:
550 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 5, Molex (IDE) 4
Videos
2
Photos
4
Prices
1
Price from
£78.33
Compare prices and buy Zalman GigaMax GV II ZM550-GVII
1 store 1 offer
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be quiet! Pure Power 12 M BN341
compare
be quiet! Pure Power 12 M
BN341
1
0
1
1
2023
Pure
80+ Gold
10 year warranty
Power:
550 W
Form Factor:
ATX, modular
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin, 1 x 16 pin
Connectors:
SATA 5, Molex (IDE) 2
Photos
4
Prices
8
550 W
24+8 (4+4) pin
650 W
24+8+4 pin
750 W
24+8+8(4+4) pin
850 W
24+8+8(4+4) pin
1000 W
24+8+8(4+4) pin
1200 W
24+8+8(4+4) pin
Price from
£84.49
up to
£88.00
Compare prices and buy be quiet! Pure Power 12 M BN341
8 store 8 offers
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Gigabyte P-Series 2020 P550B
compare
Gigabyte P-Series 2020
P550B
3
0
0
2
2020
Power:
550 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 6, Molex (IDE) 3
Photos
7
Prices
4
450 W
24+8 (4+4) pin
80+ Bronze
550 W
24+8 (4+4) pin
80+ Bronze
750 W
24+8+8(4+4) pin
80+ Gold
850 W
24+8+8(4+4) pin
80+ Gold
1000 W
24+8+8(4+4) pin
80+ Gold
Price from
£44.49
up to
£66.00
Compare prices and buy Gigabyte P-Series 2020 P550B
4 store 4 offers
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You may be interested in
Computer Cases
SSD
Hard Drives
RAM
Graphics Cards
CPUs
Motherboards
Computer Cooling
Thermal Pastes & Thermal Pads
Desktop PCs
Laptops
AVR
UPS
Gaming Consoles
Computer Chairs
Surge Protectors & Extension Leads
Chieftec Polaris PPS-550FC
compare
Chieftec Polaris
PPS-550FC
1
0
0
2
Polaris (Modular, 80+ Gold)
80+ Gold
Power:
550 W
Form Factor:
ATX, modular
Power supply:
24+8+8(4+4) pin, 2 х 6+2 pin
Connectors:
SATA 6, Molex (IDE) 3
Videos
1
Photos
5
Prices
1
550 W
650 W
750 W
850 W
1050 W
1250 W
Price from
£121.09
Compare prices and buy Chieftec Polaris PPS-550FC
1 store 1 offer
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Corsair CV Series CP-9020210-EU
compare
Corsair CV Series
CP-9020210-EU
CV (for home, office)
Power:
550 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 4
Videos
8
Photos
9
Prices
10
550 W
650 W
Price from
£44.99
up to
£75.00
Compare prices and buy Corsair CV Series CP-9020210-EU
9 store 10 offers
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Seasonic G12 GC G12-GC-550
compare
Seasonic G12 GC
G12-GC-550
2021
G12
80+ Gold
5 year warranty
Power:
550 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 3, Molex (IDE) 3
Videos
3
Photos
6
Prices
4
550 W
24+8 (4+4) pin
650 W
24+8 (4+4) pin
750 W
24+8+8(4+4) pin
850 W
24+8+8(4+4) pin
Price from
£56.99
up to
£80.00
Compare prices and buy Seasonic G12 GC G12-GC-550
4 store 4 offers
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FSP Hydro GSM Lite PRO HGS-550M
compare
FSP Hydro GSM Lite PRO
HGS-550M
2021
Hydro
80+ Gold
7 year warranty
Power:
550 W
Form Factor:
ATX, semi-modular
Power supply:
24+8+8(4+4) pin, 2 х 6+2 pin
Connectors:
SATA 6, Molex (IDE) 2
Photos
7
Prices
2
550 W
750 W
Price from
£72.99
Compare prices and buy FSP Hydro GSM Lite PRO HGS-550M
2 store 2 offers
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Chieftec Compact SFX CSN-550C
compare
Chieftec Compact SFX
CSN-550C
0
0
1
1
Compact (SFX)
80+ Gold
Power:
550 W
Form Factor:
SFX, modular
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 4, Molex (IDE) 3
Videos
3
Photos
6
Prices
2
450 W
550 W
650 W
Price from
£117.94
up to
£119.00
Compare prices and buy Chieftec Compact SFX CSN-550C
2 store 2 offers
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Gamemax GP White GP-550 White
compare
Gamemax GP White
GP-550 White
2022
GP
White Edition
Power:
550 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 1 х 6+2 pin
