Product comparison · 2 internal hard drives

Seagate Desktop HDD ST3000DM001-20PK internal hard drive vs Seagate Desktop HDD ST320DM000-25PK internal hard drive

Key differences

HDD capacity
- Desktop HDD ST3000DM001-20PK internal hard drive:3 TB
- Desktop HDD ST320DM000-25PK internal hard drive:320 GB
Storage drive buffer size
- Desktop HDD ST3000DM001-20PK internal hard drive:64 MB
- Desktop HDD ST320DM000-25PK internal hard drive:16 MB
HDD number of cylinders
- Desktop HDD ST3000DM001-20PK internal hard drive:3
- Desktop HDD ST320DM000-25PK internal hard drive:1
HDD number of heads
- Desktop HDD ST3000DM001-20PK internal hard drive:6
- Desktop HDD ST320DM000-25PK internal hard drive:2
Read seek time
- Desktop HDD ST3000DM001-20PK internal hard drive:8.5 ms
- Desktop HDD ST320DM000-25PK internal hard drive:11 ms
Write seek time
- Desktop HDD ST3000DM001-20PK internal hard drive:9.5 ms
- Desktop HDD ST320DM000-25PK internal hard drive:12 ms
Power consumption (typical)
- Desktop HDD ST3000DM001-20PK internal hard drive:8 W
- Desktop HDD ST320DM000-25PK internal hard drive:6.19 W
Power consumption (standby)
- Desktop HDD ST3000DM001-20PK internal hard drive:0.75 W
- Desktop HDD ST320DM000-25PK internal hard drive:0.63 W

Differences highlightedShow differences only

Comparison of ST3000DM001-20PK, ST320DM000-25PK
27 specifications	A Seagate Desktop HDD ST3000DM001-20PK internal hard drive Model ST3000DM001-20PK View product	B Seagate Desktop HDD ST320DM000-25PK internal hard drive Model ST320DM000-25PK View product
Features6 differ
HDD capacityDiffers	3 TB	320 GB
Storage drive buffer sizeDiffers	64 MB	16 MB
HDD number of cylindersDiffers	3	1
HDD number of headsDiffers	6	2
Read seek timeDiffers	8.5 ms	11 ms
Write seek timeDiffers	9.5 ms	12 ms
Start/stop cyclesKnown for one	300000	Unknown — not stated by the source
Power3 differ
Power consumption (typical)Differs	8 W	6.19 W
Power consumption (standby)Differs	0.75 W	0.63 W
Power consumption (idle)Differs	5.4 W	4.6 W
Weight & dimensions2 differ
HeightDiffers	26.1 mm	20 mm
WeightDiffers	626 g	415 g
Packaging data1 differ
Quantity per packDiffers	20 pc(s)	25 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.