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Product comparison · 2 internal hard drives

HP 36GB, U320 SCSI, 15K Rpm vs Seagate Barracuda 7200.9 120 GB 7200 rpm SATA 3Gb/s

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  • 7specifications compared
  • 4differ
  • 3identical
  • 20known for one product only

Key differences

The Seagate Barracuda 7200.9 120 GB 7200 rpm SATA 3Gb/s has 84 GB more HDD capacity than the HP 36GB, U320 SCSI, 15K Rpm (120 GB vs 36 GB). The HP 36GB, U320 SCSI, 15K Rpm has 7,800 RPM more HDD speed than the Seagate Barracuda 7200.9 120 GB 7200 rpm SATA 3Gb/s (15000 RPM vs 7200 RPM). The HP 36GB, U320 SCSI, 15K Rpm has 6 MB more storage drive buffer size than the Seagate Barracuda 7200.9 120 GB 7200 rpm SATA 3Gb/s (8 MB vs 2 MB). Interface: Ultra320 SCSI on the HP 36GB, U320 SCSI, 15K Rpm, Serial ATA II on the Seagate Barracuda 7200.9 120 GB 7200 rpm SATA 3Gb/s.

  • HDD capacity
    • 36 GB
    • 120 GB
  • HDD speed
    • 15000 RPM
    • 7200 RPM
  • Interface
    • Ultra320 SCSI
    • Serial ATA II
  • Storage drive buffer size
    • 8 MB
    • 2 MB

Side by side

Differences highlightedShow differences only
27 specifications
A

HP

36GB, U320 SCSI, 15K RpmView product
B

Seagate

Barracuda 7200.9 120 GB 7200 rpm SATA 3Gb/sView product
Features4 differ
HDD capacityDiffers36 GB120 GB
HDD speedDiffers15000 RPM7200 RPM
HDD size3.5"3.5"
InterfaceDiffersUltra320 SCSISerial ATA II
Storage drive buffer sizeDiffers8 MB2 MB
Read seek timeKnown for one8 ms
Write seek timeKnown for one9 ms
Average latencyKnown for one4.16 ms
TypeKnown for oneHDD
Component forKnown for oneServer/workstation
Full stroke seek timeKnown for one7 ms
Average seek timeKnown for one3.5 ms
Poweridentical
Power consumption (standby)Known for one1.30 W
Operating voltage5 / 12 V5 / 12 V
Operational conditionsidentical
Operating shockKnown for one63 G
Non-operating shockKnown for one350 G
Weight & dimensionsidentical
WidthKnown for one101.6 mm
DepthKnown for one147 mm
HeightKnown for one26.1 mm
WeightKnown for one580 g
Other featuresidentical
HDD transfer rateKnown for one867.2 Mbit/s
Drive device, transfer rateKnown for one300 MB/s
External power adapterKnown for oneNo
InternalYesYes
USB poweredKnown for oneNo
Sustained data rateKnown for one83 MB/s
Maximum data transfer rateKnown for one320 Mbit/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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