My AccountWhere To BuyDownloads Compatibility ReportsMy Account
DuraStor 7220SS
This storage subsystem includes a 1U RAID appliance with a single FC (Fibre Channel)-to-SCSI RAID controller and a 2U SCSI drive enclosure both with hot-swappable power supplies and fans. Supports RAID levels 0, 1, 0/1, 3, 4, 5, 0/5, and stores up to 3.5 TBytes of data using 73 GByte drives. Supports 1 or 2 GBit FC Arbitrated Loop (FC-AL), Point-to-Point, and Switch Fabric topologies.
Small Image of DuraStor 7220SS
DownloadsDocumentationTechnical Specifications

Note: Only drivers that are not included or embedded within a supported operating system are listed below. To see a complete list of supported operating systems see the Product Specifications

Select your operating system or software below

Bios Updates and Other Downloadable Files

Bios Updates and Other Downloads


Microsoft Windows 2000
Microsoft Windows NT


Sun Solaris

Network or Host Interface
Ultra160 SCSI

Hot-Swap and Redundant Components

RAID controllers, hard drives, power supplies, cooling fans, and AC power cords

Number of RAID Controllers

1 FC-SCSI (upgradable to 2)

SAF-TE Compliance

SAF-TE 1.0 Compliant

On-Board CPU

Pentium II 333 MHz, 32 KBytes L1 cache, 256 KBytes L2 cache on-chip

Host/Device Data Burst Rate

One or Two Gbit full duplex

Number of Host Channels

Four 2 Gbit FC Ports

Number of Device Channels

Four LVD Ultra160 SCSI

Bus Configurations

User selectable single or dual bus

Backplane Design

Passive single plane

Error Notification

SAF-TE 1.0
Audible alarm, status LEDs
SNMP traps, network messaging and remote paging

Number of Drive Bays

12 hot swappable

Drive Types

Low-profile (1-inch high) SCSI disk drives

Drive Capacity

18GB, 73GB (7.2 K, 10K and 15K RPM)

Maximum Capacity per Enclosure


Advanced RAID Features

Host independent active-active failover and failback
Write-back data cache memory bus, 800 MBytes/sec bandwidth
On-line capacity expansion (OCE)
Spare pooling and dedicated spares; array verification
Controller/drive hot-swap supported
Array status monitoring; adjustable stripe size; automatic sector re-mapping
User-settable priority for array reconstruct, verify, create, and expand operations
Arrays can be configured for RAID levels 0, 1, 3, 4, 5, 10, 50, JBOD
Up to 24 independent logical arrays per subsystem
Up to 64 partitions per controller

Input Voltage

100-240 VAC (auto-sensing)

Input Current

2.0/0.8 Amperes / 3.0 Amperes (maximum)

Input Frequency

50-60 Hz

Power Source

Dual 150 Watts Dual RAID Appliance 350 Watts Storage


H-5.20 inches; W-17.70 inches; D-24.50 inches


67 lbs with 2 controllers