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550 W PSU
prices
on 55 models
550 W
clear
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by date of addition
Power (W)
Efficiency (%)
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more parameters…
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EPS12V version
SATA
MOLEX
PCI-E 6pin
PCI-E 8pin
PCI-E 8pin (6+2)
PCI-E 16pin
+12V (W)
+3.3V +5V (W)
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+5Vsb (W)
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by rating
Gigabyte PS-Series P550SS
compare
Gigabyte PS-Series
P550SS
0
0
0
2
2024
80+ Silver
Power:
550 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 5, Molex (IDE) 3
User reviews
2
Photos
7
Prices
2
550 W
24+8 (4+4) pin
550 W
24+8 (4+4) pin
white
650 W
24+8+8(4+4) pin
650 W
24+8+8(4+4) pin
white
Price from
£38.09
up to
£57.00
Compare prices and buy Gigabyte PS-Series P550SS
2 store 2 offers
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be quiet! System Power 10 BN327
compare
be quiet! System Power 10
BN327
0
0
1
0
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
User reviews
1
Videos
2
Photos
3
Prices
6
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
£51.99
up to
£74.00
Compare prices and buy be quiet! System Power 10 BN327
6 store 6 offers
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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
10
550 W
24+8 (4+4) pin
650 W
24+8 (4+4) pin
750 W
24+8+8(4+4) pin
Price from
£46.49
up to
£71.00
Compare prices and buy MSI MAG A550BN
9 store 10 offers
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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
User reviews
3
Photos
4
Prices
9
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
£79.99
up to
£110.00
Compare prices and buy be quiet! Pure Power 12 M BN341
7 store 9 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
1
550 W
750 W
Price from
£49.99
Compare prices and buy FSP Hydro GSM Lite PRO HGS-550M
1 store 1 offer
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Computer Chairs
Surge Protectors & Extension Leads
Gigabyte P-Series 2020 P550B
compare
Gigabyte P-Series 2020
P550B
3
0
2
4
Power:
550 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 6, Molex (IDE) 3
User reviews
9
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
£44.99
up to
£70.00
Compare prices and buy Gigabyte P-Series 2020 P550B
3 store 4 offers
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AZZA PSAZ PSAZ-550W
compare
AZZA PSAZ
PSAZ-550W
Power:
550 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 5, Molex (IDE) 2
Videos
4
Photos
5
Prices
1
550 W
24+8 (4+4) pin
650 W
24+8 (4+4) pin
Price from
£104.03
Compare prices and buy AZZA PSAZ PSAZ-550W
1 store 1 offer
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Gamemax GP White GP-550 White
compare
Gamemax GP White
GP-550 White
2022
GP
White Edition
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) 3
Photos
9
Prices
7
550 W
650 W
Price from
£33.72
up to
£64.00
Compare prices and buy Gamemax GP White GP-550 White
6 store 7 offers
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Chieftec Compact SFX CSN-550C
compare
Chieftec Compact SFX
CSN-550C
1
2
2
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
User reviews
6
Videos
5
Photos
6
Prices
1
450 W
550 W
650 W
Price from
£174.81
Compare prices and buy Chieftec Compact SFX CSN-550C
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
6
550 W
650 W
750 W
Price from
£51.99
up to
£82.00
Compare prices and buy Corsair CX Series V2 CP-9020277-EU
5 store 6 offers
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Zalman GigaMax GV II ZM550-GVII
compare
Zalman GigaMax GV II
ZM550-GVII
0
1
1
1
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) 3
User reviews
3
Videos
3
Photos
4
Prices
1
550 W
650 W
750 W
Price from
£108.15
Compare prices and buy Zalman GigaMax GV II ZM550-GVII
1 store 1 offer
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Endorfy Elementum E5 EY7A001
compare
Endorfy Elementum E5
EY7A001
2024
Power:
550 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 1 x 6 pin, 1 х 6+2 pin
Connectors:
SATA 4, Molex (IDE) 2
Photos
9
Prices
1
Price from
£53.99
Compare prices and buy Endorfy Elementum E5 EY7A001
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
User reviews
2
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
£142.19
Compare prices and buy Chieftec A-80 CTG-550C
1 store 1 offer
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A-Data XPG PYLON XPG PYLON 550
compare
A-Data XPG PYLON
XPG PYLON 550
XPG
Power:
550 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 5, Molex (IDE) 2
