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PSUs
400 W PSU
prices
on 22 models
400 W
clear
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highest to lowest price
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Power (W)
Efficiency (%)
Fan size (mm)
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ATX12V version
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)
Noise level (dB)
Manufacturer's warranty
Weight (kg)
by rating
Chieftec Value APB-400B8
compare
Chieftec Value
APB-400B8
0
0
1
0
Value
Power:
400 W
Form Factor:
ATX
Power supply:
24+4 pin, 1 х 6+2 pin
Connectors:
SATA 3, Molex (IDE) 2
Photos
5
Prices
1
400 W
24+4 pin
500 W
24+4 pin
Price from
£89.08
Compare prices and buy Chieftec Value APB-400B8
1 store 1 offer
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Deepcool PF PF400
compare
Deepcool PF
PF400
2022
PF Series
Power:
400 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 6, Molex (IDE) 2
Videos
5
Photos
8
Prices
1
350 W
24+8 (4+4) pin
400 W
24+8 (4+4) pin
500 W
24+8 (4+4) pin
600 W
24+8+8(4+4) pin
700 W
24+8+8(4+4) pin
Price from
£34.57
Compare prices and buy Deepcool PF PF400
1 store 1 offer
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Chieftec Proton BDF-400S
compare
Chieftec Proton
BDF-400S
2
3
4
7
Proton (one powerful +12V line)
Power:
400 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 1 x 6 pin
Connectors:
SATA 3, Molex (IDE) 3
User reviews
1
Photos
4
Prices
1
400 W
24+8 (4+4) pin
600 W
24+8 (4+4) pin
650 W
24+8 (4+4) pin
750 W
24+8 (4+4) pin
850 W
24+8 (4+4) pin
1000 W
24+8+8(4+4) pin
Price from
£106.98
Compare prices and buy Chieftec Proton BDF-400S
1 store 1 offer
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be quiet! System Power 9 CM BN300
compare
be quiet! System Power 9 CM
BN300
0
0
0
1
System Power (available)
Power:
400 W
Form Factor:
ATX, semi-modular
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 5, Molex (IDE) 2
Videos
1
Photos
5
Prices
5
Price from
£41.99
up to
£66.00
Compare prices and buy be quiet! System Power 9 CM BN300
4 store 5 offers
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be quiet! Pure Power 11 BN292
compare
be quiet! Pure Power 11
BN292
1
0
0
3
Pure
80+ Gold
5 year warranty
Power:
400 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 5, Molex (IDE) 2
Videos
11
Photos
4
Prices
8
300 W
80+ Bronze
400 W
80+ Gold
Price from
£46.99
up to
£80.00
Compare prices and buy be quiet! Pure Power 11 BN292
7 store 8 offers
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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
be quiet! Pure Power 9 Modular BN266
compare
be quiet! Pure Power 9 Modular
BN266
Pure
80+ Silver
Power:
400 W
Form Factor:
ATX, semi-modular
Power supply:
24+4 pin, 2 х 6+2 pin
Connectors:
SATA 5, Molex (IDE) 2
Prices
4
400 W
24+4 pin
600 W
24+8 (4+4) pin
Price from
£62.40
up to
£77.00
Compare prices and buy be quiet! Pure Power 9 Modular BN266
4 store 4 offers
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Xilence Performance C XP400R6
compare
Xilence Performance C
XP400R6
Performance
Power:
400 W
Form Factor:
ATX
Power supply:
24+4 pin, 1 x 6 pin
Connectors:
SATA 3, Molex (IDE) 1
Prices
1
400 W
24+4 pin
600 W
24+8 (4+4) pin
Price from
£43.80
Compare prices and buy Xilence Performance C XP400R6
1 store 1 offer
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be quiet! Pure Power 9 BN262
compare
be quiet! Pure Power 9
BN262
Pure
80+ Silver
Power:
400 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 5, Molex (IDE) 2
Photos
3
Prices
4
Price from
£88.74
up to
£94.00
Compare prices and buy be quiet! Pure Power 9 BN262
4 store 4 offers
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SilverStone Strider Essential ST40F-ES230
compare
SilverStone Strider Essential
ST40F-ES230
2024
Power:
400 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 4, Molex (IDE) 3
Photos
11
Prices
2
Price from
£42.99
up to
£43.00
Compare prices and buy SilverStone Strider Essential ST40F-ES230
2 store 2 offers
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Inter-Tech Argus APS APS-420W
compare
Inter-Tech Argus APS
APS-420W
2024
Power:
420 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 1 х 6+2 pin
Connectors:
SATA 3, Molex (IDE) 2
Photos
5
Prices
2
420 W
520 W
620 W
Price from
£27.99
Compare prices and buy Inter-Tech Argus APS APS-420W
2 store 2 offers
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Qoltec SilentLine ATX 425W BULK
compare
Qoltec SilentLine
ATX 425W BULK
2024
Power:
425 W
Form Factor:
ATX
Power supply:
24 (20+4) pin
Connectors:
SATA 3, Molex (IDE) 3
Photos
6
Prices
2
350 W
425 W
Price from
£49.97
Compare prices and buy Qoltec SilentLine ATX 425W BULK
2 store 2 offers
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Antec Basiq VP400PC
compare
Antec Basiq
VP400PC
Power:
400 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 1 x 6 pin
