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Impartial price comparison

Seasonic Prime Ultra Titanium 1000W vs. Corsair SF750 Platinum 750W + 9

Seasonic Prime Ultra Titanium 1000W

Seasonic Prime Ultra Titanium 1000W

£325.66

£332.84 Incl. delivery
Corsair SF750 Platinum 750W

Corsair SF750 Platinum 750W

£119.65

£124.68 Incl. delivery
Corsair RM850X V2 850W

Corsair RM850X V2 850W

£109.99

Free delivery
Corsair AX1600i 1600W

Corsair AX1600i 1600W

£407.45

£414.63 Incl. delivery
Corsair RM750X V2 750W

Corsair RM750X V2 750W

£91.00

Free delivery
Corsair RM850 850W

Corsair RM850 850W

£79.98

Free delivery
Corsair HX1200 V2 1200W

Corsair HX1200 V2 1200W

£195.00

£200.03 Incl. delivery
Corsair RM750 V2 750W

Corsair RM750 V2 750W

£69.98

Free delivery
Corsair TX550M V3 550W

Corsair TX550M V3 550W

£53.99

£59.99 Incl. delivery
ATX
1
1
1
1
1
1
1
ATX12V
1
2
1
1
2
1
1
1
EPS12V
2
2
1
2
2
2
2
1
Fan connection
0
0
0
0
0
0
0
Power connections for PCI-Express
8
4
6
8
4
4
6
8
3
2
Power connectors for SATA
14
8
10
16
8
9
10
16
10
12
5
Dimensions (WxHxD)
Depth
170 mm
100 mm
160 mm
200 mm
100 mm
160 mm
180 mm
200 mm
160 mm
160 mm
140 mm
Height
86 mm
63.5 mm
86 mm
86 mm
63.5 mm
86 mm
86 mm
86 mm
86 mm
86 mm
86 mm
Width
150 mm
125 mm
150 mm
150 mm
125 mm
150 mm
150 mm
150 mm
150 mm
150 mm
150 mm
Features
PFC (Power Factor Correction)
PFC (Power Factor Correction)
PFC (Power Factor Correction)
PFC (Power Factor Correction)
PFC (Power Factor Correction)
PFC (Power Factor Correction)
PFC (Power Factor Correction)
PFC (Power Factor Correction)
PFC (Power Factor Correction)
PFC (Power Factor Correction)
PFC (Power Factor Correction)
80-plus certification
Titanium
Platinum
Gold
Titanium
Gold
Gold
Gold
Platinum
Gold
Gold
Gold
Active cooling (fan)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Bearing type
Liquid bearing
Plain bearing
Ball bearing
Ball bearing
Liquid bearing
Ball bearing
Liquid bearing
Ball bearing
Plain bearing
Fan size
135 mm
92 mm
135 mm
140 mm
92 mm
135 mm
140 mm
135 mm
140 mm
120 mm
Number of fans
1 ​
1 ​
1 ​
1 ​
1 ​
1 ​
1 ​
1 ​
Semi-passive (passive at low efficiency)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Temperature-controlled fan
Yes
Yes
Yes
Yes
Yes
Yes
No
Cable socks
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Capacity
1000 W
750 W
850 W
1600 W
850 W
750 W
850 W
1200 W
750 W
750 W
550 W
Current -12V
0.3 A
0.3 A
0.8 A
0.8 A
0.8 A
0.8 A
0.8 A
0.8 A
Current 3.3V
25 A
20 A
25 A
30 A
25 A
25 A
25 A
20 A
25 A
Current 5V
25 A
20 A
25 A
30 A
25 A
25 A
25 A
25 A
20 A
Current 5Vsb
3 A
2.5 A
3 A
3.5 A
3 A
3 A
3 A
3 A
3 A
3 A
Efficiency
90 %
93 %
93 %
94 %
90 %
93 %
92 %
90 %
90 %
Format (PSU)
ATX
SFX
ATX
ATX
SFX
ATX
ATX
ATX
ATX
ATX
ATX
EPS12V
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Version (EPS)
EPS12V 2.92
EPS12V 2.92
EPS12V 2.92
EPS12V 2.92
EPS12V 2.92
EPS12V 2.92
EPS12V 2.92
Version (ATX)
ATX12V 2.3
ATX12V 2.4
ATX12V 2.4
ATX12V 2.4
ATX12V 2.4
ATX12V 2.4
ATX12V 2.4
Version (SFX)
SFX12V 3.3
SFX12V 3.3
Modular Type
Fully Modular
Fully Modular
Fully Modular
Fully Modular
Fully Modular
Fully Modular
Fully Modular
Fully Modular
Fully Modular
Fully Modular
Semi Modular
Modular
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Number 12V lines
1
1
1
1
1
8
1
Total amperage 12V
83 A
62.5 A
70.8 A
133.3 A
62.5 A
70.8 A
100 A
54 A
43 A
Release year
2017
2019
2018
2018
2018
2013
2017
2017