Product comparison · 2 internal hard drives

Lenovo 42T1157 internal hard drive vs Lenovo 45K0649 internal hard drive

Key differences

HDD capacity
- 42T1157 internal hard drive:160 GB
- 45K0649 internal hard drive:2 TB
HDD speed
- 42T1157 internal hard drive:7200 RPM
- 45K0649 internal hard drive:5400 RPM
HDD size
- 42T1157 internal hard drive:2.5"
- 45K0649 internal hard drive:3.5"
Type
- 42T1157 internal hard drive:HDD
- 45K0649 internal hard drive:Hybrid-HDD
Component for
- 42T1157 internal hard drive:Laptop
- 45K0649 internal hard drive:PC
Operating voltage
- 42T1157 internal hard drive:5 V
- 45K0649 internal hard drive:5 / 12 V

Differences highlightedShow differences only

Comparison of 42T1157, 45K0649
10 specifications	A Lenovo 42T1157 internal hard drive Model 42T1157 View product	B Lenovo 45K0649 internal hard drive Model 45K0649 View product
Features5 differ
HDD capacityDiffers	160 GB	2 TB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	2.5"	3.5"
Interface	Serial ATA	Serial ATA
TypeDiffers	HDD	Hybrid-HDD
Component forDiffers	Laptop	PC
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	64 MB
Hybrid-HDD cache memoryKnown for one	Unknown — not stated by the source	8 GB
Power1 differ
Operating voltageDiffers	5 V	5 / 12 V
Packaging dataidentical
Quantity per packKnown for one	1 pc(s)	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.