Lenovo ThinkSystem SR665 V3 User Manual page 66

– For server models with a 4 x 3.5-inch rear drive cage or a GPU installed, a low-profile 7mm drive cage
can be installed only on slot 6.
– For server models with a 4 x 2.5-inch rear drive cage, no 7mm drive cage is supported.
• Serial port module installation rules:
– For server models with 8 PCIe slots, 10 PCIe slots, or a 4 x 2.5-inch rear drive cage:
– If both riser 1 and riser 2 use the x16/x16/E riser card and a 7mm drive cage is installed on slot 6, a
serial port module can be installed on slot 3. If no 7mm drive cage is installed, a serial port module
can be installed on slot 6.
– If riser 1 uses the x16/x16/E riser card but riser 2 is not installed or not the x16/x16/E riser card, a
serial port module can be installed on slot 3 when no 7mm drive cage is installed.
– If riser 1 does not use the x16/x16/E riser card but riser 2 uses the x16/x16/E riser card, a serial port
module can be installed on slot 6 when no 7mm drive cage is installed.
– If both riser 1 and riser 2 do not use the x16/x16/E riser card, no serial port module is supported.
– For server models with an 8 x 2.5-inch/2 x 3.5-inch rear drive cage:
– If riser 1 uses the x16/x16/E riser card, a serial port module can be installed on slot 3 and a 7mm
SSD cage can be installed on slot 6.
– If riser 1 does not use the x16/x16/E riser card, a 7mm drive cage and a serial port module cannot be
installed at the same time. If no 7mm drive cage is installed, a serial port module can be installed on
slot 6.
– For server models with a 4 x 3.5-inch rear drive cage, a 7mm drive cage and a serial port module
cannot be installed at the same time. If no 7mm drive cage is installed, a serial port module can be
installed on slot 6.
– For server models with a double-wide GPU, the serial port module can be installed only on slot 6 when
no 7mm drive cage is installed.
Supported PCIe adapters and slot priorities
The following table lists the recommended slot installation priority for common PCIe adapters.
PCIe adapter
note1 on page 58
GPU adapter
FHFL double-wide GPU
HHHL single-wide GPU
PCIe Retimer card
ThinkSystem x16 Gen 4.0 Re-timer adapter
(for 4x NVMe)
Internal custom form factor (CFF) RAID/HBA/Expander
5350-8i, 9350-8i, 9350-16i
440-16i, 940-16i
ThinkSystem 48 port 12Gb Internal Expander
ThinkSystem SR665 V3 User Guide
56
Maximum Suggested slot priority
supported
• 1 CPU: 2
3
• 2 CPUs: 5, 2, 7
• 1 CPU: 1, 2, 3
8
• 2 CPUs: 4, 5, 1, 2, 7, 8, 6, 3
• 1 CPU: 1, 2, 3
3
• 2 CPUs: 1, 2, 4, 5, 3
Not installed in PCIe slots.
The CFF RAID/HBA/Expander adapter is
1
supported only in the 2.5-inch drive bay
chassis, which is installed between the front
backplane and the system board assembly.