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Ready to excel in the most demanding
server-class environments
Hitachi Ultrastar 146 Z10
hard disk drives
Highlights
Rotational speed of 10,000 rpm and average seek times as low as
4.7 ms provide outstanding performance
Capacities of 146, 73, 36, and 18GB from a single server drive fam-
ily for unrivaled configuration flexibility and ease of integration
First ever server-class drive to implement antiferromagnetically-
coupled (AFC) media, combined with advanced head/disk design,
resulting in high reliability for today's critical server-class
environments
Enhanced servo technology (Rotational Vibration Safeguard)
nullifies the effect of rotational vibration in multi-drive cabinets,
overcoming an industry hurdle to optimal server performance
Advanced drive technology sector formatting enables more data to be In addition, load/unload technology and
Introducing the sixth generation of stored per disk glass substrate disks increase reliability
Ultrastar 10,000 rpm disk drives. The of Ultrastar drives by providing a more
Hitachi Ultrastar 146 Z10 drive family offers Reliability features robust solution at high rotational speeds.
high quality and superior performance. The Ultrastar 146 Z10 family of server-
These drives feature more powerful pro- class drives is the first of its class Outstanding environmentals
cessors and read/write channels to excel to incorporate our storage breakthrough Hitachi Ultrastar drives provide extremely
in server-class environments. technology--antiferromagnetically- quiet operation. The tri-laminate drive
coupled (AFC) media. Informally known cover reduces both idle and seek acous-
To achieve maximum I/O performance, as "pixie dust" this technology sand-
, tics while an enhanced spindle motor
the drives combine fast seek times, wiches a three-atom thick layer of driver enables smoother commutation for
large 8 MB multi-segmented buffers, a ruthenium, a precious metal, between two less noise. Moreover, the Ultrastar 146 Z10
sophisticated command queuing algo- magnetic layers on a disk. AFC tech- delivers an outstanding power efficient
rithm, hardware automation, and superior nology provides greater stability of the design.
data rates (825 Mbps). Ultrastar 146 recording media, enhancing reliability.
Z10 drives include new servo technology Support for advanced appli-
(Rotational Vibration Safeguard "RVS"), Drive Fitness Test enables drive self- cations and interfaces
employed to counteract the effects of rota- testing and analysis--for more robust Hitachi Ultrastar drives provide high data
tional vibration that commonly occur in system management. To help ensure throughput for data-intensive applica-
multi-drive cabinets. They also employ data protection, Hitachi Ultrastar drives tions with a choice of 2 Gbit Fibre
fifth-generation giant magnetoresistive include exclusive reporting tools, such Channel and Ultra320 SCSI (backward-
(GMR) head technology to double areal as Predictive Failure Analysis* (to signal compatible) interfaces. The Ultra320
density from previous generation drives potential drive problems) and Drive-TIP* SCSI adds greater speed, reduced over-
(26.3 Gbits/sq. in.) and boost perfor- (to monitor the drive temperature and head, improved diagnostic capabilities
mance. In addition, highly efficient No-ID* avoid malfunctions). and data protection.
Hitachi Ultrastar 146 Z10 specifications
Product name Ultrastar 146 Z10 Ultrastar 146 Z10
Model names IC35L018UWDY10*, IC35L018UCDY10** IC35L018F2DY10
IC35L036UWDY10* IC35L036UCDY10** IC35L036F2DY10
IC35L073UWDY10*, IC35L073UCDY10** IC35L073F2DY10 Hitachi Global Storage Technologies
IC35L146UWDY10*, IC35L146UCDY10** IC35L146F2DY10
* 68 pin interface, ** 80 pin interface
Configuration
Interface Ultra320 / Ultra1603 SCSI FC-AL-2
Capacity (GB)1 146.8/73.4/36.7/18.3 146.8/73.4/36.7/18.3
Sector size (bytes) 512-528 (variable, 2 byte inc.) 512-528 (8 byte inc)
Recording zones 15 15
Data heads (physical) 12/6/3/2 12/6/3/2
Data disks 6/3/2/1 6/3/2/1
Max. areal density (Mbits/sq. inch) 26,263 26,263
Max. recording density (BPI) 548,000 548,000
Track density (TPI) 47,900 47,900 For more information
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