Product comparison · 2 internal hard drives

Seagate Constellation ST2000NX0353-30PK internal hard drive vs Seagate Constellation ST91000641NS-30PK internal hard drive

21specifications compared
7differ
14identical
6known for one product only

Key differences

The Seagate Constellation ST2000NX0353-30PK internal hard drive has 1 TB more HDD capacity than the Seagate Constellation ST91000641NS-30PK internal hard drive (2 TB vs 1 TB). The Seagate Constellation ST2000NX0353-30PK internal hard drive has 64 MB more storage drive buffer size than the Seagate Constellation ST91000641NS-30PK internal hard drive (128 MB vs 64 MB). The Seagate Constellation ST2000NX0353-30PK internal hard drive has 3,584 more bytes per sector than the Seagate Constellation ST91000641NS-30PK internal hard drive (4096 vs 512). Operating temperature (T-T): 5 - 55 °C on the Seagate Constellation ST2000NX0353-30PK internal hard drive, 5 - 60 °C on the Seagate Constellation ST91000641NS-30PK internal hard drive.

HDD capacity
- Constellation ST2000NX0353-30PK internal hard drive:2 TB
- Constellation ST91000641NS-30PK internal hard drive:1 TB
Storage drive buffer size
- Constellation ST2000NX0353-30PK internal hard drive:128 MB
- Constellation ST91000641NS-30PK internal hard drive:64 MB
Bytes per sector
- Constellation ST2000NX0353-30PK internal hard drive:4096
- Constellation ST91000641NS-30PK internal hard drive:512
Power consumption (typical)
- Constellation ST2000NX0353-30PK internal hard drive:6.02 W
- Constellation ST91000641NS-30PK internal hard drive:5.21 W
Operating temperature (T-T)
- Constellation ST2000NX0353-30PK internal hard drive:5 - 55 °C
- Constellation ST91000641NS-30PK internal hard drive:5 - 60 °C
Operating shock
- Constellation ST2000NX0353-30PK internal hard drive:25 G
- Constellation ST91000641NS-30PK internal hard drive:70 G
Weight
- Constellation ST2000NX0353-30PK internal hard drive:198 g
- Constellation ST91000641NS-30PK internal hard drive:200 g

Side by side

Differences highlightedShow differences only

Comparison of ST2000NX0353-30PK, ST91000641NS-30PK
27 specifications	A Seagate Constellation ST2000NX0353-30PK internal hard drive Model ST2000NX0353-30PK View product	B Seagate Constellation ST91000641NS-30PK internal hard drive Model ST91000641NS-30PK View product
Features3 differ
HDD capacityDiffers	2 TB	1 TB
HDD speed	7200 RPM	7200 RPM
HDD size	2.5"	2.5"
Interface	Serial ATA III	Serial ATA III
Type	HDD	HDD
Storage drive buffer sizeDiffers	128 MB	64 MB
HDD interface transfer rateKnown for one	12 Gbit/s	Unknown — not stated by the source
Average latency	4.16 ms	4.16 ms
Bytes per sectorDiffers	4096	512
Mean time between failures (MTBF)	1400000 h	1400000 h
Read seek timeKnown for one	Unknown — not stated by the source	8.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	9.5 ms
Power1 differ
Power consumption (typical)Differs	6.02 W	5.21 W
Power consumption (standby)Known for one	1.52 W	Unknown — not stated by the source
Power consumption (write)Known for one	3.53 W	Unknown — not stated by the source
Operating voltage	5 V	5 V
Power consumption (idle)Known for one	Unknown — not stated by the source	3.31 W
Operational conditions2 differ
Operating temperature (T-T)Differs	5 - 55 °C	5 - 60 °C
Operating vibration	0.5 G	0.5 G
Non-operating vibration	3 G	3 G
Operating shockDiffers	25 G	70 G
Non-operating shock	400 G	400 G
Weight & dimensions1 differ
Width	70.1 mm	70.1 mm
Depth	100.5 mm	100.5 mm
Height	15 mm	15 mm
WeightDiffers	198 g	200 g
Packaging dataidentical
Quantity per pack	30 pc(s)	30 pc(s)

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.

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