Product comparison · 2 power supply units

i-tec PS380W power supply unit vs Lenovo 81Y6557 power supply unit

4specifications compared
4differ
0identical
33known for one product only

Key differences

Total power
- PS380W power supply unit:380 W
- 81Y6557 power supply unit:675 W
AC input frequency
- PS380W power supply unit:50 Hz
- 81Y6557 power supply unit:50 - 60 Hz
Purpose
- PS380W power supply unit:PC
- 81Y6557 power supply unit:Server
Redundant power supply (RPS) support
- PS380W power supply unit:No
- 81Y6557 power supply unit:Yes

Side by side

Differences highlightedShow differences only

Comparison of PS380W, 81Y6557
37 specifications	A i-tec PS380W power supply unit Model PS380W View product	B Lenovo 81Y6557 power supply unit Model 81Y6557 View product
Power2 differ
Total powerDiffers	380 W	675 W
AC input frequencyDiffers	50 Hz	50 - 60 Hz
Input currentKnown for one	8 A	Unknown — not stated by the source
Power Factor Correction (PFC) typeKnown for one	Passive	Unknown — not stated by the source
Combined power (+3.3V)Known for one	120 W	Unknown — not stated by the source
Combined power (+12V)Known for one	300 W	Unknown — not stated by the source
Combined power (+5V)Known for one	120 W	Unknown — not stated by the source
Combined power (-12V)Known for one	3.6 W	Unknown — not stated by the source
Combined power (+5Vsb)Known for one	12.5 W	Unknown — not stated by the source
Max output current (+3.3V)Known for one	24 A	Unknown — not stated by the source
Max output current (+12V)Known for one	17 A	Unknown — not stated by the source
Max output current (+5V)Known for one	15 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 A	Unknown — not stated by the source
Power protection featuresKnown for one	Over power, Over voltage, Short circuit	Unknown — not stated by the source
AC input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Ports & interfacesidentical
Motherboard power connectorKnown for one	20+4 pin ATX	Unknown — not stated by the source
Number of SATA power connectorsKnown for one	4	Unknown — not stated by the source
Peripheral (Molex) power connectors (4-pin)Known for one	2	Unknown — not stated by the source
EPS power connector (8-pin)Known for one	Yes	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
Performance1 differ
PurposeDiffers	PC	Server
Power supply unit (PSU) form factorKnown for one	ATX	Unknown — not stated by the source
ATX versionKnown for one	2.2	Unknown — not stated by the source
Compatible productsKnown for one	Unknown — not stated by the source	System x3650 M3
Designidentical
Product colourKnown for one	Grey	Unknown — not stated by the source
Fan diameterKnown for one	12 cm	Unknown — not stated by the source
Number of fansKnown for one	1 fan(s)	Unknown — not stated by the source
Fan locationKnown for one	Top	Unknown — not stated by the source
LED indicatorsKnown for one	No	Unknown — not stated by the source
Certificatesidentical
CertificationKnown for one	CE, RoHS	Unknown — not stated by the source
Other features1 differ
Output voltage noteKnown for one	3.3V, 5V, +12V1, +12V2, -12V, +5Vsb	Unknown — not stated by the source
Power over Ethernet (PoE)Known for one	No	Unknown — not stated by the source
Power supply typeKnown for one	AC/DC	Unknown — not stated by the source
Redundant power supply (RPS) supportDiffers	No	Yes

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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