Product comparison · 2 internal hard drives

Seagate Desktop SSHD ST1000DX001-25PK internal hard drive vs Seagate Desktop SSHD ST2000DX001-20PK internal hard drive

Key differences

HDD capacity
- Desktop SSHD ST1000DX001-25PK internal hard drive:1 TB
- Desktop SSHD ST2000DX001-20PK internal hard drive:2 TB
HDD number of cylinders
- Desktop SSHD ST1000DX001-25PK internal hard drive:1
- Desktop SSHD ST2000DX001-20PK internal hard drive:2
HDD number of heads
- Desktop SSHD ST1000DX001-25PK internal hard drive:2
- Desktop SSHD ST2000DX001-20PK internal hard drive:4
Read seek time
- Desktop SSHD ST1000DX001-25PK internal hard drive:8.5 ms
- Desktop SSHD ST2000DX001-20PK internal hard drive:9.5 ms
Write seek time
- Desktop SSHD ST1000DX001-25PK internal hard drive:8.5 ms
- Desktop SSHD ST2000DX001-20PK internal hard drive:9.5 ms
Power consumption (typical)
- Desktop SSHD ST1000DX001-25PK internal hard drive:5.9 W
- Desktop SSHD ST2000DX001-20PK internal hard drive:6.7 W
Power consumption (standby)
- Desktop SSHD ST1000DX001-25PK internal hard drive:0.63 W
- Desktop SSHD ST2000DX001-20PK internal hard drive:0.75 W
Power consumption (idle)
- Desktop SSHD ST1000DX001-25PK internal hard drive:3.36 W
- Desktop SSHD ST2000DX001-20PK internal hard drive:4.5 W

Differences highlightedShow differences only

Comparison of ST1000DX001-25PK, ST2000DX001-20PK
24 specifications	A Seagate Desktop SSHD ST1000DX001-25PK internal hard drive Model ST1000DX001-25PK View product	B Seagate Desktop SSHD ST2000DX001-20PK internal hard drive Model ST2000DX001-20PK View product
Features5 differ
HDD capacityDiffers	1 TB	2 TB
HDD size	3.5"	3.5"
Interface	Serial ATA III	Serial ATA III
Type	Hybrid-HDD	Hybrid-HDD
Storage drive buffer size	64 MB	64 MB
Hybrid-HDD cache memory	8 GB	8 GB
HDD number of cylindersDiffers	1	2
HDD number of headsDiffers	2	4
Read seek timeDiffers	8.5 ms	9.5 ms
Write seek timeDiffers	8.5 ms	9.5 ms
Bytes per sector	4096	4096
Start/stop cycles	300000	300000
Power3 differ
Power consumption (typical)Differs	5.9 W	6.7 W
Power consumption (standby)Differs	0.63 W	0.75 W
Power consumption (idle)Differs	3.36 W	4.5 W
Operating voltage	5 / 12 V	5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Weight & dimensions2 differ
Width	101.6 mm	101.6 mm
Depth	147 mm	147 mm
HeightDiffers	19.9 mm	26.1 mm
WeightDiffers	400 g	535 g
Packaging data1 differ
Quantity per packDiffers	25 pc(s)	20 pc(s)
Other featuresidentical
Data transfer rate	6 Gbit/s	6 Gbit/s

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