Lenovo 69Y1510 power supply unit vs Lenovo 81Y6557 power supply unit

Comparison of 69Y1510, 81Y6557

8 specifications	A Lenovo 69Y1510 power supply unit Model 69Y1510 View product	B Lenovo 81Y6557 power supply unit Model 81Y6557 View product
Poweridentical
Total power	675 W	675 W
AC input voltageKnown for one	—Unknown — not stated by the source	100 - 240 V
AC input frequencyKnown for one	—Unknown — not stated by the source	50 - 60 Hz
Performance1 differ
Purpose	Server	Server
Compatible productsDiffers	x3550 M3	System x3650 M3
Other featuresidentical
Operating voltageKnown for one	-48 V	—Unknown — not stated by the source
Power supply typeKnown for one	DC	—Unknown — not stated by the source
Redundant power supply (RPS) support	Yes	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.