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Product comparison · 2 internal hard drives

Lenovo 146.8GB Hot-Swap Ultra 320 SAS HDD vs Lenovo 250GB Hot-Swap SATAII HDD

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  • 8specifications compared
  • 4differ
  • 4identical
  • 4known for one product only

Key differences

The Lenovo 250GB Hot-Swap SATAII HDD has 103.2 GB more HDD capacity than the Lenovo 146.8GB Hot-Swap Ultra 320 SAS HDD (250 GB vs 146.8 GB). The Lenovo 146.8GB Hot-Swap Ultra 320 SAS HDD has 7,800 RPM more HDD speed than the Lenovo 250GB Hot-Swap SATAII HDD (15000 RPM vs 7200 RPM). The Lenovo 250GB Hot-Swap SATAII HDD has 5 ms more average seek time than the Lenovo 146.8GB Hot-Swap Ultra 320 SAS HDD (9 ms vs 4 ms).

  • HDD capacity
    • 146.8 GB
    • 250 GB
  • HDD speed
    • 15000 RPM
    • 7200 RPM
  • Average seek time
    • 4 ms
    • 9 ms
  • Average latency
    • 2 ms
    • 4.2 ms

Side by side

Differences highlightedShow differences only
12 specifications
A

Lenovo

146.8GB Hot-Swap Ultra 320 SAS HDDView product
B

Lenovo

250GB Hot-Swap SATAII HDDView product
Features4 differ
HDD capacityDiffers146.8 GB250 GB
HDD speedDiffers15000 RPM7200 RPM
HDD size3.5"3.5"
InterfaceUltra320 SCSIUltra320 SCSI
Component forKnown for oneServer/workstation
Storage drive buffer sizeKnown for one8 MB
Average seek timeDiffers4 ms9 ms
Average latencyDiffers2 ms4.2 ms
Poweridentical
Operating voltage5 / 12 V5 / 12 V
Other featuresidentical
InternalYesYes
Data transfer rateKnown for one3 Gbit/s
Sustained data rateKnown for one29.6 MB/s

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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