PCIe slot
x16/x8/x8 PCIe G4 Riser 2/A/B/C 
HHHL
x16/x8/x8 PCIe G5 Riser 2/A/B/C 
HHHL
6
x16 (Gen4 x16) x16 (Gen5 x16)
7
x16 (Gen4 x8) x16 (Gen5 x8)
8
x16 (Gen4 x8) x16 (Gen4 x8)
3  PCIe riser C (PCIe slot 9-11)
Install PCIe adapters into these slots. See the following table for PCIe slots corresponding to the PCIe risers. 
PCIe slot
x16/x8/x8 PCIe G4 
Riser 2/A/B/C HHHL
x16/x8/Serial PCIe 
G4 Riser 2/C HHHL
x16/x8/x8 PCIe G5 
Riser 2/A/B/C HHHL
x16/x8/Serial PCIe 
G5 Riser 2/C HHHL
9
x16 (Gen4 x16) x16 (Gen4 x16) x16 (Gen5 x16) x16 (Gen5 x16)
10
x16 (Gen4 x8) x16 (Gen4 x8) x16 (Gen5 x8) x16 (Gen5 x8)
11
x16 (Gen4 x8) Serial port bay x16 (Gen4 x8) Serial port bay
4  PCIe riser D (PCIe slot 12-14)
Install PCIe adapters into these slots. See the following table for PCIe slots corresponding to the PCIe risers. 
PCIe slot x8/x16/x16 PCIe G4 Riser D HHHL x8/x16/x16 PCIe G5 Riser D HHHL
12
x16 (Gen4 x8) x16 (Gen5 x8)
13
x16 (Gen4 x16) x16 (Gen5 x16)
14
x16 (Gen4 x16) x16 (Gen4 x16)
5  Power supply units
Install power supply units to these bays, connect them to power cords. Make sure the power cords are 
connected properly. Following are the power supplies supported by this system:
•  CFFv4 
–  1100-watt Platinum, input power 115 Vac / 230 Vdc / 240 Vdc
–  1100-watt Titanium, input power 115 Vac / 230 Vdc/ 240 Vdc
–  1800-watt Platinum, input power 230 Vac / 240 Vdc
–  1800-watt Titanium, input power 230 Vac / 240 Vdc
–  2400-watt Platinum, input power 230 Vac / 240 Vdc
–  2600-watt Titanium, input power 230 Vac / 240 Vdc
•  CRPS (Chinese Mainland Only) 
–  1300-watt Platinum, input power 115 Vac / 230 Vac / 240 Vdc
–  2700-watt Platinum, input power 230 Vac / 240 Vdc
–  1600-watt, input power 336 Vdc
–  1600-watt, input power -48 Vdc
6  OCP slot 1
The OCP slot supports the following: 
•  OCP module with two or four extra Ethernet connectors for network connections. One of the Ethernet 
ports on the OCP module can also function as a management port with shared management capacity. If 
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ThinkSystem SR850 V3 System Configuration Guide