Product comparison · 2 internal hard drives

Seagate Constellation ST1000NC001-25PK internal hard drive vs Seagate Constellation ST2000NC000-20PK internal hard drive

28specifications compared
6differ
22identical
0known for one product only

Key differences

The Seagate Constellation ST2000NC000-20PK internal hard drive has 1 TB more HDD capacity than the Seagate Constellation ST1000NC001-25PK internal hard drive (2 TB vs 1 TB). The Seagate Constellation ST2000NC000-20PK internal hard drive has 1 more HDD cylinders than the Seagate Constellation ST1000NC001-25PK internal hard drive (2 vs 1). The Seagate Constellation ST2000NC000-20PK internal hard drive has 2 more HDD heads than the Seagate Constellation ST1000NC001-25PK internal hard drive (4 vs 2). Quantity per pack: 25 pc(s) on the Seagate Constellation ST1000NC001-25PK internal hard drive, 20 pc(s) on the Seagate Constellation ST2000NC000-20PK internal hard drive.

HDD capacity
- Constellation ST1000NC001-25PK internal hard drive:1 TB
- Constellation ST2000NC000-20PK internal hard drive:2 TB
HDD number of cylinders
- Constellation ST1000NC001-25PK internal hard drive:1
- Constellation ST2000NC000-20PK internal hard drive:2
HDD number of heads
- Constellation ST1000NC001-25PK internal hard drive:2
- Constellation ST2000NC000-20PK internal hard drive:4
Height
- Constellation ST1000NC001-25PK internal hard drive:20 mm
- Constellation ST2000NC000-20PK internal hard drive:26.1 mm
Weight
- Constellation ST1000NC001-25PK internal hard drive:400 g
- Constellation ST2000NC000-20PK internal hard drive:535 g
Quantity per pack
- Constellation ST1000NC001-25PK internal hard drive:25 pc(s)
- Constellation ST2000NC000-20PK internal hard drive:20 pc(s)

Side by side

Differences highlightedShow differences only

Comparison of ST1000NC001-25PK, ST2000NC000-20PK
28 specifications	A Seagate Constellation ST1000NC001-25PK internal hard drive Model ST1000NC001-25PK View product	B Seagate Constellation ST2000NC000-20PK internal hard drive Model ST2000NC000-20PK View product
Features3 differ
HDD capacityDiffers	1 TB	2 TB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Interface	Serial ATA III	Serial ATA III
Type	HDD	HDD
Storage drive buffer size	64 MB	64 MB
HDD number of cylindersDiffers	1	2
HDD number of headsDiffers	2	4
Read seek time	9.5 ms	9.5 ms
Write seek time	10.5 ms	10.5 ms
SMART technology	Yes	Yes
Bytes per sector	4096	4096
Start/stop cycles	300000	300000
Mean time between failures (MTBF)	800000 h	800000 h
Poweridentical
Power consumption (typical)	8 W	8 W
Power consumption (standby)	0.77 W	0.77 W
Power consumption (idle)	5.53 W	5.53 W
Operating voltage	5 / 12 V	5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)	5 - 60 °C	5 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)	5 - 90%	5 - 90%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Packaging contentidentical
Bundled software	SeaTools	SeaTools
Weight & dimensions2 differ
Width	101.8 mm	101.8 mm
Depth	147 mm	147 mm
HeightDiffers	20 mm	26.1 mm
WeightDiffers	400 g	535 g
Packaging data1 differ
Quantity per packDiffers	25 pc(s)	20 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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