Text preview for : IBM Ultrastar 18LZX and 36ZX.PDF part of IBM Ultrastar 18LZX and 36ZX IBM HDD IBM Ultrastar 18LZX and 36ZX.PDF
Back to : IBM Ultrastar 18LZX and 3 | Home
Superior performance, reliability, and capacity for workstation,
subsystem, and PC and enterprise server applications
IBM Ultrastar 18LZX and 36ZX
hard disk drives
To achieve maximum I/O performance, Outstanding environmentals
Highlights these drives combine very fast seek times; Excellent environmental characteristics
extra large, multisegmented buffers; a provide the industry's lowest power require-
Capacities ranging from 9. (low
1 sophisticated new command queuing ments for 10,000 RPM disk drives.
profile) to 36.7 GB, rotational system; hardware automation; and Exclusive enhanced power save and
speeds at 10,000 RPM, and aver- industry-leading sustained data rates. A standby modes are triggered by read/
age seek times as fast as 4.9 ms new programmable write caching system, write inactivity to help minimize power use.
provide exceptional performance. Cache Optimizer, further reduces data
access time.
Industry-leading server drives Support for advanced
with giant magnetoresistive applications and interfaces
IBM Ultrastar 10,000 RPM drives employ
(GMR) advanced head technol- IBM Ultrastar drives provide the high data
GMR head technology to increase areal
ogy provide areal densities of throughput required by storage manage-
density and performance. In addition,
3534 Mbits/sq. in. ment, Internet, multimedia, and other
highly efficient No-ID* sector formatting
data-intensive applications. IBM also
enables more data to be stored per disk.
Buffer sizes up to 8.0 MB help offers a comprehensive set of parallel
provide outstanding perform- and serial host interfaces including
ance, especially for large data Reliability leadership Ultra2 SCSI, Ultra160 SCSI, SSA, and
transfers and other sequential To help ensure the maximum data Fibre-Channel.
operations. protection possible, IBM Ultrastar drives
include IBM-exclusive reporting tools,
Advanced head load/unload tech- such as Predictive Failure Analysis* (to
nology and glass substrate disks alert users about potential drive prob-
improve durability and robust- lems) and Drive -TIP* (to monitor drive
ness to prolong drive lifetime. temperatures and avoid malfunctions).
Proven drive technology Reliability is further enhanced by the
The newest members of the award- first implementation of IBM load/unload
winning IBM Ultrastar* family of server technology and glass substrate disks in
disk drives feature a revolutionary IBM server drives. Load/unload pro-
design that significantly enhances both vides up to 50,000 cycles, and glass
reliability and performance. As the third substrate disks provide a more robust
generation of IBM Ultrastar 10,000 RPM solution than aluminum disks at high
disk drives, the IBM Ultrastar 18LZX and RPMs. These technologies already have
36ZX drives offer proven quality and the been field-proven in industry-leading
latest technological advances, such as IBM mobile disk drives. IBM Ultrastar
shorter, lighter actuators and updated drives also have an extremely high rate of
mechanics and electronics. data accuracy.
IBM Ultrastar 36ZX 3.5-inch 36.7 GB high-
performance disk drive
IBM Ultrastar 36ZX and 18LZX 3.5-inch 36.7 GB, 18.3 GB, and 9.1 GB disk drives
Configuration DMVS Ultra2 SCSI DMVS Ultra160 SCSI DMVC DMVL
Interface Fast/Wide, SCA-2 Fast/Wide, SCA-3 SSA FC-AL
Formatted capacity (512 bytes) 36.7/18.3/9. GB1
1
Number of disks 10/5/3
Number of heads 20/10/5
Areal density (maximum) 3534 Mbits/sq. in.
Recording density (maximum) 260 KBPI
Track density 13,595 TPI
Sector size 512 to 688 Bytes
Channel PRML
Encoding method RLL (16/17)
Head type Giant magnetoresistive (GMR)
Performance Media data rate (banded) 23.3 to 44.3 MB/sec
Sustained data rate 15.2 to 29.5 MB/sec
Interface transfer rate (max) 80 MB/sec2 160 MB/sec 160 MB/sec3 200 MB/sec4
Access times (pop. avg)
Average read 5.4/4.9/4.9 ms
Track-to-track read 0.3 ms
Rotational speed 10,000 RPM
Latency (average) 3.0 ms
Buffer size 2 (8 optional) MB5 2 (8 optional) MB5 2 MB5 4 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/temperature sensor Yes
Load/unload cycles 50,000 cycles
Power Startup current (max) 2.90/1.76/1.76 amps
Standby 12.7/9.0/8.5 watts6
Idle (average) 17.4/11.5/10.0 watts7
Read/write (typical) 19.3/13.0/11.5 watts7
Power consumption efficiency index 0.0004/0.0006/0.001 watts/MB8
Dimensions Height 41.5/25.7 mm
Width 101.6 mm
Depth 146.8 mm
Weight 1. 4/0.71/0.70 kg
1
Mounting Industry standard, all orientations
Environmental characteristics Operating Nonoperating
Temperature 5