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Product comparison · 2 internal hard drives

Lenovo 250GB Hot-Swap SATAII HDD vs Lenovo 73.4GB SAS hard drive

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

Key differences

The Lenovo 250GB Hot-Swap SATAII HDD has 176.6 GB more HDD capacity than the Lenovo 73.4GB SAS hard drive (250 GB vs 73.4 GB). The Lenovo 73.4GB SAS hard drive 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 73.4GB SAS hard drive (3.5" vs 2.5"). Interface: Ultra320 SCSI on the Lenovo 250GB Hot-Swap SATAII HDD, SAS on the Lenovo 73.4GB SAS hard drive. Operating voltage: 5 / 12 V on the Lenovo 250GB Hot-Swap SATAII HDD, 5 V on the Lenovo 73.4GB SAS hard drive.

  • HDD capacity
    • 250 GB
    • 73.4 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

73.4GB SAS hard driveView product
Features6 differ
HDD capacityDiffers250 GB73.4 GB
HDD speedDiffers7200 RPM10000 RPM
HDD sizeDiffers3.5"2.5"
InterfaceDiffersUltra320 SCSISAS
Average seek timeDiffers9 ms4.7 ms
Average latencyDiffers4.2 ms3 ms
Storage drive buffer sizeKnown for one8 MB
Power1 differ
Operating voltageDiffers5 / 12 V5 V
Other featuresidentical
Data transfer rateKnown for one3 Gbit/s
Sustained data rateKnown for one29.6 MB/s
Drive device, transfer rateKnown for one300 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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