RZ25L 3.5-Inch, 535 Mbyte Drive

HIGHLIGHTS

o  High-performance SCSI-2 disk drive with single spindle, at low cost  

o  100 Mbytes greater capacity, improved performance over RZ25 drive in 
   1-inch format

PRODUCT DESCRIPTION

The RZ25L device is a 1-inch-high SCSI-2 hard disk drive that provides a 
low-cost, high-performance replacement to the RZ25 and RZ56 drives.  The 
RZ25L drive provides four times the cache of the RZ25 product, faster 
average access time, and superior bandwidth for workstation applications. It 
features 535 Mbytes of capacity and a 3.5-inch form factor.

Disk Drive Comparison

			       RZ25	 RZ25L	   RZ26
Form Factor 		       3.5"	 3.5"	   3.5"
Height 			       1.625"  	 1" 	   1.625"
Capacity (MBF)		       426	 535	   1050
Average seek (MS)	       14	 10.5	   9.5
Access time (MS)	       20	 16	   15.1
Buffer size (KB)	       60	 240	   512
Rotational speed (RPM)	       4412	 5400	   5400
Transfer rate:
 To/from media (MB/second)     3.1   	 2.6-4.4   3.3
 Max Bus Bandwidth(MB/second)  4.0	 10.0	   10.0
Power (seeking), in Watts      12 	 10.3 	   13.7

AVAILABILITY AND ORDERING

The RZ25L disk drive is available now.

Order No.        Description

RZ25L-*		 3.5-inch, 535 Mbyte disk drive

TECHNICAL DATA

Hardware Support: 

o  VAXstation 4000 Models 60 and 90
o  VAXstation 4000 VLC
o  DECstation 5000 Models 125 and 133
o  DECstation 5000 Models 20, 25, 33, and 50
o  DECsystem  5000 Model 25
o  DECsystem 5000 Model 133
o  applicationDEC 433MP
o  DEC 3000 Models 300 and 300L
o  DEC 3000 Models 400 and 400S
o  DEC 3000 Models 500 and 500S

Software Support:

o  OpenVMS VAX V5.5-2
o  OpenVMS AXP V1.5
o  OSF AXP V1.2
o  ULTRIX V4.3A