Product comparison · 2 internal hard drives

Seagate Enterprise ST900MM0088-30PK internal hard drive vs Seagate Savvio ST9900805SS-RF internal hard drive

Key differences

Type
- Enterprise ST900MM0088-30PK internal hard drive:Hybrid-HDD
- Savvio ST9900805SS-RF internal hard drive:HDD
Storage drive buffer size
- Enterprise ST900MM0088-30PK internal hard drive:128 MB
- Savvio ST9900805SS-RF internal hard drive:64 MB
HDD interface transfer rate
- Enterprise ST900MM0088-30PK internal hard drive:12 Gbit/s
- Savvio ST9900805SS-RF internal hard drive:6 Gbit/s
HDD number of cylinders
- Enterprise ST900MM0088-30PK internal hard drive:2
- Savvio ST9900805SS-RF internal hard drive:3
HDD number of heads
- Enterprise ST900MM0088-30PK internal hard drive:4
- Savvio ST9900805SS-RF internal hard drive:6
Average latency
- Enterprise ST900MM0088-30PK internal hard drive:2.9 ms
- Savvio ST9900805SS-RF internal hard drive:3 ms
Bytes per sector
- Enterprise ST900MM0088-30PK internal hard drive:4096
- Savvio ST9900805SS-RF internal hard drive:512
Power consumption (idle)
- Enterprise ST900MM0088-30PK internal hard drive:3.88 W
- Savvio ST9900805SS-RF internal hard drive:4.4 W

Differences highlightedShow differences only

Comparison of ST900MM0088-30PK, ST9900805SS-RF
31 specifications	A Seagate Enterprise ST900MM0088-30PK internal hard drive Model ST900MM0088-30PK View product	B Seagate Savvio ST9900805SS-RF internal hard drive Model ST9900805SS-RF View product
Features7 differ
TypeDiffers	Hybrid-HDD	HDD
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Storage drive buffer sizeDiffers	128 MB	64 MB
Hybrid-HDD cache memoryKnown for one	32 GB	Unknown — not stated by the source
HDD interface transfer rateDiffers	12 Gbit/s	6 Gbit/s
HDD number of cylindersDiffers	2	3
HDD number of headsDiffers	4	6
Average latencyDiffers	2.9 ms	3 ms
Bytes per sectorDiffers	4096	512
Read seek timeKnown for one	Unknown — not stated by the source	3.7 ms
Write seek timeKnown for one	Unknown — not stated by the source	4.1 ms
Track to track seek timeKnown for one	Unknown — not stated by the source	0.2 ms
Power2 differ
Power consumption (typical)Known for one	7.12 W	Unknown — not stated by the source
Power consumption (idle)Differs	3.88 W	4.4 W
Start-up currentDiffers	0.44 A	0.48 A
Weight & dimensions1 differ
WeightDiffers	189 g	205 g
Packaging data1 differ
Quantity per packDiffers	30 pc(s)	1 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.