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Seagate Barracuda 320GB

Seagate Barracuda 320GB

Model Barracuda 320GBPart no. ST3320820NSEAN 7636490035548

33 specifications
  • Storage320 GB
  • Speed1030 Mbit/s
  • ConnectivitySerial ATA II
  • Weight635 g
  • Operating voltage5 V
  • Operating temperature (T-T)5 - 55 °C
See all specifications

Overview

Storage
320 GB
Speed
1030 Mbit/s
Connectivity
Serial ATA II
Weight
635 g
Operating voltage
5 V
Operating temperature (T-T)
5 - 55 °C
Brand
Seagate
Model
Barracuda 320GB
Part numbers
ST3320820NS, ST320DM001
EAN / UPC
7636490035548
Also known as
Seagate Desktop HDD Barracuda 320GB internal hard drive 7200 RPM 8 MB Serial ATA II

Specifications

33 specifications in 5 groups

Features

HDD capacity320 GB
HDD speed7200 RPM
InterfaceSerial ATA II
Storage drive buffer size8 MB
HDD number of cylinders16383
HDD number of heads4
Read seek time0.8 ms
Write seek time1 ms
Average latency4.16 ms
Bytes per sector512

Power

Operating voltage5 V
Start-up current2.8 A

Operational conditions

Operating temperature (T-T)5 - 55 °C
Storage temperature (T-T)-40 - 70 °C
Operating relative humidity (H-H)5 - 90%
Storage relative humidity (H-H)5 - 95%
Operating vibration5–22Hz: 0.25Gs, 22–350Hz: 0.50Gs, 350–500Hz: 0.25Gs
Non-operating vibration5–22Hz: 0.25Gs, 22–350Hz: 5.0Gs, 350–500Hz: 1.0Gs
Operating altitude-60.96 - 3.048 m
Non-operating altitude-60.96 - 12.192 m
Operating shock63 G
Non-operating shock350 G

Weight & dimensions

Width101.6 mm
Depth147 mm
Height26.1 mm
Weight635 g

Other features

InternalYes
Maximum data transfer rate1030 Mbit/s
Recording density781 kbit/inch
USB poweredNo
Sustained data rate72 MB/s
Drive devices burst data transfer rate (PIO)0-4
Drive devices burst data transfer rate (Ultra DMA)0-6

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