Product comparison · 2 power supply units

FSP HA2-550 power supply unit vs FSP VITA GD 850W

26specifications compared
14differ
12identical
13known for one product only

Key differences

Total power
- HA2-550 power supply unit:550 W
- VITA GD 850W:850 W
Input current
- HA2-550 power supply unit:3-7.5 A
- VITA GD 850W:10.5 - 5 A
Combined power (+12V)
- HA2-550 power supply unit:550 W
- VITA GD 850W:850 W
Combined power (+5Vsb)
- HA2-550 power supply unit:12.5 W
- VITA GD 850W:15 W
Max output current (+12V)
- HA2-550 power supply unit:45.8 A
- VITA GD 850W:70.83 A
Max output current (+5Vsb)
- HA2-550 power supply unit:2.5 A
- VITA GD 850W:3 A
Efficiency
- HA2-550 power supply unit:85%
- VITA GD 850W:90%
Motherboard power connector
- HA2-550 power supply unit:24-pin ATX
- VITA GD 850W:20+4 pin ATX

Side by side

Differences highlightedShow differences only

Comparison of HA2-550, VITA GD 850W
39 specifications	A FSP HA2-550 power supply unit Model HA2-550 View product	B FSP VITA GD 850W View product
Power7 differ
Total powerDiffers	550 W	850 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	50/60 Hz	50/60 Hz
Input currentDiffers	3-7.5 A	10.5 - 5 A
Power Factor Correction (PFC) typeKnown for one	Unknown — not stated by the source	Active
Combined power (+3.3V)	100 W	100 W
Combined power (+12V)Differs	550 W	850 W
Combined power (+5V)	100 W	100 W
Combined power (-12V)	3.6 W	3.6 W
Combined power (+5Vsb)Differs	12.5 W	15 W
Max output current (+3.3V)	20 A	20 A
Max output current (+12V)Differs	45.8 A	70.83 A
Max output current (+5V)	20 A	20 A
Max output current (-12V)	0.3 A	0.3 A
Max output current (+5Vsb)Differs	2.5 A	3 A
EfficiencyDiffers	85%	90%
Power protection featuresKnown for one	Unknown — not stated by the source	Over voltage, Over current, Over power, Overheating, Short circuit, No load operation, Surge and inrush, Under voltage
Hold timeKnown for one	17 ms	Unknown — not stated by the source
Ports & interfaces4 differ
Motherboard power connectorDiffers	24-pin ATX	20+4 pin ATX
Number of SATA power connectorsDiffers	8	4
Peripheral (Molex) power connectors (4-pin)Differs	2	4
PCI Express power connectors (6+2 pin)Differs	2	4
CPU power connector (4+4 pin)Known for one	Unknown — not stated by the source	Yes
EPS power connector (4+4 pin)Known for one	Yes	Unknown — not stated by the source
Floppy disk drive connectorKnown for one	Yes	Unknown — not stated by the source
Performance1 differ
Purpose	PC	PC
Power supply unit (PSU) form factor	ATX	ATX
80 PLUS certificationDiffers	80 PLUS Bronze	80 PLUS Gold
ATX versionKnown for one	Unknown — not stated by the source	3.1
Bearing technologyKnown for one	Unknown — not stated by the source	HYB
Designidentical
Product colour	Black	Black
Cooling typeKnown for one	Unknown — not stated by the source	Active
Fan diameterKnown for one	Unknown — not stated by the source	12 cm
Number of fansKnown for one	Unknown — not stated by the source	1 fan(s)
On/off switchKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions2 differ
WidthDiffers	140 mm	150 mm
DepthDiffers	150 mm	140 mm
Height	86 mm	86 mm
WeightKnown for one	1.33 kg	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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