HP 320GB SATA 3Gb/s NCQ/Smart IV vs Lenovo 1000GB 3.5" SATA II

Comparison of 320GB SATA 3Gb/s NCQ/Smart IV, 1000GB 3.5" SATA II

24 specifications	A HP 320GB SATA 3Gb/s NCQ/Smart IVView product	B Lenovo 1000GB 3.5" SATA IIView product
Features1 differ
HDD capacityDiffers	320 GB	1 TB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Interface	Serial ATA II	Serial ATA II
Type	HDD	HDD
Storage drive buffer sizeKnown for one	8 MB	—Unknown — not stated by the source
HDD interface transfer rateKnown for one	3 Gbit/s	—Unknown — not stated by the source
SMART technology	Yes	Yes
Native Command Queuing (NCQ)Known for one	Yes	—Unknown — not stated by the source
Access timeKnown for one	—Unknown — not stated by the source	4.17 ms
Track to track seek timeKnown for one	—Unknown — not stated by the source	8.2 ms
Poweridentical
Operating voltage	5 / 12 V	5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 60 °C	—Unknown — not stated by the source
Storage temperature (T-T)Known for one	-20 - 60 °C	—Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 90%	—Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 90%	—Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	101.6 mm	—Unknown — not stated by the source
HeightKnown for one	25.4 mm	—Unknown — not stated by the source
WeightKnown for one	998 g	—Unknown — not stated by the source
Other featuresidentical
Internal	Yes	Yes
Windows operating systems supported	Yes	Yes
Linux operating systems supportedKnown for one	Yes	—Unknown — not stated by the source
Drive device, transfer rateKnown for one	—Unknown — not stated by the source	300 MB/s
Logistics dataidentical
Harmonized System (HS) codeKnown for one	—Unknown — not stated by the source	84717050

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.