Product comparison · 2 internal hard drives

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

22specifications compared
7differ
15identical
5known for one product only

Key differences

The Seagate internal hard drives has 1 TB more HDD capacity than the Seagate Constellation ST91000641NS-30PK internal hard drive (2 TB vs 1 TB). The Seagate internal hard drives has 64 MB more storage drive buffer size than the Seagate Constellation ST91000641NS-30PK internal hard drive (128 MB vs 64 MB). The Seagate internal hard drives has 0.01 W more power consumption (typical) than the Seagate Constellation ST91000641NS-30PK internal hard drive (5.22 W vs 5.21 W). Operating temperature (T-T): 5 - 55 °C on the Seagate internal hard drives, 5 - 60 °C on the Seagate Constellation ST91000641NS-30PK internal hard drive.

HDD capacity
- internal hard drives:2 TB
- Constellation ST91000641NS-30PK internal hard drive:1 TB
Storage drive buffer size
- internal hard drives:128 MB
- Constellation ST91000641NS-30PK internal hard drive:64 MB
Power consumption (typical)
- internal hard drives:5.22 W
- Constellation ST91000641NS-30PK internal hard drive:5.21 W
Power consumption (idle)
- internal hard drives:3.87 W
- Constellation ST91000641NS-30PK internal hard drive:3.31 W
Operating temperature (T-T)
- internal hard drives:5 - 55 °C
- Constellation ST91000641NS-30PK internal hard drive:5 - 60 °C
Operating shock
- internal hard drives:25 G
- Constellation ST91000641NS-30PK internal hard drive:70 G
Weight
- internal hard drives:198 g
- Constellation ST91000641NS-30PK internal hard drive:200 g

Side by side

Differences highlightedShow differences only

Comparison of internal hard drives, ST91000641NS-30PK
27 specifications	A Seagate internal hard drives View product	B Seagate Constellation ST91000641NS-30PK internal hard drive Model ST91000641NS-30PK View product
Features2 differ
HDD capacityDiffers	2 TB	1 TB
Component forKnown for one	NAS	Unknown — not stated by the source
Storage drive buffer sizeDiffers	128 MB	64 MB
HDD interface transfer rateKnown for one	6 Gbit/s	Unknown — not stated by the source
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
Power2 differ
Power consumption (typical)Differs	5.22 W	5.21 W
Power consumption (standby)Known for one	1.14 W	Unknown — not stated by the source
Power consumption (idle)Differs	3.87 W	3.31 W
Operational conditions2 differ
Operating temperature (T-T)Differs	5 - 55 °C	5 - 60 °C
Operating shockDiffers	25 G	70 G
Weight & dimensions1 differ
WeightDiffers	198 g	200 g

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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