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Product comparison · 2 internal hard drives

Lenovo 146GB Hot Swap SAS HDD vs Lenovo 250GB Hot-Swap SATAII HDD

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  • 8specifications compared
  • 4differ
  • 4identical
  • 5known for one product only

Key differences

The Lenovo 250GB Hot-Swap SATAII HDD has 104 GB more HDD capacity than the Lenovo 146GB Hot Swap SAS HDD (250 GB vs 146 GB). The Lenovo 146GB Hot Swap 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 146GB Hot Swap SAS HDD (9 ms vs 4 ms). Interface: SAS on the Lenovo 146GB Hot Swap SAS HDD, Ultra320 SCSI on the Lenovo 250GB Hot-Swap SATAII HDD.

  • HDD capacity
    • 146 GB
    • 250 GB
  • HDD speed
    • 15000 RPM
    • 7200 RPM
  • Interface
    • SAS
    • Ultra320 SCSI
  • Average seek time
    • 4 ms
    • 9 ms

Side by side

Differences highlightedShow differences only
13 specifications
A

Lenovo

146GB Hot Swap SAS HDDView product
B

Lenovo

250GB Hot-Swap SATAII HDDView product
Features4 differ
HDD capacityDiffers146 GB250 GB
HDD speedDiffers15000 RPM7200 RPM
HDD size3.5"3.5"
InterfaceDiffersSASUltra320 SCSI
Storage drive buffer sizeKnown for one8 MB
Access timeKnown for one6 ms
Average seek timeDiffers4 ms9 ms
Average latencyKnown for one4.2 ms
Poweridentical
Operating voltage5 / 12 V5 / 12 V
Other featuresidentical
Data transfer rate3 Gbit/s3 Gbit/s
InternalYesYes
Compatible productsKnown for onexSeries 260, 206m, 306m, System x3800
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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