Connectors:
SATA 5, Molex (IDE) 3
Photos
7
Prices
4
550 W
650 W
Price from
£44.95
up to
£50.00
Compare prices and buy Gamemax GP White GP-550 White
4 store 4 offers
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Chieftec SteelPower BDK-550FC
compare
Chieftec SteelPower
BDK-550FC
2021
5 year warranty
Power:
550 W
Form Factor:
ATX, modular
Power supply:
24+8+8(4+4) pin, 2 х 6+2 pin
Connectors:
SATA 6, Molex (IDE) 3
Videos
2
Photos
10
Prices
2
550 W
650 W
750 W
Price from
£96.49
up to
£108.00
Compare prices and buy Chieftec SteelPower BDK-550FC
2 store 2 offers
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Chieftec PowerPlay Gold GPU-550FC
compare
Chieftec PowerPlay Gold
GPU-550FC
1
0
0
0
PowerPlay (modular, 80+ Gold/Platinum)
semi-passive cooling
80+ Gold
Power:
550 W
Form Factor:
ATX, modular
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 6, Molex (IDE) 3
Photos
10
Prices
1
550 W
650 W
750 W
Price from
£139.97
Compare prices and buy Chieftec PowerPlay Gold GPU-550FC
1 store 1 offer
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Corsair CX Series V2 CP-9020277-EU
compare
Corsair CX Series V2
CP-9020277-EU
2023
CX (80+ Bronze)
5 year warranty
Power:
550 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 3, Molex (IDE) 2
Photos
11
Prices
8
550 W
650 W
750 W
Price from
£51.47
up to
£85.00
Compare prices and buy Corsair CX Series V2 CP-9020277-EU
7 store 8 offers
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Seasonic B12 BC B12-BC-550
compare
Seasonic B12 BC
B12-BC-550
0
0
0
1
2021
B12 BC
5 year warranty
Power:
550 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 3, Molex (IDE) 3
Photos
6
Prices
5
550 W
24+8 (4+4) pin
650 W
24+8 (4+4) pin
750 W
24+8+8(4+4) pin
850 W
24+8+8(4+4) pin
Price from
£54.95
up to
£66.00
Compare prices and buy Seasonic B12 BC B12-BC-550
5 store 5 offers
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Fractal Design Ion Gold FD-P-IA2G-550
compare
Fractal Design Ion Gold
FD-P-IA2G-550
2021
80+ Gold
7 year warranty
Power:
550 W
Form Factor:
ATX, modular
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 6, Molex (IDE) 3
Videos
5
Photos
21
Prices
2
550 W
24+8 (4+4) pin
650 W
24+8 (4+4) pin
750 W
24+8+8(4+4) pin
Price from
£76.05
Compare prices and buy Fractal Design Ion Gold FD-P-IA2G-550
2 store 2 offers
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Cooler Master MWE Bronze V2 230V MPE-5501-ACABW-B
compare
Cooler Master MWE Bronze V2 230V
MPE-5501-ACABW-B
2023
MWE Series
5 year warranty
Power:
550 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 6, Molex (IDE) 3
Photos
10
Prices
6
550 W
24+8 (4+4) pin
650 W
24+8+8(4+4) pin
750 W
24+8+8(4+4) pin
Price from
£49.94
up to
£57.00
Compare prices and buy Cooler Master MWE Bronze V2 230V MPE-5501-ACABW-B
5 store 6 offers
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Seasonic FOCUS GX FOCUS GX-550
compare
Seasonic FOCUS GX
FOCUS GX-550
0
0
1
2
FOCUS
semi-passive cooling
80+ Gold
10 year warranty
Power:
550 W
Form Factor:
ATX, modular
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 6, Molex (IDE) 3
Videos
20
Photos
13
Prices
5
550 W
24+8 (4+4) pin
750 W
24+8+8(4+4) pin
850 W
24+8+8(4+4) pin
1000 W
24+8+8(4+4) pin
Price from
£94.99
up to
£108.00
Compare prices and buy Seasonic FOCUS GX FOCUS GX-550
5 store 5 offers
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Chieftec A-90 GDP-550C
compare
Chieftec A-90
GDP-550C
1
1
1
1
A-90 (efficiency)
Power:
550 W
Form Factor:
ATX, semi-modular
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 6, Molex (IDE) 3
Videos
1
Photos
5
Prices
1
550 W
650 W
750 W
Price from
£100.26
Compare prices and buy Chieftec A-90 GDP-550C
