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Lenovo ThinkSystem SR950 - Four-Socket Performance; Storage Rich

Lenovo ThinkSystem SR950
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Table 7. Location of ten supported PCIe slots (viewed from the rear) (continued)
PCIe 2
2
(P4)
PCIe 3 (P4)
PCIe 4 (P4)
PCIe 5 PCIe 6 PCIe 7 PCIe 8
(ML2)
PCIe 9
(LOM)
PCIe
17
Four-socket performance, four processors
This configuration comes with four processors, requires at least two 1100/1600-watt PSUs, and supports up
to:
48 memory modules.
15 rear PCIe slots.
See the following tables for the location of the supported components.
Table 8. Location of the four processors and 48 supported memory module slots (viewed from the front)
Upper tray filler
CPU 3 and DIMM 25-36 CPU 4 and DIMM 37-48
CPU 1 and DIMM 1-12 CPU 2 and DIMM 13-24
Table 9. Location of the 15 supported PCIe slots (viewed from the rear)
PCIe 1
2
PCIe 10
2
PCIe
16
PCIe 2
2
PCIe 11
2
PCIe 3 PCIe 12
PCIe 4 PCIe 13
PCIe 5 PCIe 6 PCIe 7 PCIe 8
(ML2)
PCIe 9
(LOM)
PCIe
17
Four-socket performance / storage rich
These configurations meet the expectations of high-performance and low costs, while support up to 24
drives and 13 rear PCIe slots.
The four-socket performance / storage configurations support two to four processors with the following
requirements/capabilities:
Fan 1 to 6, 7, 9, and 11 are required to be installed.
The upper storage tray is installed in the upper tray slot.
Up to 24 drives are supported.
See the following for the support variations depending on number of processors that are installed:
Chapter 1. Introduction 13
2. This slot is blank if a 2 x16 riser is installed.

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