IBM 25L1920 hard drive specifications
IBM Ultrastar 18ES - hard drive - 18.3 GB - Ultra2 Wide SCSI
The IBM Ultrastar 18ES is a one-inch high low-profile hard disk drive that offers capacities of 18.2 gigabytes and 9.1 GB and average seek times as fast as 7.0 ms. And with the first implementation of giant magnetoresistive (GMR) head technology in a server-class drive, the Ultrastar 18ES provides an unprecedented areal density of 3.67 GB per disk. IBM has developed an integrated LSI chip that incorporates a microcomputer, hard disk controller, and flash memory in a single chip to help increase drive performance, reduce power usage, and enhance reliability.
Recommended software for IBM 25L1920 status and S.M.A.R.T. monitoring is ActiveSMART www.ariolic.com
Manufacturer
HDD Part Number
25L1920
Hard drive health monitoring software
ActiveSMART by Ariolic Software. Click to download ActiveSMART
General
Device Type
Hard drive - Internal hard drive
Width
4 in
Depth
5.7 in
Height
1 in
Weight
1.3 lbs
Hard Drive
Form Factor
Capacity
18.3 GB
Interface Type
Ultra2 Wide SCSI
Connector
80 pin Centronics (SCA-2)
Buffer Size
2 MB
Bytes per Sector
512
Compliant Standards
S.M.A.R.T.
Performance
Drive Transfer Rate
80 MBps
Internal Data Rate
30.5 MBps
Seek Time
7 ms (average) / 8 ms (max)
Track-to-Track Seek Time
0.8 ms
Average Latency
4.2 ms
Spindle Speed
7200 rpm
Reliability
Storage Hard Drive / Non-Recoverable Errors
1 per 10^13
Storage Controller
Type
None
Expansion / Connectivity
Connections
1 x Storage - Ultra2 Wide SCSI - 80 pin Centronics (SCA-2)
Compatible Bays
1 x Internal - 3.5" x 1/3H
Miscellaneous
Cables Included
None
Package Type
Retail
Power
Power Device
None
Software / System Requirements
Software Included
None
OS Required
None
Manufacturer Warranty
Service & Support
5 years warranty
Service & Support Details
Limited warranty - Parts - 5 years - Bring-in
Environmental Parameters
Min Operating Temperature
41 �F
Max Operating Temperature
131 �F
Humidity Range Operating
8 - 90%
Max Altitude Operating
9840 ft
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