Technical information

2.2.7 RA90 Disk Drive
The RA90 disk drive is a high-capacity fixed-disk drive that provides 1.2
gigabytes of formatted storage space. The
VAX 4000 Model 300 supports
these drives in separate storage expansion enclosures only.
Storage Capacity
User capacity
User capacity (blocks)
Ordering Information
RA90-NA
RA90-ND
BC26V-12
Performance
Average seek time
Average access time
Peak transfer rate
Physical Specifications
Height
Width
Depth
Weight
Configuration Information
Form factor
Related Documentation
EK-ORA90-SV
EK-0RA90-UG
1.2 gigabytes
2,376,153
RA90 disk drive (120 V)
RA90 disk drive (240 V)
Interconnect cable
with connector block
17.5 milliseconds
8.33 milliseconds
22.1 Mbitslsecond
26.6 em
(10.4 in)
23.0 em (8.7 in)
68.5 em (27.0 in)
13.6 kg (62 lb)
10.5-in high, full rack width
RA90 Disk Drive Service Guide
RA90 Disk Drive User's Guide
Option Specifications 2-11