Product comparison · 2 internal hard drives

Lenovo ThinkStation 600GB SAS 3.5" vs Seagate Constellation ST91000640SS-30PK internal hard drive

11specifications compared
7differ
4identical
16known for one product only

Key differences

The Lenovo ThinkStation 600GB SAS 3.5" has 7,800 RPM more HDD speed than the Seagate Constellation ST91000640SS-30PK internal hard drive (15000 RPM vs 7200 RPM). The Lenovo ThinkStation 600GB SAS 3.5" has 1" more HDD size than the Seagate Constellation ST91000640SS-30PK internal hard drive (3.5" vs 2.5"). The Seagate Constellation ST91000640SS-30PK internal hard drive has 48 MB more storage drive buffer size than the Lenovo ThinkStation 600GB SAS 3.5" (64 MB vs 16 MB). HDD capacity: 600 GB on the Lenovo ThinkStation 600GB SAS 3.5", 1 TB on the Seagate Constellation ST91000640SS-30PK internal hard drive. Operating voltage: 5 / 12 V on the Lenovo ThinkStation 600GB SAS 3.5", 5 V on the Seagate Constellation ST91000640SS-30PK internal hard drive.

HDD capacity
- ThinkStation 600GB SAS 3.5":600 GB
- Constellation ST91000640SS-30PK internal hard drive:1 TB
HDD speed
- ThinkStation 600GB SAS 3.5":15000 RPM
- Constellation ST91000640SS-30PK internal hard drive:7200 RPM
HDD size
- ThinkStation 600GB SAS 3.5":3.5"
- Constellation ST91000640SS-30PK internal hard drive:2.5"
Storage drive buffer size
- ThinkStation 600GB SAS 3.5":16 MB
- Constellation ST91000640SS-30PK internal hard drive:64 MB
Average latency
- ThinkStation 600GB SAS 3.5":2 ms
- Constellation ST91000640SS-30PK internal hard drive:4.16 ms
Operating voltage
- ThinkStation 600GB SAS 3.5":5 / 12 V
- Constellation ST91000640SS-30PK internal hard drive:5 V
Quantity per pack
- ThinkStation 600GB SAS 3.5":1 pc(s)
- Constellation ST91000640SS-30PK internal hard drive:30 pc(s)

Side by side

Differences highlightedShow differences only

Comparison of ThinkStation 600GB SAS 3.5", ST91000640SS-30PK
27 specifications	A Lenovo ThinkStation 600GB SAS 3.5"View product	B Seagate Constellation ST91000640SS-30PK internal hard drive Model ST91000640SS-30PK View product
Features5 differ
HDD capacityDiffers	600 GB	1 TB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
Interface	SAS	SAS
Type	HDD	HDD
Component for	Server/workstation	Server/workstation
Storage drive buffer sizeDiffers	16 MB	64 MB
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
Average latencyDiffers	2 ms	4.16 ms
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1400000 h
Power1 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	6.35 W
Power consumption (idle)Known for one	Unknown — not stated by the source	3.85 W
Operating voltageDiffers	5 / 12 V	5 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 60 °C
Operating vibrationKnown for one	Unknown — not stated by the source	0.5 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	3 G
Operating shockKnown for one	Unknown — not stated by the source	70 G
Non-operating shockKnown for one	Unknown — not stated by the source	400 G
Packaging contentidentical
ManualKnown for one	Unknown — not stated by the source	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	70.1 mm
DepthKnown for one	Unknown — not stated by the source	100.5 mm
HeightKnown for one	Unknown — not stated by the source	15 mm
WeightKnown for one	Unknown — not stated by the source	200 g
Packaging data1 differ
Quantity per packDiffers	1 pc(s)	30 pc(s)
Other featuresidentical
Data transfer rate	6 Gbit/s	6 Gbit/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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