Dell EMC ME4 Series Owner's Manual page 51

Item Enclosure component description
4 Chassis (sheet metal enclosure that is configurable as an RBOD or EBOD)
5 PCBs–midplane, sideplane, baseplanes (included with chassis; not available separately)
6 Power supply unit (PSU) available as AC module (chassis uses two PSUs of same model type)
7 Fan cooling module (FCM) (chassis uses five FCMs of same model type)
8 Expansion module for storage expansion I/O (used when chassis is configured as an EBOD)
a) 3-port 12Gb/s SBB expansion module
9 Controller module host interfaces for storage system (used when chassis is configured as an RBOD)
a) ME4 Series 4-port FC/iSCSI supports 16Gb/s FC and 10GbE iSCSI) qualified SFP options*
b) ME4 Series 4-port mini-SAS (12Gb/s) supports various qualified SFF-8644 to SFF-8644
c) ME4 Series 4-port iSCSI 10Gbase-T (10Gb/s or 1Gb/s)
10 Small form-pluggable SFP connectors
a) SFP transceiver: 16Gb/s FC and 10GbE iSCSI
11 Rail kit (variable attachment options)
a) 5U rack mount kit, shelf, short, all HW
12 Cable kit [Cable package: standard HD mini-SAS (SFF-8644) to HD mini-SAS (SFF-8644)]
Cable kit [Cable package: 3.5mm; CLI
11 AC power cord compatible with AC PCM (each PSU uses a power cord)
*ME4 Series models support FC and iSCSI SFPs used in combination.
NOTE: SBB IOMs used in ME4 Series storage enclosures
modules used in 5U 84-drive ME4 Series enclosures. Modules are shown oriented for insertion into IOM slots located on the 2U
enclosure rear panel. This orientation also applies to both IOM slots in 5U84 enclosures.
shows pictorial representations of controller modules and expansion
Troubleshooting and problem solving 51