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Product comparison · 2 internal hard drives

Fujitsu MHZ2120BJ - 120 GB, 2.5", 7200 RPM vs Fujitsu MHZ2500BT - 500 GB, 2.5", SATA, 4200 RPM

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  • 26specifications compared
  • 9differ
  • 17identical
  • 3known for one product only

Key differences

The Fujitsu MHZ2500BT - 500 GB, 2.5", SATA, 4200 RPM has 380 GB more HDD capacity than the Fujitsu MHZ2120BJ - 120 GB, 2.5", 7200 RPM (500 GB vs 120 GB). The Fujitsu MHZ2120BJ - 120 GB, 2.5", 7200 RPM has 3,000 RPM more HDD speed than the Fujitsu MHZ2500BT - 500 GB, 2.5", SATA, 4200 RPM (7200 RPM vs 4200 RPM). The Fujitsu MHZ2120BJ - 120 GB, 2.5", 7200 RPM has 8 MB more storage drive buffer size than the Fujitsu MHZ2500BT - 500 GB, 2.5", SATA, 4200 RPM (16 MB vs 8 MB).

  • HDD capacity
    • 120 GB
    • 500 GB
  • HDD speed
    • 7200 RPM
    • 4200 RPM
  • Storage drive buffer size
    • 16 MB
    • 8 MB
  • Read seek time
    • 10.5 ms
    • 12 ms
  • Write seek time
    • 12.5 ms
    • 14 ms
  • Average latency
    • 4.17 ms
    • 7.14 ms
  • Width
    • 700 mm
    • 70 mm
  • Height
    • 9.5 mm
    • 12.5 mm

Side by side

Differences highlightedShow differences only
29 specifications
A

Fujitsu

MHZ2120BJ - 120 GB, 2.5", 7200 RPMView product
B

Fujitsu

MHZ2500BT - 500 GB, 2.5", SATA, 4200 RPMView product
Features6 differ
HDD capacityDiffers120 GB500 GB
HDD speedDiffers7200 RPM4200 RPM
HDD size2.5"2.5"
InterfaceSerial ATASerial ATA
Storage drive buffer sizeDiffers16 MB8 MB
Read seek timeDiffers10.5 ms12 ms
Write seek timeDiffers12.5 ms14 ms
Track to track seek time1.5 ms1.5 ms
Average latencyDiffers4.17 ms7.14 ms
Bytes per sector512512
Poweridentical
Power consumption (standby)Known for one0.13 W
Operating voltage5 V5 V
Operational conditionsidentical
Operating temperature (T-T)5 - 55 °C5 - 55 °C
Storage temperature (T-T)-40 - 65 °C-40 - 65 °C
Operating relative humidity (H-H)8 - 90%8 - 90%
Storage relative humidity (H-H)Known for one5 - 95%
Operating vibration9.8 G9.8 G
Non-operating vibration49 G49 G
Operating altitude-300 - 3000 m-300 - 3000 m
Non-operating altitude-300 - 12000 m-300 - 12000 m
Operating shock325 G325 G
Non-operating shock900 G900 G
Weight & dimensions3 differ
WidthDiffers700 mm70 mm
Depth100 mm100 mm
HeightDiffers9.5 mm12.5 mm
WeightDiffers116 g135 g
Other featuresidentical
HDD transfer rateKnown for one300 Mbit/s
Data transfer rate3 Gbit/s3 Gbit/s
InternalYesYes

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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