1. Installing Internal Optional Devices
Express5800/R120g-2E User's Guide
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Chapter 2 Preparations
Using the optional RAID controller in 3.5-inch drive models (1 to 14 HDDs)
Optional RAID controller
HDD backplane
Hard disk drive
PORTS_0-3 SAS0-3
Ports 0 to 11
PORTS_4-7 SAS4-7
HDD backplane
HDD backplane
(rear)
Hard disk drive
REAR_A-B SASA_SASB
Port 12
Port 13
RAID Controller
(PORTS_4-7)
SAS cable
SGPIO cable
LED cable
RAID Controller
(PORTS_0-3)
Motherboard
(SGPIO)
Backplane for
Additional HDD Cage (Rear)
HDD Backplane