Product comparison · 2 internal hard drives

Lenovo ThinkStation, 2TB vs Seagate Constellation ST91000640SS-30PK internal hard drive

8specifications compared
6differ
2identical
21known for one product only

Key differences

The Lenovo ThinkStation, 2TB has 1 TB more HDD capacity than the Seagate Constellation ST91000640SS-30PK internal hard drive (2 TB vs 1 TB). The Lenovo ThinkStation, 2TB has 1" more HDD size than the Seagate Constellation ST91000640SS-30PK internal hard drive (3.5" vs 2.5"). Interface: Serial ATA III on the Lenovo ThinkStation, 2TB, SAS on the Seagate Constellation ST91000640SS-30PK internal hard drive. Type: Hybrid-HDD on the Lenovo ThinkStation, 2TB, HDD on the Seagate Constellation ST91000640SS-30PK internal hard drive. Operating voltage: 5 / 12 V on the Lenovo ThinkStation, 2TB, 5 V on the Seagate Constellation ST91000640SS-30PK internal hard drive.

HDD capacity
- ThinkStation, 2TB:2 TB
- Constellation ST91000640SS-30PK internal hard drive:1 TB
HDD size
- ThinkStation, 2TB:3.5"
- Constellation ST91000640SS-30PK internal hard drive:2.5"
Interface
- ThinkStation, 2TB:Serial ATA III
- Constellation ST91000640SS-30PK internal hard drive:SAS
Type
- ThinkStation, 2TB:Hybrid-HDD
- Constellation ST91000640SS-30PK internal hard drive:HDD
Operating voltage
- ThinkStation, 2TB:5 / 12 V
- Constellation ST91000640SS-30PK internal hard drive:5 V
Quantity per pack
- ThinkStation, 2TB:1 pc(s)
- Constellation ST91000640SS-30PK internal hard drive:30 pc(s)

Side by side

Differences highlightedShow differences only

Comparison of ThinkStation, 2TB, ST91000640SS-30PK
29 specifications	A Lenovo ThinkStation, 2TB View product	B Seagate Constellation ST91000640SS-30PK internal hard drive Model ST91000640SS-30PK View product
Features4 differ
HDD capacityDiffers	2 TB	1 TB
HDD speed	7200 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA III	SAS
TypeDiffers	Hybrid-HDD	HDD
Component forKnown for one	Unknown — not stated by the source	Server/workstation
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	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 latencyKnown for one	Unknown — not stated by the source	4.16 ms
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1400000 h
Hybrid-HDD cache memoryKnown for one	8 GB	Unknown — not stated by the source
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
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84717050	Unknown — not stated by the source

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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