Datasheet

Requires a second power supply upgrade for maximum drives.*
IBM TotalStorage DS300 at a glance
Model 1701-1RL 1701-1RS 1701-2RD
RAID controllers Single Single Dual
Controller upgrade No Yes Not applicable
RAID cache memory (per
controller)
256MB 256MB 256MB
Battery backup for cache No Yes Yes
Host interface Gigabit Ethernet, iSCSI Gigabit Ethernet, iSCSI Gigabit Ethernet, iSCSI
Host ports per controller 1 2 2
System Memory (min/max per
controller)
512MB 512MB/1GB 512MB/1GB
Drive interface Ultra320 SCSI Ultra320 SCSI Ultra320 SCSI
Number of drive bays 7/14 max* 14 14
Maximum storage capacity 4.2TB* 4.2TB 4.2TB
RAID levels 0, 1, 10, 5, 50 0, 1, 10, 5, 50 0, 1, 10, 5, 50
Power supplies and fans Single/optional dual redundant
design
Dual redundant design Dual redundant design
Rack support Industry-standard 19-inch rack Industry-standard 19-inch rack Industry-standard 19-inch rack
Form factor 3U 3U 3U