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Product comparison · 2 internal hard drives

Lenovo 73GB 3.5" SAS vs Seagate SATA 3.0-Gb/s 1-TB

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  • 9specifications compared
  • 7differ
  • 2identical
  • 31known for one product only

Key differences

The Lenovo 73GB 3.5" SAS has 7,800 RPM more HDD speed than the Seagate SATA 3.0-Gb/s 1-TB (15000 RPM vs 7200 RPM). The Seagate SATA 3.0-Gb/s 1-TB has 16 MB more storage drive buffer size than the Lenovo 73GB 3.5" SAS (32 MB vs 16 MB). The Seagate SATA 3.0-Gb/s 1-TB has 5 ms more read seek time than the Lenovo 73GB 3.5" SAS (8.5 ms vs 3.5 ms). HDD capacity: 73 GB on the Lenovo 73GB 3.5" SAS, 1 TB on the Seagate SATA 3.0-Gb/s 1-TB. Interface: SAS on the Lenovo 73GB 3.5" SAS, Serial ATA II on the Seagate SATA 3.0-Gb/s 1-TB.

  • HDD capacity
    • 73 GB
    • 1 TB
  • HDD speed
    • 15000 RPM
    • 7200 RPM
  • Interface
    • SAS
    • Serial ATA II
  • Storage drive buffer size
    • 16 MB
    • 32 MB
  • Read seek time
    • 3.5 ms
    • 8.5 ms
  • Average latency
    • 2 ms
    • 4.16 ms
  • Weight
    • 840 g
    • 677 g

Side by side

Differences highlightedShow differences only
40 specifications
A

Lenovo

73GB 3.5" SASView product
B

Seagate

SATA 3.0-Gb/s 1-TBView product
Features6 differ
HDD capacityDiffers73 GB1 TB
HDD speedDiffers15000 RPM7200 RPM
InterfaceDiffersSASSerial ATA II
Storage drive buffer sizeDiffers16 MB32 MB
HDD number of headsKnown for one8
Read seek timeDiffers3.5 ms8.5 ms
Write seek timeKnown for one9.5 ms
Track to track seek timeKnown for one1 ms
Average latencyDiffers2 ms4.16 ms
Bytes per sectorKnown for one512
Start/stop cyclesKnown for one50000
HDD sizeKnown for one3.5"
TypeKnown for oneHDD
Component forKnown for oneServer/workstation
Operational conditionsidentical
Operating temperature (T-T)5 - 55 °C5 - 55 °C
Storage temperature (T-T)Known for one-40 - 70 °C
Operating relative humidity (H-H)5 - 95%5 - 95%
Storage relative humidity (H-H)Known for one5 - 95%
Operating vibrationKnown for one350 G
Non-operating vibrationKnown for one350 G
Operating altitudeKnown for one-60.96 - 3048 m
Non-operating altitudeKnown for one60.96 - 12192 m
Operating shockKnown for one70 G
Non-operating shockKnown for one300 G
Weight & dimensions1 differ
WeightDiffers840 g677 g
WidthKnown for one102 mm
DepthKnown for one26 mm
HeightKnown for one147 mm
Other featuresidentical
HDD transfer rateKnown for one1287 Mbit/s
Dimensions (WxDxH)Known for one101.6 x 146.99 x 26.1 mm
Disks included quantityKnown for one4 pc(s)
Drive device, transfer rateKnown for one300 MB/s
Drive ready timeKnown for one20 s
InternalKnown for oneYes
Recording densityKnown for one1090 kbit/inch
Track densityKnown for one150
Sustained data rateKnown for one105 MB/s
Windows operating systems supportedKnown for oneYes
CertificationKnown for oneUL, TUV, IEC, CSA, CE MARK, C-Tick, BSMI
Poweridentical
Operating voltageKnown for one5 / 12 V

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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