Technical information

2.2.5 RA81 Disk Drive
The RA8l disk drive is a high-capacity fixed-disk drive that provides 456
Mbytes
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
RA81-HA
RA8l-HD
RQA8l-AA
RQA81-AD
BC26V-6D
Performance
Average seek time
Average rotational latency
Average access time
Peak transfer rate
Physical Specifications
Height
Width
Depth
Weight
Configuration Information
Form. factor
456
Mbytes
891,070
RA8l disk drive (120 V)
RA8l disk drive (240 V)
RA8l disk drive (120 V) with KDA50 controller
and BC26V-06 cable
RA8l disk drive (240 V) with KDA50 controller
and BC26V-6D cable
Interconnect cable with connector block
28.00 milliseconds
8.32 milliseconds
36.30 milliseconds
17.4 Mbitslsecond
26.3 em
(10.38 in)
44.5 em (17.5 in)
67.3 em (26.5 in)
61.2 kg (135 Ib)
10.5-in
high, full rack width
2-8 VAX 4000 Model 300 Technical Information