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IBM 00K4000 UltraStar 9ES 4.5GB Ultra 
Wide SCSI 68-Pin 7200RPM Hard Drive (OOK4OOO)


As a member of the IBM Ultrastar family of disk drives, the Ultrastar 9ES is designed to provide a reliable, cost-effective storage solution for a wide range of workstations, high-performance desktop systems, and LAN servers running Internet/intranet, CAD/CAM, and multimedia applications.

The Ultrastar 9ES achieves its high level of reliability, performance, and affordability by leveraging IBM's development and implementation experience in advanced disk drive technologies. These include Magnetoresistive Extended (MRX) advanced head technology, No-ID sector formatting, the Partial Response Maximum Likelihood (PRML) digital data channel, and a new integrated LSI chip. MRX advanced head technology increases areal density and reduces the number of disks and heads required for a given capacity. No-ID sector formatting increases storage capacity by eliminating overhead caused by the duplicate storage of each data sector's ID field onto the disk, which thereby creates more available disk space for data. PRML enables higher areal densities and significantly enhances the drive's overall performance by increasing media-to-buffer and buffer transfer rates.


  • Size: 4.5 GB Internal Drive
  • Speed: 7200 rpm
  • Access Time: 7.5 ms
  • Interface: Ultra Wide SCSI


Capacity 4.5 GB
Interface Ultra Wide SCSI
Rotational Speed 7200 rpm
Access Time 7.5 ms
Type of Drive Internal
Connectors 1 x storage - Ultra Wide SCSI - 68 pin HD D-Sub (HD-68)
Cache Size 384 KB
System Type PC
Average Latency 4.2 ms
Dimensions 1 in x 4 in x 5.7 in (HxWxD)

Product Content:

  • IBM 00K4000 UltraStar 9ES 4.5GB Ultra Wide SCSI 68-Pin 7200RPM Hard Drive (OOK4OOO)

Before you purchase this item, please ensure that you have verified compatibility with system by visiting the manufacturer's web site.
We assume no responsibility and will not accept full refunds for items purchased that are not compatible with your system configuration



  • 30 Day

Availability: Usually ships the same business day

IBM 00K4000 UltraStar 9ES 4.5GB Ultra Wide SCSI 68-Pin 7200RPM Hard Drive (OOK4OOO)
00K4000P.O & Phone Orders: $99.00ON-LINE SPECIAL: $79.00
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