Product comparison · 2 internal hard drives

Seagate Savvio ST9450405FC-20PK internal hard drive vs Seagate Savvio ST9900805FC-20PK internal hard drive

Key differences

HDD capacity
- Savvio ST9450405FC-20PK internal hard drive:450 GB
- Savvio ST9900805FC-20PK internal hard drive:900 GB
HDD number of cylinders
- Savvio ST9450405FC-20PK internal hard drive:2
- Savvio ST9900805FC-20PK internal hard drive:3
HDD number of heads
- Savvio ST9450405FC-20PK internal hard drive:3
- Savvio ST9900805FC-20PK internal hard drive:6
Read seek time
- Savvio ST9450405FC-20PK internal hard drive:3.4 ms
- Savvio ST9900805FC-20PK internal hard drive:3.7 ms
Write seek time
- Savvio ST9450405FC-20PK internal hard drive:3.8 ms
- Savvio ST9900805FC-20PK internal hard drive:4.1 ms
Power consumption (idle)
- Savvio ST9450405FC-20PK internal hard drive:3.8 W
- Savvio ST9900805FC-20PK internal hard drive:4.4 W
Weight
- Savvio ST9450405FC-20PK internal hard drive:216 g
- Savvio ST9900805FC-20PK internal hard drive:205 g

Differences highlightedShow differences only

Comparison of ST9450405FC-20PK, ST9900805FC-20PK
32 specifications	A Seagate Savvio ST9450405FC-20PK internal hard drive Model ST9450405FC-20PK View product	B Seagate Savvio ST9900805FC-20PK internal hard drive Model ST9900805FC-20PK View product
Features5 differ
HDD capacityDiffers	450 GB	900 GB
HDD speed	10000 RPM	10000 RPM
HDD size	2.5"	2.5"
Interface	Fibre Channel	Fibre Channel
Type	HDD	HDD
Component for	Server/workstation	Server/workstation
Storage drive buffer size	64 MB	64 MB
HDD number of cylindersDiffers	2	3
HDD number of headsDiffers	3	6
Read seek timeDiffers	3.4 ms	3.7 ms
Write seek timeDiffers	3.8 ms	4.1 ms
Track to track seek time	0.2 ms	0.2 ms
Average latency	3 ms	3 ms
Bytes per sector	512	512
Power1 differ
Power consumption (idle)Differs	3.8 W	4.4 W
Operating voltage	5 V	5 V
Start-up current	0.48 A	0.48 A
Operational conditionsidentical
Operating temperature (T-T)	5 - 55 °C	5 - 55 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating vibration	0.5 G	0.5 G
Non-operating vibration	3 G	3 G
Operating shock	40 G	40 G
Non-operating shock	400 G	400 G
Weight & dimensions1 differ
Width	70.1 mm	70.1 mm
Depth	100.5 mm	100.5 mm
Height	15 mm	15 mm
WeightDiffers	216 g	205 g
Packaging dataidentical
Quantity per pack	20 pc(s)	20 pc(s)
Other featuresidentical
Data transfer rate	4 Gbit/s	4 Gbit/s
Windows operating systems supported	Yes	Yes
Mac operating systems supported	Yes	Yes
Linux operating systems supported	Yes	Yes

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.