Product comparison · 2 internal hard drives

Dell 300GB SAS 15k 3.5" vs Seagate 320GB SATA 6Gb/s 2.5"

8specifications compared
6differ
2identical
16known for one product only

Key differences

HDD capacity
- 300GB SAS 15k 3.5":300 GB
- 320GB SATA 6Gb/s 2.5":320 GB
HDD speed
- 300GB SAS 15k 3.5":15000 RPM
- 320GB SATA 6Gb/s 2.5":7200 RPM
HDD size
- 300GB SAS 15k 3.5":3.5"
- 320GB SATA 6Gb/s 2.5":2.5"
Interface
- 300GB SAS 15k 3.5":SAS
- 320GB SATA 6Gb/s 2.5":Serial ATA III
Component for
- 300GB SAS 15k 3.5":Server/workstation
- 320GB SATA 6Gb/s 2.5":Laptop
Operating voltage
- 300GB SAS 15k 3.5":5 / 12 V
- 320GB SATA 6Gb/s 2.5":5 V

Side by side

Differences highlightedShow differences only

Comparison of 300GB SAS 15k 3.5", 320GB SATA 6Gb/s 2.5"
24 specifications	A Dell 300GB SAS 15k 3.5"View product	B Seagate 320GB SATA 6Gb/s 2.5"View product
Features5 differ
HDD capacityDiffers	300 GB	320 GB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	SAS	Serial ATA III
Type	HDD	HDD
Component forDiffers	Server/workstation	Laptop
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	32 MB
Read seek timeKnown for one	Unknown — not stated by the source	11 ms
Write seek timeKnown for one	Unknown — not stated by the source	11 ms
Average seek timeKnown for one	Unknown — not stated by the source	11 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	4096
Power1 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	1.5 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.65 W
Operating voltageDiffers	5 / 12 V	5 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating shockKnown for one	Unknown — not stated by the source	400 G
Non-operating shockKnown for one	Unknown — not stated by the source	1000 G
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	70.1 mm
DepthKnown for one	Unknown — not stated by the source	100.5 mm
HeightKnown for one	Unknown — not stated by the source	7 mm
WeightKnown for one	Unknown — not stated by the source	95 g
Other featuresidentical
Data transfer rate	6 Gbit/s	6 Gbit/s
Packaging dataidentical
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source

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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