Product comparison · 2 internal hard drives

Seagate Barracuda 7200.9 160, Ultra ATA/100, 20pk vs Seagate CHEETAH 10K.7 300GB Ultra320 20 pk

14specifications compared
10differ
4identical
14known for one product only

Key differences

The Seagate CHEETAH 10K.7 300GB Ultra320 20 pk has 140 GB more HDD capacity than the Seagate Barracuda 7200.9 160, Ultra ATA/100, 20pk (300 GB vs 160 GB). The Seagate CHEETAH 10K.7 300GB Ultra320 20 pk has 2,800 RPM more HDD speed than the Seagate Barracuda 7200.9 160, Ultra ATA/100, 20pk (10000 RPM vs 7200 RPM). The Seagate Barracuda 7200.9 160, Ultra ATA/100, 20pk has 248 more HDD heads than the Seagate CHEETAH 10K.7 300GB Ultra320 20 pk (256 vs 8). Interface: Ultra-ATA/100 on the Seagate Barracuda 7200.9 160, Ultra ATA/100, 20pk, SCSI on the Seagate CHEETAH 10K.7 300GB Ultra320 20 pk. Dimensions (WxDxH): 101.6 x 146.9 x 26.04 mm on the Seagate Barracuda 7200.9 160, Ultra ATA/100, 20pk, 146.05 x 101.6 x 25.4 mm on the Seagate CHEETAH 10K.7 300GB Ultra320 20 pk.

HDD capacity
- Barracuda 7200.9 160, Ultra ATA/100, 20pk:160 GB
- CHEETAH 10K.7 300GB Ultra320 20 pk:300 GB
HDD speed
- Barracuda 7200.9 160, Ultra ATA/100, 20pk:7200 RPM
- CHEETAH 10K.7 300GB Ultra320 20 pk:10000 RPM
Interface
- Barracuda 7200.9 160, Ultra ATA/100, 20pk:Ultra-ATA/100
- CHEETAH 10K.7 300GB Ultra320 20 pk:SCSI
HDD number of heads
- Barracuda 7200.9 160, Ultra ATA/100, 20pk:256
- CHEETAH 10K.7 300GB Ultra320 20 pk:8
Average latency
- Barracuda 7200.9 160, Ultra ATA/100, 20pk:4.16 ms
- CHEETAH 10K.7 300GB Ultra320 20 pk:3 ms
Width
- Barracuda 7200.9 160, Ultra ATA/100, 20pk:101.6 mm
- CHEETAH 10K.7 300GB Ultra320 20 pk:146.1 mm
Depth
- Barracuda 7200.9 160, Ultra ATA/100, 20pk:146.9 mm
- CHEETAH 10K.7 300GB Ultra320 20 pk:101.6 mm
Height
- Barracuda 7200.9 160, Ultra ATA/100, 20pk:26 mm
- CHEETAH 10K.7 300GB Ultra320 20 pk:25.4 mm

Side by side

Differences highlightedShow differences only

Comparison of Barracuda 7200.9 160, Ultra ATA/100, 20pk, CHEETAH 10K.7 300GB Ultra320 20 pk
28 specifications	A Seagate Barracuda 7200.9 160, Ultra ATA/100, 20pk View product	B Seagate CHEETAH 10K.7 300GB Ultra320 20 pk View product
Features5 differ
HDD capacityDiffers	160 GB	300 GB
HDD speedDiffers	7200 RPM	10000 RPM
InterfaceDiffers	Ultra-ATA/100	SCSI
HDD number of headsDiffers	256	8
Read seek timeKnown for one	Unknown — not stated by the source	4.7 ms
Write seek timeKnown for one	Unknown — not stated by the source	5.3 ms
Track to track seek timeKnown for one	Unknown — not stated by the source	0.2 ms
Average latencyDiffers	4.16 ms	3 ms
HDD number of cylindersKnown for one	1024	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 55 °C
Weight & dimensions4 differ
WidthDiffers	101.6 mm	146.1 mm
DepthDiffers	146.9 mm	101.6 mm
HeightDiffers	26 mm	25.4 mm
WeightDiffers	580 g	726 g
Other features1 differ
Dimensions (WxDxH)Differs	101.6 x 146.9 x 26.04 mm	146.05 x 101.6 x 25.4 mm
Data transfer rateKnown for one	Unknown — not stated by the source	2 Gbit/s
Mac compatibilityKnown for one	Unknown — not stated by the source	No
USB poweredKnown for one	Unknown — not stated by the source	No
Compatible productsKnown for one	Unknown — not stated by the source	PCs
HDD transfer rateKnown for one	100 Mbit/s	Unknown — not stated by the source
Power requirementsKnown for one	2.6	Unknown — not stated by the source
Drive devices burst data transfer rate (DMA)Known for one	2	Unknown — not stated by the source
Drive devices burst data transfer rate (PIO)Known for one	4	Unknown — not stated by the source
Drive devices burst data transfer rate (Ultra DMA)Known for one	5	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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