Videos
6
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
Price from
£49.99
up to
£100.00
Compare prices and buy A-Data XPG PYLON XPG PYLON 550
3 store 3 offers
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be quiet! Pure Power 12 BP001
compare
be quiet! Pure Power 12
BP001
2024
Pure
80+ Gold
10 year warranty
Power:
550 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin, 1 x 16 pin
Connectors:
SATA 5, Molex (IDE) 1
Videos
1
Photos
4
Prices
3
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
Price from
£69.98
Compare prices and buy be quiet! Pure Power 12 BP001
3 store 3 offers
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SilverStone Essential Bronze ET550-B
compare
SilverStone Essential Bronze
ET550-B
Power:
550 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 6, Molex (IDE) 3
Videos
1
Photos
18
Prices
1
Price from
£94.01
Compare prices and buy SilverStone Essential Bronze ET550-B
1 store 1 offer
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Thermaltake Smart BX1 RGB BX1 RGB 550W
compare
Thermaltake Smart BX1 RGB
BX1 RGB 550W
1
0
0
3
Smart
backlight
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) 4
User reviews
4
Videos
10
Photos
18
Prices
1
Price from
£54.26
Compare prices and buy Thermaltake Smart BX1 RGB BX1 RGB 550W
1 store 1 offer
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Chieftec A-90 GDP-550C
compare
Chieftec A-90
GDP-550C
1
1
2
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
User reviews
5
Videos
1
Photos
5
Prices
1
550 W
650 W
750 W
Price from
£147.12
Compare prices and buy Chieftec A-90 GDP-550C
1 store 1 offer
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Deepcool PL-D PL550D
compare
Deepcool PL-D
PL550D
2024
PL Series
5 year warranty
Power:
550 W
Form Factor:
ATX
Power supply:
24+8+8(4+4) pin, 3 х 6+2 pin, 1 x 16 pin
Connectors:
SATA 6, Molex (IDE) 2
Photos
9
Prices
2
550 W
650 W
750 W
800 W
Price from
£53.99
Compare prices and buy Deepcool PL-D PL550D
2 store 2 offers
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Aerocool LUX LUX 550W
compare
Aerocool LUX
LUX 550W
2021
Lux (premium class)
Power:
550 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 1 х 6+2 pin
Connectors:
SATA 4, Molex (IDE) 2
Videos
11
Photos
8
Prices
2
550 W
80+ Bronze
650 W
80+ Bronze
750 W
80+ Bronze
850 W
80+ Bronze
Price from
£45.99
Compare prices and buy Aerocool LUX LUX 550W
2 store 2 offers
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Antec Cuprum Strike CSK550
compare
Antec Cuprum Strike
CSK550
2023
Power:
550 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 7, Molex (IDE) 2
Videos
1
Photos
8
Prices
5
550 W
24+8 (4+4) pin
650 W
24+8 (4+4) pin
750 W
24+8+8(4+4) pin
Price from
£44.66
up to
£62.00
Compare prices and buy Antec Cuprum Strike CSK550
4 store 5 offers
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Gamemax RGB Smart RGB-550
compare
Gamemax RGB Smart
RGB-550
1
0
1
0
RGB Smart
backlight
80+ Gold
Power:
550 W
Form Factor:
ATX, modular
Power supply:
24+8 (4+4) pin, 1 х 6+2 pin
Connectors:
SATA 6, Molex (IDE) 3
User reviews
2
Photos
11
Prices
4
550 W
24+8 (4+4) pin
750 W
24+8 (4+4) pin
Price from
£49.99
up to
£66.00
Compare prices and buy Gamemax RGB Smart RGB-550
4 store 4 offers
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ASRock Challenger Bronze CL-550B
compare
ASRock Challenger Bronze
CL-550B
2024
Challenger
5 year warranty
Power:
550 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 4, Molex (IDE) 2
Photos
7
Prices
3
550 W
24+8 (4+4) pin
650 W
24+8 (4+4) pin
750 W
24+8+8(4+4) pin
Price from
£59.03
up to
£68.00
Compare prices and buy ASRock Challenger Bronze CL-550B
3 store 3 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
3
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
£40.32
up to
£68.00
Compare prices and buy Cooler Master MWE Bronze V2 230V MPE-5501-ACABW-B
3 store 3 offers
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Brands
A-Data
Acer
Aerocool
Akyga
Antec
ASRock
Asus
AZZA
be quiet!
Chieftec
Cooler Master
Corsair
Cougar
CRONUS
CWT
Deepcool
Endorfy
Enermax
EVGA
Fractal Design
FSP
Gamemax
Gigabyte
Hiditec
iBOX
Inter-Tech
Kolink
LC-Power
Lian Li
MODECOM
Montech
MSI
NZXT
Phanteks
Qoltec
Seasonic
Sharkoon
SilverStone
Super Flower
Tecnoware
Thermaltake
Xilence
Zalman
Brand rating
All brands
Main brands
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
ATX 2.2х
ATX 2.3х
ATX 2.4х
ATX 2.5х
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
2025
2024
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
Clear parameters
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be quiet!
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