Product comparison · 2 internal hard drives

Seagate Barracuda ES.2 SATA 250GB vs Seagate Cheetah 15K.5 Ultra320 SCS 73.4GB

Key differences

HDD capacity
- Barracuda ES.2 SATA 250GB:250 GB
- Cheetah 15K.5 Ultra320 SCS 73.4GB:73.4 GB
HDD speed
- Barracuda ES.2 SATA 250GB:7200 RPM
- Cheetah 15K.5 Ultra320 SCS 73.4GB:15000 RPM
Interface
- Barracuda ES.2 SATA 250GB:Serial ATA
- Cheetah 15K.5 Ultra320 SCS 73.4GB:SCSI
Storage drive buffer size
- Barracuda ES.2 SATA 250GB:32 MB
- Cheetah 15K.5 Ultra320 SCS 73.4GB:16 MB
Read seek time
- Barracuda ES.2 SATA 250GB:8.5 ms
- Cheetah 15K.5 Ultra320 SCS 73.4GB:3.5 ms
Write seek time
- Barracuda ES.2 SATA 250GB:9.5 ms
- Cheetah 15K.5 Ultra320 SCS 73.4GB:4 ms
Average latency
- Barracuda ES.2 SATA 250GB:4.16 ms
- Cheetah 15K.5 Ultra320 SCS 73.4GB:2 ms
Width
- Barracuda ES.2 SATA 250GB:101.6 mm
- Cheetah 15K.5 Ultra320 SCS 73.4GB:101.8 mm

Differences highlightedShow differences only

Comparison of Barracuda ES.2 SATA 250GB, Cheetah 15K.5 Ultra320 SCS 73.4GB
12 specifications	A Seagate Barracuda ES.2 SATA 250GB View product	B Seagate Cheetah 15K.5 Ultra320 SCS 73.4GB View product
Features7 differ
HDD capacityDiffers	250 GB	73.4 GB
HDD speedDiffers	7200 RPM	15000 RPM
InterfaceDiffers	Serial ATA	SCSI
Storage drive buffer sizeDiffers	32 MB	16 MB
Read seek timeDiffers	8.5 ms	3.5 ms
Write seek timeDiffers	9.5 ms	4 ms
Average latencyDiffers	4.16 ms	2 ms
Weight & dimensions2 differ
WidthDiffers	101.6 mm	101.8 mm
WeightDiffers	518 g	839 g

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.