Product comparison · 2 power supply units

Chieftec GDP-550C power supply unit vs HP 720479-B21 power supply unit

8specifications compared
8differ
0identical
25known for one product only

Key differences

Total power
- GDP-550C power supply unit:550 W
- 720479-B21 power supply unit:800 W
AC input voltage
- GDP-550C power supply unit:200 - 240 V
- 720479-B21 power supply unit:100 - 240 V
Purpose
- GDP-550C power supply unit:PC
- 720479-B21 power supply unit:Server
Power supply unit (PSU) form factor
- GDP-550C power supply unit:PS/2
- 720479-B21 power supply unit:Flex ATX
Product colour
- GDP-550C power supply unit:Black
- 720479-B21 power supply unit:Metallic
Width
- GDP-550C power supply unit:150 mm
- 720479-B21 power supply unit:68 mm
Depth
- GDP-550C power supply unit:160 mm
- 720479-B21 power supply unit:40.4 mm
Height
- GDP-550C power supply unit:87 mm
- 720479-B21 power supply unit:225.3 mm

Side by side

Differences highlightedShow differences only

Comparison of GDP-550C, 720479-B21
33 specifications	A Chieftec GDP-550C power supply unit Model GDP-550C View product	B HP 720479-B21 power supply unit Model 720479-B21 View product
Power2 differ
Total powerDiffers	550 W	800 W
AC input voltageDiffers	200 - 240 V	100 - 240 V
AC input frequencyKnown for one	47 - 63 Hz	Unknown — not stated by the source
Input currentKnown for one	4 A	Unknown — not stated by the source
Power Factor Correction (PFC) typeKnown for one	Active	Unknown — not stated by the source
Combined power (+3.3V)Known for one	110 W	Unknown — not stated by the source
Combined power (+5V)Known for one	110 W	Unknown — not stated by the source
Max output current (+3.3V)Known for one	20 A	Unknown — not stated by the source
Max output current (+12V1)Known for one	45 A	Unknown — not stated by the source
Max output current (+5V)Known for one	20 A	Unknown — not stated by the source
Max output current (-12V)Known for one	0.3 A	Unknown — not stated by the source
Max output current (+5Vsb)Known for one	2.5 A	Unknown — not stated by the source
Power protection featuresKnown for one	Over current, Over voltage, Overheating, Overload, Short circuit, Under voltage	Unknown — not stated by the source
EfficiencyKnown for one	Unknown — not stated by the source	94%
Ports & interfacesidentical
Motherboard power connectorKnown for one	20+4 pin ATX	Unknown — not stated by the source
Number of SATA power connectorsKnown for one	6	Unknown — not stated by the source
Peripheral (Molex) power connectors (4-pin)Known for one	3	Unknown — not stated by the source
PCI Express power connectors (6+2 pin)Known for one	2	Unknown — not stated by the source
CPU power connector (4+4 pin)Known for one	Yes	Unknown — not stated by the source
Floppy drive power connectorKnown for one	1	Unknown — not stated by the source
Cabling typeKnown for one	Semi-Modular	Unknown — not stated by the source
Performance2 differ
PurposeDiffers	PC	Server
Power supply unit (PSU) form factorDiffers	PS/2	Flex ATX
ATX versionKnown for one	2.3	Unknown — not stated by the source
80 PLUS certificationKnown for one	Unknown — not stated by the source	80 PLUS Platinum
Design1 differ
Product colourDiffers	Black	Metallic
Fan diameterKnown for one	14 cm	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	150 mm	68 mm
DepthDiffers	160 mm	40.4 mm
HeightDiffers	87 mm	225.3 mm
WeightKnown for one	Unknown — not stated by the source	910 g
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84733020	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.

More power supply unit comparisons

All power supply unit comparisons