User`s guide

Chapter 3: About Your RAID Controller ● 19
About the Adaptec 4000SAS
The Adaptec 4000SAS is a low-profile SAS Zero Channel RAID controller with these features:
Bus compatibility PCI-X
Maximum bus width 64-bit
Maximum bus speed 133 MHz
Standard cache 128 MB
Maximum number of disk drives 8
Audible alarm No
Mounting bracket
PCI-X connector
I2C connector
LED connector
Mode 0 Flash connector