Connectors:
SATA 4, Molex (IDE) 3
Videos
3
Photos
3
Prices
2
400 W
24+8 (4+4) pin
500 W
24+8 (4+4) pin
650 W
24+8 (4+4) pin
Price from
£45.47
up to
£48.00
Compare prices and buy Antec Basiq VP400PC
2 store 2 offers
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Gamemax GP Series GP-400A
compare
Gamemax GP Series
GP-400A
1
3
0
2
GP
Power:
400 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 1 х 6+2 pin
Connectors:
SATA 3, Molex (IDE) 2
Photos
7
Prices
2
400 W
80+ Bronze
500 W
80+ Bronze
white
550 W
80+
650 W
80+
750 W
80+ Bronze
750 W
80+ Bronze
white
850 W
80+ Bronze
850 W
80+ Bronze
white
Price from
£39.37
up to
£40.00
Compare prices and buy Gamemax GP Series GP-400A
2 store 2 offers
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LC-Power Office Series LC420H-12 V1.3
compare
LC-Power Office Series
LC420H-12 V1.3
1
0
0
0
2022
Power:
420 W
Form Factor:
ATX
Power supply:
24+4 pin
Connectors:
SATA 4, Molex (IDE) 2
Prices
1
350 W
24+8 (4+4) pin
80+ Bronze
420 W
24+4 pin
without 80+
450 W
24+8 (4+4) pin
80+ Bronze
500 W
24+8 (4+4) pin
80+ Bronze
500 W
24+8 (4+4) pin
without 80+
600 W
24+8 (4+4) pin
without 80+
Price from
£31.69
Compare prices and buy LC-Power Office Series LC420H-12 V1.3
1 store 1 offer
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Rebeltec Titan Titan 400
compare
Rebeltec Titan
Titan 400
2022
Power:
400 W
Form Factor:
ATX
Power supply:
24+4 pin
Connectors:
SATA 3, Molex (IDE) 2
Photos
2
Prices
1
400 W
24+4 pin
450 W
24+4 pin
500 W
24+8 (4+4) pin
Price from
£47.40
Compare prices and buy Rebeltec Titan Titan 400
1 store 1 offer
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Kolink Classic Power KL-400v2
compare
Kolink Classic Power
KL-400v2
2022
Power:
400 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 1 х 6+2 pin
Connectors:
SATA 3, Molex (IDE) 2
Photos
8
Prices
1
400 W
500 W
600 W
700 W
Price from
£43.49
Compare prices and buy Kolink Classic Power KL-400v2
1 store 1 offer
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iBOX Cube II Cube II 400W
compare
iBOX Cube II
Cube II 400W
2022
Power:
400 W
Form Factor:
ATX
Power supply:
24 (20+4) pin
Connectors:
SATA 2, Molex (IDE) 3
Photos
4
Prices
1
400 W
500 W
Price from
£22.99
Compare prices and buy iBOX Cube II Cube II 400W
1 store 1 offer
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Logic Concept ZAS-LOGI-LC-400-ATX-PFC
compare
Logic Concept
ZAS-LOGI-LC-400-ATX-PFC
2022
Power:
400 W
Form Factor:
ATX
Power supply:
24+4 pin
Connectors:
SATA 2, Molex (IDE) 2
Videos
3
Prices
1
400 W
500 W
Price from
£24.99
Compare prices and buy Logic Concept ZAS-LOGI-LC-400-ATX-PFC
1 store 1 offer
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Cooler Master MWE White 230V V2 MPE-4001-ACABW
compare
Cooler Master MWE White 230V V2
MPE-4001-ACABW
1
0
0
4
2020
MWE Series
Power:
400 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 1 х 6+2 pin
Connectors:
SATA 6, Molex (IDE) 3
Videos
2
Photos
9
Prices
1
400 W
24+8 (4+4) pin
450 W
24+8 (4+4) pin
700 W
24+8 (4+4) pin
750 W
24+8+8(4+4) pin
Price from
£39.14
Compare prices and buy Cooler Master MWE White 230V V2 MPE-4001-ACABW
1 store 1 offer
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Akyga Basic AK-B1-400
compare
Akyga Basic
AK-B1-400
Power:
400 W
Form Factor:
ATX
Power supply:
24+4 pin
Connectors:
SATA 3, Molex (IDE) 2
Photos
4
Prices
1
400 W
24+4 pin
450 W
24+4 pin
500 W
24+4 pin
500 W
24+4 pin
PCI-E 6pin
600 W
24+8 (4+4) pin
Price from
£16.99
Compare prices and buy Akyga Basic AK-B1-400
1 store 1 offer
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Chieftec iARENA GPB GPB-400S
compare
Chieftec iARENA GPB
GPB-400S
0
0
1
1
iArena (economical and eco-friendly)
Power:
400 W
Form Factor:
ATX
Power supply:
24+4 pin, 1 х 6+2 pin
Connectors:
SATA 5, Molex (IDE) 3
Photos
4
Prices
2
350 W
400 W
450 W
500 W
Price from
£34.99
Compare prices and buy Chieftec iARENA GPB GPB-400S
2 store 2 offers
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be quiet! System Power 8 BN240
compare
be quiet! System Power 8
BN240
System Power (available)
Power:
400 W
Form Factor:
ATX
Power supply:
24+8 (4+4) pin, 2 х 6+2 pin
Connectors:
SATA 5, Molex (IDE) 2
Videos
1
Prices
1
Price from
£39.98
Compare prices and buy be quiet! System Power 8 BN240
1 store 1 offer
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Brands
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be quiet!
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Endorfy
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FSP
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Hiditec
iBOX
Inter-Tech
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Lian Li
Logic
MODECOM
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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
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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