QXS and Cabinet Information 5
Cabinet Vertical Support Rails
The cabinet vertical support rails can contain square holes, round holes, or pre-tapped holes. Refer to 
the following documents for rackmount installation information: 
•
QX and QXS 12- and 24-Drive Rackmount Install Guide
 (Doc number: 6-68390-01)
•
QXS 48-Drive Rackmount Install Guide
 (Doc number: 6-68391-01)
•
QXS 56-Drive Rackmount Install Guide
 (Doc number: 6-68392-01)
Cabinet Configurations with Chassis and Drives
Table 3  provides the maximum number of chassis and maximum number of drives that can be 
installed within a standard 40U cabinet configuration.
NOTE: Configurations depend on customer requirements. Refer to QXS-3/4/6 Series Supported 
Configurations on page 5 for RAID chassis and expansion chassis maximum combinations.
Ta b le 3 Cabinet Configurations
QXS-3/4/6 Series Supported Configurations
Table 4  identifies the supported hybrid QXS supported configurations. Each system configuration 
(RAID chassis and expansion chassis) can only contain a specific number of chassis and drives.
Ta b le 4 Hybrid QXS Supported Configurations
Chassis Type Maximum Chassis in Cabinet Maximum Drives in Cabinet
QXS-312 or QXS-412
(2U, 12 drive)
20 240
QXS-324 or QXS-424 
(2U, 24 drive)
20 480
QXS-448 or QXS-648 
(2U, 48 drive)
20 960
QXS-456 or QXS-656 
(4U, 56 drives)
10 560
System Chassis Type RAID Chassis
Max Expansion 
Chassis Max Total Drives
QXS-3122U121348
QXS-3242U241396
QXS-4122U121796
QXS-424 2U24 1 7 192
QXS-448 2U48 1 3 192
QXS-456 4U56 
(4) & 2U12 (2)
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