Table 44. Expansion card riser configurations
Expansion card
riser
PCIe slots on the
riser
Processor
connection
Height
Length
Slot width
Riser 1A
Slot 2
Processor 1
Low Profile
Half Length
x16
Riser 2
Slot 3
Processor 1
Low Profile
Half Length
x16
NOTE:
The expansion-card slots are not hot-swappable.
The following table provides guidelines for installing expansion cards to ensure proper cooling and mechanical fit. The expansion
cards with the highest priority should be installed first using the slot priority indicated. All the other expansion cards should be
installed in the card priority and slot priority order.
Table 45. Riser configuration
Card type
Slot priority Riser height Maximum number
of cards supported
Card length
Card height
Maximum
PCIe width
supported
LOM riser
: 2x 25 Gb
1
NONE
1
HL
NONE
x8
LOM riser: 2x 10 Gb
(10GBASE-T/SFP+)
1
NONE
1
HL
NONE
x8
BOSS M.2 (SATA)
2
LP
2
HL
LP
x8
10 Gb NIC
3
LP
1
HL
LP
x8
25 Gb NIC
3
LP
1
HL
LP
x8
PERC9+ Mini
Integrated
slot
LP
1
HL
LP
x8
a.
See the
for detailed information on supported expansion cards.
b.
The LOM mezzanine riser contains the OCP network card.
Replacing and adding hardware
37