1 store 1 offer
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Fractal Design Ion+ 2 Platinum FD-P-IA2P-560
compare
Fractal Design Ion+ 2 Platinum
FD-P-IA2P-560
2021
semi-passive cooling
80+ Platinum
10 year warranty
Power:
560 W
Form Factor:
ATX, modular
Power supply:
24+8+8(4+4) pin, 4 х 6+2 pin
Connectors:
SATA 6, Molex (IDE) 4
Videos
3
Photos
16
Prices
7
560 W
660 W
760 W
860 W
Price from
£102.49
up to
£118.00
Compare prices and buy Fractal Design Ion+ 2 Platinum FD-P-IA2P-560
7 store 7 offers
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Seasonic G12 GM G12-GM-550
compare
Seasonic G12 GM
G12-GM-550
2022
G12
80+ Gold
5 year warranty
Power:
550 W
Form Factor:
ATX, semi-modular
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 6, Molex (IDE) 3
Videos
1
Photos
5
Prices
3
550 W
24+8 (4+4) pin
650 W
24+8+8(4+4) pin
750 W
24+8+8(4+4) pin
850 W
24+8+8(4+4) pin
Price from
£69.95
up to
£82.00
Compare prices and buy Seasonic G12 GM G12-GM-550
3 store 3 offers
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Chieftec PowerUp GPX-550FC
compare
Chieftec PowerUp
GPX-550FC
2021
PowerUp (modular, 80+ Gold)
80+ Gold
5 year warranty
Power:
550 W
Form Factor:
ATX, modular
Power supply:
24+8+8(4+4) pin, 2 х 6+2 pin
Connectors:
SATA 6, Molex (IDE) 3
Photos
8
Prices
2
550 W
650 W
750 W
850 W
Price from
£106.29
up to
£119.00
Compare prices and buy Chieftec PowerUp GPX-550FC
2 store 2 offers
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NZXT C Series Bronze 2022 C550 Bronze
compare
NZXT C Series Bronze 2022
C550 Bronze
2022
5 year warranty
Power:
550 W
Form Factor:
ATX, semi-modular
Power supply:
24+8+8(4+4) pin, 4 х 6+2 pin
Connectors:
SATA 6, Molex (IDE) 3
Videos
1
Photos
6
Prices
1
550 W
650 W
750 W
Price from
£78.26
Compare prices and buy NZXT C Series Bronze 2022 C550 Bronze
1 store 1 offer
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Chieftec A-80 CTG-550C
compare
Chieftec A-80
CTG-550C
0
0
1
1
Power:
550 W
Form Factor:
ATX, semi-modular
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 6, Molex (IDE) 4
Photos
2
Prices
1
550 W
24+8 (4+4) pin
650 W
24+8 (4+4) pin
750 W
24+8 (4+4) pin
Price from
£100.26
Compare prices and buy Chieftec A-80 CTG-550C
1 store 1 offer
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Brand rating
All brands
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Series
Power
≤ 350W
400 W
450 W
500 W
550 W
600 W
650 W
700 W
750 W
800 W
850 W
1 kW
> 1 kW
Form factor
ATX
TFX
SFX
Features
active PFC
braided wires
over voltage protection
over power protection
short circuit protection
active cooling (fan)
semi-passive cooling
fan backlight
backlight sync
White Edition
for mining
80 PLUS certification
80+
80+ Bronze
80+ White
80+ Silver
80+ Gold
80+ Platinum
80+ Titanium
MB/CPU power supply
24+4 pin
24+8(4+4) pin
24+8+8(4+4) pin
Graphics card power
1 x 6 pin
2 x 6 pin
1 x (6+2) pin
2 x (6+2) pin
4 x (6+2) pin
≥ 6 x (6+2) pin
1 x 16 pin (12VHPWR)
ATX version
2.2x
2.3x
2.4x
2.5x
ATX 3.0 (Gen5)
Cable system
non-modular
semi-modular
modular
SATA connectors
1 – 2
3 – 5
6 – 9
≥ 10
Molex connectors (IDE)
1 – 2
3 – 4
5 – 6
> 6
Fan size
80 mm
120 mm
135 mm
140 mm
Noise level
≤20 dB
21 – 25 dB
26 – 30 dB
> 30 dB
Manufacturer's warranty
2 years
3 years
5 years
7 years
10 years
12 years
Release year
2024
2023
earlier
roll up
more
Fan bearing
sliding
rolling
hydrodynamic
MB cable length
< 50 cm
50 – 54 cm
55 – 59 cm
60 – 64 cm
≥ 65 cm
CPU cable length
< 50 cm
50 – 59 cm
60 – 69 cm
≥ 70 cm
SATA cable length
< 50 cm
50 – 59 cm
60 – 69 cm
≥ 70 cm
MOLEX cable length
< 50 cm
50 – 59 cm
60 – 69 cm
≥ 70 cm
PCI-E cable length
< 50 cm
50 – 59 cm
60 – 69 cm
≥ 70 cm
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