Product comparison · 2 power supply units

HP 412138R-B21 power supply unit vs UNYKAch 51839 power supply unit

Key differences

Total power
- 412138R-B21 power supply unit:2250 W
- 51839 power supply unit:520 W
AC input voltage
- 412138R-B21 power supply unit:100 - 240 V
- 51839 power supply unit:115 - 230 V
Purpose
- 412138R-B21 power supply unit:Server
- 51839 power supply unit:PC
Width
- 412138R-B21 power supply unit:219.2 mm
- 51839 power supply unit:140 mm
Depth
- 412138R-B21 power supply unit:892.3 mm
- 51839 power supply unit:150 mm
Height
- 412138R-B21 power supply unit:222.2 mm
- 51839 power supply unit:85 mm

Differences highlightedShow differences only

Comparison of 412138R-B21, 51839
20 specifications	A HP 412138R-B21 power supply unit Model 412138R-B21 View product	B UNYKAch 51839 power supply unit Model 51839 View product
Power2 differ
Total powerDiffers	2250 W	520 W
AC input voltageDiffers	100 - 240 V	115 - 230 V
Ports & interfacesidentical
Motherboard power connectorKnown for one	Unknown — not stated by the source	20+4 pin ATX
Number of PATA power connectorsKnown for one	Unknown — not stated by the source	4
Number of SATA power connectorsKnown for one	Unknown — not stated by the source	2
Floppy drive power connectorKnown for one	Unknown — not stated by the source	1
Performance1 differ
PurposeDiffers	Server	PC
Power supply unit (PSU) form factorKnown for one	Unknown — not stated by the source	ATX
Compatible productsKnown for one	BladeSystem c7000 Enclosure	Unknown — not stated by the source
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Silver
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
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
CertificationKnown for one	Unknown — not stated by the source	EN, TÜV
Weight & dimensions3 differ
WidthDiffers	219.2 mm	140 mm
DepthDiffers	892.3 mm	150 mm
HeightDiffers	222.2 mm	85 mm
WeightKnown for one	3.85 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.