NEC Exress5800 Series User Manual page 124

Chapter 2 Preparations
Using the optional RAID controller in 26x 2.5-inch drive models (1 to 26 HDDs)
HDD Backplane
Expander Card
SAS cable
SGPIO cable
LED cable
124
RAID Controller
(PORTS_4-7)
Express5800/R120g-2E User's Guide
1. Installing Internal Optional Devices
RAID Controller
Motherboard
(PORTS_0-3)
(SGPIO)
Backplane for
Additional HDD Cage (Rear)