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Product comparison · 2 internal hard drives

Lenovo 250GB Hot-Swap SATAII HDD vs Samsung Spinpoint M HM400LI internal hard drive

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  • 8specifications compared
  • 7differ
  • 1identical
  • 23known for one product only

Key differences

The Samsung Spinpoint M HM400LI internal hard drive has 150 GB more HDD capacity than the Lenovo 250GB Hot-Swap SATAII HDD (400 GB vs 250 GB). The Lenovo 250GB Hot-Swap SATAII HDD has 1,800 RPM more HDD speed than the Samsung Spinpoint M HM400LI internal hard drive (7200 RPM vs 5400 RPM). The Lenovo 250GB Hot-Swap SATAII HDD has 1" more HDD size than the Samsung Spinpoint M HM400LI internal hard drive (3.5" vs 2.5"). Interface: Ultra320 SCSI on the Lenovo 250GB Hot-Swap SATAII HDD, Serial ATA II on the Samsung Spinpoint M HM400LI internal hard drive. Operating voltage: 5 / 12 V on the Lenovo 250GB Hot-Swap SATAII HDD, 5 V on the Samsung Spinpoint M HM400LI internal hard drive.

  • HDD capacity
    • 250 GB
    • 400 GB
  • HDD speed
    • 7200 RPM
    • 5400 RPM
  • HDD size
    • 3.5"
    • 2.5"
  • Interface
    • Ultra320 SCSI
    • Serial ATA II
  • Average seek time
    • 9 ms
    • 12 ms
  • Average latency
    • 4.2 ms
    • 5.6 ms
  • Operating voltage
    • 5 / 12 V
    • 5 V

Side by side

Differences highlightedShow differences only
31 specifications
A

Lenovo

250GB Hot-Swap SATAII HDDView product
B

Samsung

Spinpoint M HM400LI internal hard drive

Model HM400LI

View product
Features6 differ
HDD capacityDiffers250 GB400 GB
HDD speedDiffers7200 RPM5400 RPM
HDD sizeDiffers3.5"2.5"
InterfaceDiffersUltra320 SCSISerial ATA II
Average seek timeDiffers9 ms12 ms
Average latencyDiffers4.2 ms5.6 ms
Bytes per sectorKnown for one512
Power1 differ
Power consumption (standby)Known for one0.7 W
Operating voltageDiffers5 / 12 V5 V
Start-up currentKnown for one1 A
Operational conditionsidentical
Operating temperature (T-T)Known for one5 - 55 °C
Storage temperature (T-T)Known for one-40 - 70 °C
Operating relative humidity (H-H)Known for one5 - 90%
Storage relative humidity (H-H)Known for one5 - 95%
Operating vibrationKnown for one0.76 Grms
Operating altitudeKnown for one-300 - 3000 m
Non-operating altitudeKnown for one-400 - 15000 m
Operating shockKnown for one325 G
Non-operating shockKnown for one900 G
Weight & dimensionsidentical
WidthKnown for one69.8 mm
DepthKnown for one100 mm
HeightKnown for one9.5 mm
WeightKnown for one115 g
Other featuresidentical
HDD transfer rateKnown for one860 Mbit/s
Power requirementsKnown for one+5V±5%
Drive ready timeKnown for one5 s
Maximum data transfer rateKnown for one300 Mbit/s
Plug and PlayKnown for oneYes
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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