Product comparison · 2 internal hard drives

Seagate 300GB SAS vs Seagate Barracuda 3.5-inch SATA 1.5-TB

10specifications compared
5differ
5identical
15known for one product only

Key differences

HDD capacity
- 300GB SAS:300 GB
- Barracuda 3.5-inch SATA 1.5-TB:1.5 TB
HDD speed
- 300GB SAS:15000 RPM
- Barracuda 3.5-inch SATA 1.5-TB:7200 RPM
Interface
- 300GB SAS:SAS
- Barracuda 3.5-inch SATA 1.5-TB:Serial ATA
Storage drive buffer size
- 300GB SAS:16 MB
- Barracuda 3.5-inch SATA 1.5-TB:32 MB
Weight
- 300GB SAS:800 g
- Barracuda 3.5-inch SATA 1.5-TB:920 g

Side by side

Differences highlightedShow differences only

Comparison of 300GB SAS, Barracuda 3.5-inch SATA 1.5-TB
25 specifications	A Seagate 300GB SAS View product	B Seagate Barracuda 3.5-inch SATA 1.5-TB View product
Features4 differ
HDD capacityDiffers	300 GB	1.5 TB
HDD speedDiffers	15000 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	SAS	Serial ATA
TypeKnown for one	HDD	Unknown — not stated by the source
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Storage drive buffer sizeDiffers	16 MB	32 MB
HDD number of headsKnown for one	4	Unknown — not stated by the source
Read seek timeKnown for one	3.4 ms	Unknown — not stated by the source
Write seek timeKnown for one	3.9 ms	Unknown — not stated by the source
Track to track seek timeKnown for one	0.2 ms	Unknown — not stated by the source
Average latencyKnown for one	2 ms	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	1600000 h	Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	13.8 W	Unknown — not stated by the source
Operating voltage	5 / 12 V	5 / 12 V
Start-up currentKnown for one	3.98 A	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 55 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating shockKnown for one	60 G	Unknown — not stated by the source
Weight & dimensions1 differ
Width	101.8 mm	101.8 mm
Depth	147 mm	147 mm
Height	26.1 mm	26.1 mm
WeightDiffers	800 g	920 g
Other featuresidentical
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows XP, Me, 2000, 98SE, NT Linux Mac OS Netware
InternalKnown for one	Unknown — not stated by the source	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.

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