Product comparison · 2 internal hard drives

Seagate 500GB SATA3 vs Seagate Desktop HDD ST320DM000 internal hard drive

29specifications compared
4differ
25identical
14known for one product only

Key differences

HDD capacity
- 500GB SATA3:500 GB
- Desktop HDD ST320DM000 internal hard drive:320 GB
Interface
- 500GB SATA3:Serial ATA III
- Desktop HDD ST320DM000 internal hard drive:Serial ATA
Depth
- 500GB SATA3:146.9 mm
- Desktop HDD ST320DM000 internal hard drive:147 mm
Data transfer rate
- 500GB SATA3:6 Gbit/s
- Desktop HDD ST320DM000 internal hard drive:4.69 Gbit/s

Side by side

Differences highlightedShow differences only

Comparison of 500GB SATA3, ST320DM000
43 specifications	A Seagate 500GB SATA3 View product	B Seagate Desktop HDD ST320DM000 internal hard drive Model ST320DM000 View product
Features2 differ
HDD capacityDiffers	500 GB	320 GB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	Serial ATA III	Serial ATA
Storage drive buffer size	16 MB	16 MB
HDD number of cylindersKnown for one	16383	Unknown — not stated by the source
HDD number of heads	2	2
Read seek time	8.5 ms	8.5 ms
Write seek time	9.5 ms	9.5 ms
Track to track seek time	1.2 ms	1.2 ms
Average latency	4.16 ms	4.16 ms
Bytes per sector	4096	4096
Native Command Queuing (NCQ)Known for one	Yes	Unknown — not stated by the source
Start/stop cycles	50000	50000
Poweridentical
Power consumption (typical)Known for one	6.19 W	Unknown — not stated by the source
Power consumption (standby)Known for one	0.79 W	Unknown — not stated by the source
Power consumption (idle)Known for one	4.6 W	Unknown — not stated by the source
Operating voltage	5 / 12 V	5 / 12 V
Start-up current	2 A	2 A
Operational conditionsidentical
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)	5 - 95%	5 - 95%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Operating vibration	0.5 G	0.5 G
Non-operating vibration	3 G	3 G
Operating altitude	-304.8 - 3048 m	-304.8 - 3048 m
Non-operating altitude	-304.8 - 12192 m	-304.8 - 12192 m
Operating shock	70 G	70 G
Non-operating shock	350 G	350 G
Packaging contentidentical
User guideKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions1 differ
Width	101.6 mm	101.6 mm
DepthDiffers	146.9 mm	147 mm
Height	20 mm	20 mm
Weight	415 g	415 g
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84717050	Unknown — not stated by the source
Other features1 differ
Data transfer rateDiffers	6 Gbit/s	4.69 Gbit/s
CertificationKnown for one	RoHs	Unknown — not stated by the source
Disks included quantityKnown for one	Unknown — not stated by the source	1 pc(s)
Drive ready timeKnown for one	Unknown — not stated by the source	8.5 s
InternalKnown for one	Unknown — not stated by the source	Yes
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Recording densityKnown for one	Unknown — not stated by the source	1413 kbit/inch
Track densityKnown for one	Unknown — not stated by the source	236 kt/in

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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