Product comparison · 2 internal hard drives

Buffalo OP-HD1.5T internal hard drive vs Lenovo 150GB 2.5' SATA II

Key differences

HDD capacity
- OP-HD1.5T internal hard drive:1.5 TB
- 150GB 2.5' SATA II:150 GB
HDD speed
- OP-HD1.5T internal hard drive:7200 RPM
- 150GB 2.5' SATA II:10000 RPM
HDD size
- OP-HD1.5T internal hard drive:3.5"
- 150GB 2.5' SATA II:2.5"
Interface
- OP-HD1.5T internal hard drive:Serial ATA
- 150GB 2.5' SATA II:Serial ATA II
Operating voltage
- OP-HD1.5T internal hard drive:5 / 12 V
- 150GB 2.5' SATA II:5 V
Width
- OP-HD1.5T internal hard drive:104 mm
- 150GB 2.5' SATA II:69.9 mm
Depth
- OP-HD1.5T internal hard drive:30 mm
- 150GB 2.5' SATA II:100 mm
Height
- OP-HD1.5T internal hard drive:170 mm
- 150GB 2.5' SATA II:15 mm

Differences highlightedShow differences only

Comparison of OP-HD1.5T, 150GB 2.5' SATA II
14 specifications	A Buffalo OP-HD1.5T internal hard drive Model OP-HD1.5T View product	B Lenovo 150GB 2.5' SATA II View product
Features4 differ
HDD capacityDiffers	1.5 TB	150 GB
HDD speedDiffers	7200 RPM	10000 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA	Serial ATA II
TypeKnown for one	Unknown — not stated by the source	HDD
Read seek timeKnown for one	Unknown — not stated by the source	4.2 ms
Average latencyKnown for one	Unknown — not stated by the source	3 ms
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Weight & dimensions4 differ
WidthDiffers	104 mm	69.9 mm
DepthDiffers	30 mm	100 mm
HeightDiffers	170 mm	15 mm
WeightDiffers	899 g	229 g
Other featuresidentical
HDD transfer rateKnown for one	Unknown — not stated by the source	300 Mbit/s
Internal	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.