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High capacity and superior performance for demanding
server environments
IBM Ultrastar 36LZX hard disk drives
Proven drive technology stabilizes head movement even under
Highlights As the fourth generation of the award- extreme conditions. Together, these
Rotational speeds of 10,000 RPM winning IBM Ultrastar* 10,000 RPM disk technologies provide a more robust
and average seek times as low drive family, the IBM Ultrastar 36LZX drive solution at high RPMs. In addition, IBM
as 4.9 ms help boost overall offers proven quality and the latest Ultrastar drives have fewer components
performance. technological advances, such as more than other drives, a factor that reduces
powerful actuator motors, active damping, the probability of component failure.
Capacities including 36 GB, 18 GB, and leading-edge interfaces.
and 9 GB provide outstanding Outstanding environmentals
configuration flexibility. To achieve maximum I/O performance,
An efficient electronic design enables low
these drives combine extremely fast seek
power requirements for 10,000 RPM
2 Gbits/sec fibre channel speed times, extra large multisegmented buffers,
drives. Enhanced power standby modes
provide the fastest interface a sophisticated new command queuing
are triggered by read/write inactivity to min-
technology. system, hardware automation, and
imize power use and are available only
industry-leading sustained data rates.
with load/unload technology, an exclusive
Enhanced suspension and active
Active damping, load/unload on IBM Ultrastar SCSI and serial drives.
damping improve write accuracy and
technology, and glass substrate
reduce data access time.
disks enhance reliability and
Support for advanced applica-
robustness to prolong drive
IBM Ultrastar 10,000 RPM drives employ tions and interfaces
lifetime.
giant magnetoresistive (GMR) head IBM Ultrastar drives provide the high data
technology to increase areal density (up throughput required by storage manage-
Buffer sizes up to 4 MB and
to 7 Gbits/sq. in.) and performance. In
.0 ment, Internet, multimedia, and other data-
automatic buffer transfer provide
addition, highly efficient No-ID* sector intensive applications. These drives offer
outstanding performance--
formatting enables more data to be stored Ultra160 SCSI and fibre channel interfaces.
especially for large data transfers
per disk.
and other sequential operations.
Quiet Seek reduces noise result- Reliability leadership
ing in outstanding acoustic To help ensure the maximum data
environmental performance. protection possible, IBM Ultrastar drives
include IBM-exclusive reporting tools,
such as Predictive Failure Analysis* (to
alert users about potential drive prob-
lems) and Drive-TIP* (to monitor drive
temperatures and avoid malfunctions).
Reliability is further enhanced through
load/unload technology, glass substrate
disks, and active damping, which
IBM Ultrastar 36LZX 3.5-inches 36.7GB
high-performance disk drive
IBM Ultrastar 36LZX 3.5-inch 36.7, 18.3, and 9.1 GB disk drives
Configuration DDYS DDYF
Interface Ultra160 SCSI 1 FC-AL
Formatted capacity (512 bytes) 36.7/18.3/9.1
Sector size (in bytes) 512-528 (variable, 2-byte inc.)
Recording zones 11
Data heads 12/6/3
Disks 6/3/2
Areal density (maximum) 7040 Mbits/sq. in.
Recording density (maximum) 352,000 BPI
Track density 20,000 TPI
Performance Data buffer 4 MB2
Rotational speed 10,000 RPM
Latency (average) 2.99 ms
Media transfer rate 280-452 Mbits/sec
Interface transfer rate 160 MB/sec 200/400 MB/sec
Sustained data rate 21.7-36.1 MB/sec
Seek time
Average 4.9 ms
Track to track 0.5 ms
Full track 10.5 ms
Reliability Error rate (nonrecoverable) 1 in 10E14 bits read
Start/stop cycles 50,000 cycles
Power (typical read)
Requirement +5 VDC (+-5%), +12 VDC (+-5%)
Dissipation (typical)
Startup (maximum peak) 0.94 A (5V), 0 A (5V),
2.5 A (12 V) 2.5 A (12 V)
Idle 12.9, 9.7, 8.5 W 13.6, 10.5, 9.94W
Power consumption efficiency index 0.0004 W/MB, 0.0004 W/MB,
0.0005 W/MB, 0.0006 W/MB,
0.0009 W/MB 0.0011 W/MB
Dimensions Height 25.4 mm
Width 101.6 mm
Depth 146.0 mm
Weight (maximum) 690 g
Environmental characteristics Operating Nonoperating
Ambient temperature 5