HolidayBuyer's Guide

Seagate U4 (4.3GB) Specifications

Seagate U4 (4.3GB)

Part Number: ST34311A

General

  • Interface
    ATA-66
  • Bytes per Sector
    512
  • Buffer Size
    256 KB
  • Weight
    1.32 lbs
  • Manufacturer
    Seagate Technology

Power Device

  • Type
    none

Miscellaneous

  • MTBF
    400000 sec

Hard Drive

  • Form Factor
    3.5" x 1/3H
  • Interface Type
    ATA-66
  • Spindle Speed
    5400 rpm
  • Hard Drive Type
    internal hard drive
  • Form Factor (Short)
    3.5"
  • Form Factor (metric)
    8.9 cm x 1/3H
  • Form Factor (Short) (metric)
    8.9 cm
  • Storage Interface
    ATA-66
  • Interface
    ATA-66
  • Average Seek Time
    10.5 ms
  • Max Seek Time
    24 ms
  • Track-to-Track Seek Time
    2 ms
  • Average Latency
    5.6 ms
  • Data Transfer Rate
    66.6 MBps
  • Internal Data Rate
    25.8 MBps
  • Buffer Size
    256 KB
  • Bytes per Sector
    512 Hz
  • Start / Stop Cycles
    50000

Expansion & Connectivity

  • Connections
    1 x storage - ATA-66 - 40 pin IDC

Performance

  • Internal Data Rate
    25.8 MBps
  • Seek Time
    10.5 ms (average) / 24 ms (max)
  • Drive Transfer Rate
    66.6 MBps (external)
  • Average Latency
    5.6 ms
  • Spindle Speed
    5400 rpm
  • Track-to-Track Seek Time
    2 ms

Storage Controller (2nd)

  • Type
    none

Environmental Parameters

  • Shock Tolerance
    63 g @ 2ms half-sine pulse (operating) / 300 g @ 2ms half-sine pulse (non-operating)
  • Max Altitude Operating
    9840 ft
  • Min Operating Temperature
    32 °F
  • Max Operating Temperature
    131 °F
  • Humidity Range Operating
    5 - 90%

Storage Hard Drive

  • Compliant Standards
    S.M.A.R.T.

Header

  • Brand
    Seagate
  • Product Line
    Seagate U4
  • Model
    4311
  • Packaged Quantity
    1
  • Compatibility
    PC

Interface Required

  • Connector Type
    40 pin IDC
  • Gender
    female
  • Connector Qty
    1
  • Total Qty
    1

Bay Required

  • Type
    internal
  • Form Factor
    3.5" x 1/3H
  • Form Factor (metric)
    8.9 cm x 1/3H
  • Total Qty
    1

Slot Required

  • Type
    none

Dimensions & Weight

  • Width
    4 in
  • Depth
    5.8 in
  • Height
    1 in
  • Weight
    1.32 lbs

Reliability

  • Start / Stop Cycles
    50,000
  • MTBF
    400,000 hours

General

  • Manufacturer
    Seagate Technology

Where to Buy

Seagate U4 (4.3GB)

Part Number: ST34311A

MSRP: $5.29

Visit manufacturer site for details.