Owners Manual

Table 5. Expansion card riser specifications
Riser
configuration
and supported
risers
Slot
description
PCIe slots on
riser 1 (Height
and length)
Processo
r
connectio
n
PCIe slots
on riser 2
(Height
and length)
Processor
connection
PCIe slots
on riser 3
(Height and
length)
Processor
connection
Riser
configuration 0
with or without
rear storage (No
riser)
No PCIe slots
(only rear
storage)
N/A N/A N/A N/A N/A N/A
Riser
configuration 1
with or without
rear storage
(1B+2 B)
Four x8 slots
and rear
storage
Slot 1: x8 full-
height, full
length
Processor
1
Slot 4: x8
low profile,
half length
Processor 1 N/A N/A
Slot 2: x8 full-
height, full
length
Processor
1
Slot 3: x8 full-
height, half
length
Processor
1
Riser
configuration 2
with or without
rear storage
(1B+2C)
Three x8 and
one x16 slots
and rear
storage
Slot 1: x8 full-
height, full
length
Processor
1
Slot 4: x16
low profile,
half length
Processor 2 N/A N/A
Slot 2: x8 full-
height, full
length
Processor
1
Slot 3: x8 full-
height, half
length
Processor
1
Riser
configuration 3
(1A+2A)
Two x8 and
three x16
slots
Slot 1: x16 full-
height, full
length
Processor
1
Slot 4: x16
full-height,
full length
Processor 2
N/A N/A
N/A N/A Slot 5: x8
full-height,
full length
Processor 2
Slot 3: x16 full-
height, half
length
Processor
1
Slot 6: x8
low profile,
half length
Processor 1
Riser
configuration 4
(1A+2A+3A)
Three x8 and
four x16 slots
Slot 1: x16 full-
height, full
length
Processor
1
Slot 4: x16
full-height,
full length
Processor 2 Slot 7: x8
full-height,
full length
Processor 2
N/A N/A Slot 5: x8
full-height,
full length
Processor 2 Slot 8: x16
full-height,
full length
Processor 2
Slot 3: x16 full-
height, half
length
Processor
1
Slot 6: x8
low profile,
half length
Processor 1
Riser
configuration 15
(1A+2E+3B)
Three x8 and
four x16 slots
Slot 1: x16 full-
height, full
length
Processor
1
Slot 4: x16
full-height,
full length
Processor 2 Slot 7: x8
full-height,
full length
Processor 2
N/A N/A Slot 5: x8
full-height,
full length
Processor 2 Slot 8: x16
full-height,
full length
Processor 2
8 Technical specifications