1. Installing Internal Optional Devices
Express5800/R120g-2E User's Guide
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Chapter 2 Preparations
Using the optional RAID controller in 26x 2.5-inch drive models (1 to 26 HDDs)
RAID Controller
(PORTS_4-7)
SAS cable
SGPIO cable
HDD Backplane
Expander Card
LED cable
RAID Controller
(PORTS_0-3)
Motherboard
(SGPIO)
Backplane for
Additional HDD Cage (Rear)