– 2 CPUs: PCIe slot 1, 4, 2, 5, 7, 8
• Broadcom 57454 10/25GbE SFP28 4-port PCIe Ethernet Adapter_Refresh
– 1 CPU: PCIe slot 2, 3, 1
– 2 CPUs: PCIe slot 2, 5, 3, 6, 7, 8, 1, 4
• Mellanox ConnectX-6 Lx 100GbE QSFP28 2-port PCIe Ethernet Adapter:
– 1 CPU: PCIe slot 1, 2, 3
– 2 CPUs: PCIe slot 1, 4, 2, 5, 3, 6, 7, 8
6. If one of the below Infiniband adapters are installed:
• Primary adapter: Mellanox ConnectX-6 HDR IB/200GbE Single Port x16 PCIe Adapter, up to 3
adapters, can be installed independently.
• Secondary adapter: Mellanox HDR Auxiliary x16 PCIe 3.0 Connection Card Kit, up to 3 adapters,
must be installed with the primary adapter.
– If use one primary adapter and one secondary adapter, install the primary adapter on PCIe slot 1 or
2, and install the secondary adapter on PCIe slot 4 or 5.
– If use two primary adapters and two secondary adapters, install the primary adapters on PCIe slots
1 and 2, and install the secondary adapters on PCIe slots 4 and 5.
– If use three primary adapters and three secondary adapters, install the primary adapters on PCIe
slots 1, 2, and 7, and install the secondary adapters on PCIe slots 4, 5, and 8.
– If use the primary adapters only, install the secondary adapters on PCIe slots 1, 2, and 7.
Attention:
– When the primary adapter is used with active optical cables (AOC) in the 12 x 3.5-inch or 24 x 2.5-
inch configuration, follow “Thermal rules” on page 192 and ensure that the ambient temperature
must be limited to 30°C or lower. This configuration might lead to high acoustic noise and is
recommended to be placed in industrial data center, not office environment.
– When both the primary adapter and GPU adapters are used at the same time, follow the thermal
rules for GPU adapters. For detailed information, see “Server models with GPUs” on page 195.
Thermal rules
This topic provides thermal rules for the server.
• “Server models with front drive bays only” on page 192
• “Server models with middle/rear drive bays” on page 194
• “Server models with GPUs” on page 195
Server models with front drive bays only
This section provides thermal information for server models with front drive bays only.
Front bays
CPU TDP*
(watts)
Max.
Ambient
Temp. (at
sea level)
Heat sink Air baffle Fan type Max. PMEM
Qty.
• 8 x 2.5"
• 16 x 2.5"
• 8 x 3.5"
<= 205
45°C Standard 2U Standard Standard
16
220–240
35°C Standard 2U Standard Standard
16
250–270
30°C Performance
(T-shape)
Standard Performance 16
192 ThinkSystem SR650 V2Maintenance Manual
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