Datasheet
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 (min/max
per controller)
256MB/256MB 256MB/1GB 256MB/1GB
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
Drive Interface Ultra320 SCSI Ultra320 SCSI Ultra320 SCSI
Number of Drive Bays 7 / 14 Max.* 14 14
Maximum Storage Capacity 2TB* 2TB 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
Requires a second power supply upgrade for maximum drives.*