Table 1. Specifications (continued)
Specification
Description
M.2 drive
Supports up to two M.2 drives: 
•  42 mm (2242)
•  60 mm (2260)
•  80 mm (2280)
•  110 mm (22110)
Expansion slots
Nine PCIe expansion slots are available: 
•  Slot 1: PCIe4 x16, 75W, Full-height, half-length
•  Slot 2: PCIe4 x8 (open end), 75W, Full-height, half-length
•  Slot 3: PCIe4 x16, 75W, Full-height, half-length
•  Slot 4: PCIe4 x8 (open end), 75W, Full-height, half-length
•  Slot 5: PCIe4 x16, 75W, Full-height, half-length
•  Slot 6: PCIe4 x8 (open end), 75W, Full-height, half-length
•  Slot 7: PCIe4 x16, 75W, Full-height, half-length
•  Slot 8: PCIe3 x8 (open end), 75W, Full-height, half-length (requires additional cable 
connection, see “PCIe slot 8 cable routing” on page 52)
•  Slot 9: PCIe4 x8 (open end), 75W, Full-height, half-length
Notes: When Slot 8 is used: 
•  Up to 6 NVMe drives can be supported in 3.5-inch configurations with two NVMe/ 
AnyBay backplanes.
•  Up to 14 NVMe drives can be supported in 2.5-inch configurations with two NVMe/ 
AnyBay backplanes.
•  3.5-inch configurations with two NVMe/AnyBay backplanes and no NVMe Retimer 
Adapter or one NVMe Retimer Adapter is not supported.
•  2.5-inch configurations with two NVMe/AnyBay backplanes and two NVMe Retimer 
Adapters or three NVMe Retimer Adapters are not supported.
Onboard NVMe 
connectors
Four onboard NVMe connectors are available: 
•  PCIe 1: Gen3
•  PCIe 2: Gen3
•  PCIe 3: Gen4
•  PCIe 4: Gen4 when connected to backplane, Gen3 when connected to PCIe slot 8 
enable connector.
Input/Output (I/O) 
features
•  Front panel
–  One USB 2.0 connector with Lenovo XClarity Controller management
–  One USB 3.2 Gen 1 connector
•  Rear panel
–  One External LCD diagnostics handset connector
–  Four USB 3.2 Gen 1 connectors
–  Two 10Gb Ethernet connectors
–  One VGA connector
–  One serial-port-module slot
–  One XClarity Controller network connector (RJ-45 Ethernet connector)
Network 
•  Two 10Gb ethernet connectors
•  One XClarity Controller network connector (RJ-45 Ethernet connector)
Notes: 
•  Use CAT6A UTP cables rated at 625 MHz bandwidth for the 10Gb on-board LAN.
•  Wake-on-LAN (WoL) is not supported on 10Gb ethernet connector under Windows 
OS.
Chapter 1. Introduction 3