Product comparison · 2 internal hard drives

Seagate 320GB 2.5 vs Seagate IronWolf ST4000VN008-20PK internal hard drive

20specifications compared
17differ
3identical
10known for one product only

Key differences

HDD capacity
- 320GB 2.5:320 GB
- IronWolf ST4000VN008-20PK internal hard drive:4 TB
HDD speed
- 320GB 2.5:5400 RPM
- IronWolf ST4000VN008-20PK internal hard drive:5900 RPM
HDD size
- 320GB 2.5:2.5"
- IronWolf ST4000VN008-20PK internal hard drive:3.5"
Interface
- 320GB 2.5:Serial ATA II
- IronWolf ST4000VN008-20PK internal hard drive:Serial ATA III
Component for
- 320GB 2.5:Laptop
- IronWolf ST4000VN008-20PK internal hard drive:NAS
Storage drive buffer size
- 320GB 2.5:8 MB
- IronWolf ST4000VN008-20PK internal hard drive:64 MB
Power consumption (standby)
- 320GB 2.5:0.22 W
- IronWolf ST4000VN008-20PK internal hard drive:0.5 W
Power consumption (idle)
- 320GB 2.5:0.81 W
- IronWolf ST4000VN008-20PK internal hard drive:3.95 W

Side by side

Differences highlightedShow differences only

Comparison of 320GB 2.5, ST4000VN008-20PK
30 specifications	A Seagate 320GB 2.5 View product	B Seagate IronWolf ST4000VN008-20PK internal hard drive Model ST4000VN008-20PK View product
Features6 differ
HDD capacityDiffers	320 GB	4 TB
HDD speedDiffers	5400 RPM	5900 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	Serial ATA II	Serial ATA III
Type	HDD	HDD
Component forDiffers	Laptop	NAS
Storage drive buffer sizeDiffers	8 MB	64 MB
HDD number of headsKnown for one	3	Unknown — not stated by the source
Average latencyKnown for one	5.6 ms	Unknown — not stated by the source
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Start/stop cycles	600000	600000
HDD interface transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
HDD sustained transfer rateKnown for one	Unknown — not stated by the source	180 MiB/s
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1000000 h
Power4 differ
Power consumption (standby)Differs	0.22 W	0.5 W
Power consumption (idle)Differs	0.81 W	3.95 W
Power consumption (read)Known for one	2.6 W	Unknown — not stated by the source
Power consumption (write)Known for one	2.85 W	Unknown — not stated by the source
Operating voltageDiffers	5 V	5 / 12 V
Start-up currentDiffers	1 A	2 A
Power consumption (typical)Known for one	Unknown — not stated by the source	4.8 W
Operational conditions3 differ
Operating temperature (T-T)Differs	0 - 60 °C	5 - 70 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating shockDiffers	350 G	80 G
Non-operating shockDiffers	1000 G	300 G
Weight & dimensions4 differ
WidthDiffers	69.8 mm	101.6 mm
DepthDiffers	100.5 mm	147 mm
HeightDiffers	9.5 mm	26.1 mm
WeightDiffers	98.8 g	610 g
Packaging dataidentical
Quantity per packKnown for one	Unknown — not stated by the source	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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