DuraStor 312R
The Adaptec DuraStor 312R Storage Enclosure, also known as JBOD (Just a Bunch Of Drives) is a fully redundant, enterprise-class, 2U Ultra160 SCSI disk array system, provides an optimized disk storage environment for applications such as streaming video, rich media, transaction processing, and digital pre-press.
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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

durastor standard service & support (html 70 kb)
durastor compatibility (html 68 kb)
durastor service location map (html 67 kb)
durastor service locations (html 108 kb)
durastor elite service offering (html 72 kb)
durastor service and support (html 69 kb)
Product Documentation
Adaptec Storage Manager Pro for DuraStor User's Guide (PDF 5 MB)
Adaptec Disk Array Administrator User's Guide (PDF 1 MB)
DuraStor Installation Guide (PDF 2 MB)
Use Your Product
fault tolerance levels (html 88 kb)
Network or Host Interface
Ultra160 SCSI (160MB/s) and Ultra2 SCSI (80MB/s)

Bus Configurations

User selectable single or dual bus

Number of SCSI channels

1 to host and 3 to drives or 2 to host and 3 to drives

System Architecture


Backplane Design

Passive single plane

Hot-Swap Components

Hard drives, power supplies, cooling fans, and AC power cords

Redundant Components

Hard drives, power supplies, cooling fans, and AC power cords

Error Notification

Audible alarm, status LEDs
SNMP traps, network messaging and remote paging


SAF-TE 1.0

Number of Drive Bays


Drive Types

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

Drive Capacity

18GB, 36GB, and 73GB (7.2 K, 10K and 15K RPM)

Maximum Cap/Enclosure

876GB (12 x 73GB)

Input Voltage

100-240 VAC (auto-sensing)

Input Current

3.0 Amperes (maximum)

Input Frequency

50-60 Hz

Power Source

Dual independent power supplies

Power Supply Rating

2-350 Watts

Maximum BTUs/hour

1,194 BTUs per enclosure


H-3.5 inches W-17.65 inches D-23.00 inches


39 lbs

Power Supply Unit

Model # ADA-220PSU

Cooling Fan Module

Model # ADA-320FAN