Product comparison · 2 internal hard drives

Acer 1TB 2.5" SATA III 7.2K vs Lenovo 1TB 3.5" 7200rpm SATA II 32MB

Key differences

HDD size
- 1TB 2.5" SATA III 7.2K:2.5"
- 1TB 3.5" 7200rpm SATA II 32MB:3.5"
Interface
- 1TB 2.5" SATA III 7.2K:Serial ATA III
- 1TB 3.5" 7200rpm SATA II 32MB:Serial ATA II
Operating voltage
- 1TB 2.5" SATA III 7.2K:5 V
- 1TB 3.5" 7200rpm SATA II 32MB:5 / 12 V
Storage temperature (T-T)
- 1TB 2.5" SATA III 7.2K:-40 - 65 °C
- 1TB 3.5" 7200rpm SATA II 32MB:-40 - 60 °C
Data transfer rate
- 1TB 2.5" SATA III 7.2K:6 Gbit/s
- 1TB 3.5" 7200rpm SATA II 32MB:3 Gbit/s

Differences highlightedShow differences only

Comparison of 1TB 2.5" SATA III 7.2K, 1TB 3.5" 7200rpm SATA II 32MB
16 specifications	A Acer 1TB 2.5" SATA III 7.2K View product	B Lenovo 1TB 3.5" 7200rpm SATA II 32MB View product
Features2 differ
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	Serial ATA III	Serial ATA II
Component forKnown for one	Unknown — not stated by the source	Disk array
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	32 MB
Hot-swapKnown for one	Yes	Unknown — not stated by the source
Power1 differ
Operating voltageDiffers	5 V	5 / 12 V
Operational conditions1 differ
Storage temperature (T-T)Differs	-40 - 65 °C	-40 - 60 °C
Other features1 differ
Data transfer rateDiffers	6 Gbit/s	3 Gbit/s
Compatible productsKnown for one	Unknown — not stated by the source	LenovoEMC px

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.