Product comparison · 2 internal hard drives

Seagate 160GB 3.5" SATA II vs Seagate 40GB 3.5" Ultra ATA/100

30specifications compared
6differ
24identical
0known for one product only

Key differences

The Seagate 160GB 3.5" SATA II has 120 GB more HDD capacity than the Seagate 40GB 3.5" Ultra ATA/100 (160 GB vs 40 GB). The Seagate 160GB 3.5" SATA II has 6 MB more storage drive buffer size than the Seagate 40GB 3.5" Ultra ATA/100 (8 MB vs 2 MB). The Seagate 40GB 3.5" Ultra ATA/100 has 3 ms more read seek time than the Seagate 160GB 3.5" SATA II (11 ms vs 8 ms). Interface: Serial ATA II on the Seagate 160GB 3.5" SATA II, Ultra-ATA/100 on the Seagate 40GB 3.5" Ultra ATA/100.

HDD capacity
- 160GB 3.5" SATA II:160 GB
- 40GB 3.5" Ultra ATA/100:40 GB
Interface
- 160GB 3.5" SATA II:Serial ATA II
- 40GB 3.5" Ultra ATA/100:Ultra-ATA/100
Storage drive buffer size
- 160GB 3.5" SATA II:8 MB
- 40GB 3.5" Ultra ATA/100:2 MB
Read seek time
- 160GB 3.5" SATA II:8 ms
- 40GB 3.5" Ultra ATA/100:11 ms
Write seek time
- 160GB 3.5" SATA II:9 ms
- 40GB 3.5" Ultra ATA/100:12 ms
Start-up current
- 160GB 3.5" SATA II:2.6 A
- 40GB 3.5" Ultra ATA/100:2.8 A

Side by side

Differences highlightedShow differences only

Comparison of 160GB 3.5" SATA II, 40GB 3.5" Ultra ATA/100
30 specifications	A Seagate 160GB 3.5" SATA II View product	B Seagate 40GB 3.5" Ultra ATA/100 View product
Features5 differ
HDD capacityDiffers	160 GB	40 GB
InterfaceDiffers	Serial ATA II	Ultra-ATA/100
Storage drive buffer sizeDiffers	8 MB	2 MB
Read seek timeDiffers	8 ms	11 ms
Write seek timeDiffers	9 ms	12 ms
Power1 differ
Start-up currentDiffers	2.6 A	2.8 A

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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