Chapter 3: About Your RAID Controller ● 25
About the Adaptec 2420SA
The Adaptec 2420SA is a SATA RAID controller with these features:
Note: A low-profile bracket is included with this controller. However,
this controller may not fit in all low-profile systems.
Bus compatibility PCI-X, 3.3 V
Bus width 64-bit
Bus speed 133 MHz
Standard cache 128 MB
Maximum number of disk drives 4
SATA cables included 4
Battery backup module Adaptec Battery Module 500
(sold separately—see page 21)
Audible alarm Yes
Mounting bracket
Mode 0 Flash
connector
Activity LED connector
I2C connector
SATA ports
0
1
3
2
PCI-X connector
Battery connector
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