Product comparison · 2 internal hard drives

Seagate 300GB 2.5 vs Seagate Enterprise ST900MM0128-40PK internal hard drive

Key differences

HDD capacity
- 300GB 2.5:300 GB
- Enterprise ST900MM0128-40PK internal hard drive:900 GB
Type
- 300GB 2.5:HDD
- Enterprise ST900MM0128-40PK internal hard drive:Hybrid-HDD
Storage drive buffer size
- 300GB 2.5:16 MB
- Enterprise ST900MM0128-40PK internal hard drive:128 MB
Average latency
- 300GB 2.5:3 ms
- Enterprise ST900MM0128-40PK internal hard drive:2.9 ms
Power consumption (idle)
- 300GB 2.5:3.5 W
- Enterprise ST900MM0128-40PK internal hard drive:3.88 W
Non-operating vibration
- 300GB 2.5:2.4 G
- Enterprise ST900MM0128-40PK internal hard drive:3 G
Operating shock
- 300GB 2.5:60 G
- Enterprise ST900MM0128-40PK internal hard drive:40 G
Non-operating shock
- 300GB 2.5:300 G
- Enterprise ST900MM0128-40PK internal hard drive:400 G

Differences highlightedShow differences only

Comparison of 300GB 2.5, ST900MM0128-40PK
31 specifications	A Seagate 300GB 2.5 View product	B Seagate Enterprise ST900MM0128-40PK internal hard drive Model ST900MM0128-40PK View product
Features4 differ
HDD capacityDiffers	300 GB	900 GB
TypeDiffers	HDD	Hybrid-HDD
Storage drive buffer sizeDiffers	16 MB	128 MB
Hybrid-HDD cache memoryKnown for one	Unknown — not stated by the source	32 GB
HDD interface transfer rateKnown for one	Unknown — not stated by the source	12 Gbit/s
HDD number of cylindersKnown for one	Unknown — not stated by the source	2
Average latencyDiffers	3 ms	2.9 ms
Read seek timeKnown for one	3.6 ms	Unknown — not stated by the source
Write seek timeKnown for one	4.2 ms	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	1600000 h	Unknown — not stated by the source
Power1 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	7.12 W
Power consumption (idle)Differs	3.5 W	3.88 W
Start-up currentKnown for one	Unknown — not stated by the source	0.44 A
Operational conditions3 differ
Non-operating vibrationDiffers	2.4 G	3 G
Operating shockDiffers	60 G	40 G
Non-operating shockDiffers	300 G	400 G
Weight & dimensions3 differ
WidthDiffers	70 mm	70.1 mm
HeightDiffers	14.8 mm	15 mm
WeightDiffers	227 g	189 g
Packaging dataidentical
Quantity per packKnown for one	Unknown — not stated by the source	40 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.