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Superior performance, reliability, and capacity for workstation,
subsystem, and PC and enterprise server applications
IBM Ultrastar 9LZX and 18ZX
Hard Disk Drives
Featuring 9.1 GB (low profile) and SCA II), Serial Storage Architecture
Highlights 18.2 GB, the Ultrastar 9LZX and 18ZX (SSA), and Fibre Channel-Arbitrated
provide exceptional performance. Loop (FCAL).
Rotational speeds of up to These drives combine a rotational
10,020 RPM and average seek speed of 10,020 RPM and seek times
times as fast as 5.3 ms provide as fast as 5.3 ms with the IBM custom
exceptional performance. controller that incorporates command
queuing and a large programmable
The IBM Drive-Temperature multisegmented cache up to 4.0 MB.
Indicator Processor (Drive-TIP*) Hardware automation further reduces
feature automatically monitors SCSI command overhead and cache
disk drive temperature and accessing time.
alerts the SCSI drive controller
when the recommended tem-
perature is exceeded. Reliability leadership
The new Ultrastar disk drives support the
Industry-leading server drive failure prediction capabilities of S.M.A.R.T.
areal densities of 2024 Mbits/sq. (Self-Monitoring Analysis and Report-
in. result in lighter weight drives ing Technology), IBM Predictive Failure
with improved environmentals. Analysis* (PFA), and the IBM-exclusive
Drive-TIP. These features help ensure Ultrastar 9LZX 3.5-inch 9.1 GB high-
A buffer size 4.0 MB provides the maximum possible protection for performance disk drive
outstanding performance, end user data.
especially for data-intensive
applications that access data Support for advanced
sequentially. applications
Improvements in data throughput are
increasingly important in advanced
Proven drive technology
applications. Online transaction and
The newest members of the IBM
analytical processing (OLTP OLAP) and
,
Ultrastar* family of disk drives provide
other data-intensive applications--
excellent reliability and performance
along with Internet servers and storage
for servers. Migration to the 9LZX and
area network servers--can all achieve
18ZX drives is simplified by the use of
the maximum benefit from the ad-
magnetoresistive extended (MRX)
vanced technology of these Ultrastar
advanced head technology, No-ID*
disk drives.
sector formatting, a powerful custom
controller with hardware assist func-
tions, a proven PRML data channel, and Advanced interfaces
the field-proven design, electronics, IBM offers a comprehensive set of
and mechanics of previous generations parallel and serial host interfaces, Ultrastar 18ZX 3.5-inch 18.2 GB high-
of the award-winning Ultrastar family. including Ultra2 SCSI LVD (fast, wide, performance disk drive
IBM Ultrastar 9LZX and 18ZX 3.5-inch 9. GB and 18.2 GB disk drives
1
Configuration DRVS Ultra2 SCSI DRVC DRVL
Interface Fast/Wide, SCA-2 SSA FCAL
Formatted capacity (512 bytes) 9. /18.2 GB1
1
Number of disks 5/10
Number of heads 10/20
Areal density (maximum) 2024 Mbits/sq. in.
Recording density (maximum) 219. KBPI
1
Track density 9240 TPI
Sector size 512 to 732 Bytes
Channel PRML
Encoding method RLL (16/17)
Head type Magnetoresistive Extended (MRX)
Dedicated landing zone Yes
Performance Media data rate (banded) 187 to 243.7 Mbits/sec
.2
Internal formatted transfer rate 17 to 23.3 MB/sec
.5
Interface transfer rate (max) 80 MB/sec2 160 MB/sec3 200 MB/sec4
Access times (pop. avg)
Average read 5.3/6.5 ms
Track-to-track read 0.7 ms
Rotational speed 10,020 RPM
Latency (average) 2.99 ms
Buffer size 4.0 MB5
Reliability Recoverable read errors <10 in 10E13 bits read
Non-recoverable read errors <10 in 10E15 bits read
S.M.A.R.T./PFA Yes
Temperature sensor Yes
Power Startup current (max) 2.0/3.2 Amps
Idle (average) 11.2/16.3 Watts
Read/write (typical) 13.2/19.5 Watts
Power consumption efficiency index .0011/.0009 Watts/MB6
Physical dimensions Height 25.7/41.5 mm
Width 101.6 mm
Depth 146.8 mm
Weight 0.66/1.03 kg
Mounting Industry standard, all orientations
Environmental characteristics Operating Non-operating
Temperature 5