Drives
Specifications
NOTE:
NVMe is not supported in the slots 0 to 1.
Quad processor sled
NVMe drives are supported in the slots 0 to 5.
Ports and connectors specifications
USB ports
The PowerEdge MX840c sled supports:
•
One USB 3.0-compliant port on the front of the sled
•
One USB 3.0-compliant port internal port
•
One USB 2.0-compliant management port to iDRAC on the front of the sled
•
One port for IDSDM (USB 3.0 + USB 2.0 for Cypress solution)
Internal Dual SD Module
The PowerEdge MX840c sled supports optional Internal Dual SD module (IDSDM). The IDSDM module is placed in the front of the sled, in
a Dell-proprietary slot. The IDSDM module supports two MicroSD cards. The MicroSD cards capacity for IDSDM are 16, 32, 64 GB.
The IDSDM module is available with single MicroSD card in either slot or in redundant mode with two MicroSD cards installed.
NOTE:
The dip switch is on the IDSDM module for write-protection.
NOTE:
One IDSDM card slot is dedicated for redundancy.
NOTE:
It is recommended to use Dell branded MicroSD cards associated with the IDSDM configured systems.
PERC controller cards
The PowerEdge MX840c sled supports PERC9/10 solutions. The PERC provides a base RAID hardware controller without a PCIe slot by
using small form factor and high density connector to the system board.
Table 23. Supported PERC controllers
Performance Level
Controller and Description
Entry
S140 (SATA, NVMe)
SW RAID SATA
Value
HBA330 (non-RAID)
Fury IOC
Memory: None
x8 12 Gb SAS
x8 PCIe 3.0/2.0
Value Performance
H730P (Internal)
Technical specifications
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