Product comparison · 2 power supply units

Chieftec APS-400SB power supply unit vs HP 517521-B21 power supply unit

6specifications compared
6differ
0identical
26known for one product only

Key differences

Total power
- APS-400SB power supply unit:400 W
- 517521-B21 power supply unit:2400 W
AC input voltage
- APS-400SB power supply unit:115 - 230 V
- 517521-B21 power supply unit:200 - 240 V
Efficiency
- APS-400SB power supply unit:85%
- 517521-B21 power supply unit:92%
Width
- APS-400SB power supply unit:150 mm
- 517521-B21 power supply unit:68.8 mm
Depth
- APS-400SB power supply unit:155 mm
- 517521-B21 power supply unit:705.1 mm
Height
- APS-400SB power supply unit:87 mm
- 517521-B21 power supply unit:55.6 mm

Side by side

Differences highlightedShow differences only

Comparison of APS-400SB, 517521-B21
32 specifications	A Chieftec APS-400SB power supply unit Model APS-400SB View product	B HP 517521-B21 power supply unit Model 517521-B21 View product
Power3 differ
Total powerDiffers	400 W	2400 W
AC input voltageDiffers	115 - 230 V	200 - 240 V
AC input frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Power factorKnown for one	0.9	Unknown — not stated by the source
Power Factor Correction (PFC) typeKnown for one	Active	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	16 A	Unknown — not stated by the source
Max output current (+12V2)Known for one	16 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
EfficiencyDiffers	85%	92%
Power protection featuresKnown for one	Over current, Over voltage, Overheating, Overload, Short circuit, Under voltage	Unknown — not stated by the source
Ports & interfacesidentical
Motherboard power connectorKnown for one	24-pin ATX	Unknown — not stated by the source
Number of SATA power connectorsKnown for one	3	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-pin)Known for one	1	Unknown — not stated by the source
Floppy drive power connectorKnown for one	1	Unknown — not stated by the source
Cabling typeKnown for one	Non-Modular	Unknown — not stated by the source
Performanceidentical
Power supply unit (PSU) form factorKnown for one	PS/2	Unknown — not stated by the source
80 PLUS certificationKnown for one	80 PLUS Bronze	Unknown — not stated by the source
ATX versionKnown for one	2.3	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	100000 h	Unknown — not stated by the source
PurposeKnown for one	Unknown — not stated by the source	Server
Designidentical
Product colourKnown for one	Grey	Unknown — not stated by the source
Cooling typeKnown for one	Active	Unknown — not stated by the source
Fan diameterKnown for one	14 cm	Unknown — not stated by the source
Number of fansKnown for one	1 fan(s)	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	150 mm	68.8 mm
DepthDiffers	155 mm	705.1 mm
HeightDiffers	87 mm	55.6 mm

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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