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Product comparison · 2 internal hard drives

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

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  • 8specifications compared
  • 7differ
  • 1identical
  • 4known for one product only

Key differences

The Lenovo 250GB Hot-Swap SATAII HDD has 104 GB more HDD capacity than the Lenovo ServerBlade 146GB SAS SFF HDD (250 GB vs 146 GB). The Lenovo ServerBlade 146GB SAS SFF HDD has 2,800 RPM more HDD speed than the Lenovo 250GB Hot-Swap SATAII HDD (10000 RPM vs 7200 RPM). The Lenovo 250GB Hot-Swap SATAII HDD has 1" more HDD size than the Lenovo ServerBlade 146GB SAS SFF HDD (3.5" vs 2.5"). Interface: Ultra320 SCSI on the Lenovo 250GB Hot-Swap SATAII HDD, SAS on the Lenovo ServerBlade 146GB SAS SFF HDD. Operating voltage: 5 / 12 V on the Lenovo 250GB Hot-Swap SATAII HDD, 5 V on the Lenovo ServerBlade 146GB SAS SFF HDD.

  • HDD capacity
    • 250 GB
    • 146 GB
  • HDD speed
    • 7200 RPM
    • 10000 RPM
  • HDD size
    • 3.5"
    • 2.5"
  • Interface
    • Ultra320 SCSI
    • SAS
  • Average seek time
    • 9 ms
    • 4.7 ms
  • Average latency
    • 4.2 ms
    • 3 ms
  • Operating voltage
    • 5 / 12 V
    • 5 V

Side by side

Differences highlightedShow differences only
12 specifications
A

Lenovo

250GB Hot-Swap SATAII HDDView product
B

Lenovo

ServerBlade 146GB SAS SFF HDDView product
Features6 differ
HDD capacityDiffers250 GB146 GB
HDD speedDiffers7200 RPM10000 RPM
HDD sizeDiffers3.5"2.5"
InterfaceDiffersUltra320 SCSISAS
Average seek timeDiffers9 ms4.7 ms
Average latencyDiffers4.2 ms3 ms
Component forKnown for oneServer/workstation
Storage drive buffer sizeKnown for one16 MB
Power1 differ
Operating voltageDiffers5 / 12 V5 V
Other featuresidentical
Data transfer rateKnown for one3 Gbit/s
InternalYesYes
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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