Product comparison · 2 internal hard drives

Seagate Momentus ST250LT014 internal hard drive vs Seagate Desktop HDD ST320DM000 internal hard drive

18specifications compared
11differ
7identical
22known for one product only

Key differences

HDD capacity
- Momentus ST250LT014 internal hard drive:250 GB
- Desktop HDD ST320DM000 internal hard drive:320 GB
HDD size
- Momentus ST250LT014 internal hard drive:2.5"
- Desktop HDD ST320DM000 internal hard drive:3.5"
Interface
- Momentus ST250LT014 internal hard drive:Serial ATA II
- Desktop HDD ST320DM000 internal hard drive:Serial ATA
Average latency
- Momentus ST250LT014 internal hard drive:4.17 ms
- Desktop HDD ST320DM000 internal hard drive:4.16 ms
Operating voltage
- Momentus ST250LT014 internal hard drive:5 V
- Desktop HDD ST320DM000 internal hard drive:5 / 12 V
Operating shock
- Momentus ST250LT014 internal hard drive:350 G
- Desktop HDD ST320DM000 internal hard drive:70 G
Non-operating shock
- Momentus ST250LT014 internal hard drive:1000 G
- Desktop HDD ST320DM000 internal hard drive:350 G
Depth
- Momentus ST250LT014 internal hard drive:100.5 mm
- Desktop HDD ST320DM000 internal hard drive:147 mm

Side by side

Differences highlightedShow differences only

Comparison of ST250LT014, ST320DM000
40 specifications	A Seagate Momentus ST250LT014 internal hard drive Model ST250LT014 View product	B Seagate Desktop HDD ST320DM000 internal hard drive Model ST320DM000 View product
Features4 differ
HDD capacityDiffers	250 GB	320 GB
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	Serial ATA II	Serial ATA
HDD number of headsKnown for one	Unknown — not stated by the source	2
Read seek timeKnown for one	Unknown — not stated by the source	8.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	9.5 ms
Track to track seek timeKnown for one	Unknown — not stated by the source	1.2 ms
Average latencyDiffers	4.17 ms	4.16 ms
Start/stop cyclesKnown for one	Unknown — not stated by the source	50000
Component forKnown for one	Laptop	Unknown — not stated by the source
Native Command Queuing (NCQ)Known for one	Yes	Unknown — not stated by the source
Power1 differ
Operating voltageDiffers	5 V	5 / 12 V
Start-up currentKnown for one	Unknown — not stated by the source	2 A
Power consumption (idle)Known for one	0.66 W	Unknown — not stated by the source
Power consumption (read)Known for one	1.30 W	Unknown — not stated by the source
Power consumption (write)Known for one	1.30 W	Unknown — not stated by the source
Operational conditions2 differ
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating vibrationKnown for one	Unknown — not stated by the source	0.5 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	3 G
Operating altitudeKnown for one	Unknown — not stated by the source	-304.8 - 3048 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-304.8 - 12192 m
Operating shockDiffers	350 G	70 G
Non-operating shockDiffers	1000 G	350 G
Weight & dimensions3 differ
DepthDiffers	100.5 mm	147 mm
HeightDiffers	7 mm	20 mm
WeightDiffers	92 g	415 g
Other features1 differ
Data transfer rateDiffers	3 Gbit/s	4.69 Gbit/s
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
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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