Table 1. Server specifications (continued)
Specification
Description
Memory
• Slots: 32 memory module slots
Supports up to 16 Intel
®
Optane
TM
Persistent Memory (PMEM) modules
• Supported memory module type:
– TruDDR4 3200, dual-rank, 16 GB/32 GB/64 GB RDIMM
– 128 GB/256 GB PMEM
• Minimum memory:
– 16 GB using RDIMMs
• Maximum memory:
– Without PMEMs:
– 2 TB using RDIMMs
– With PMEMs in Memory Mode:
– 5 TB using RDIMMs and PMEMs
Note: The operating speed and total memory capacity depend on the processor
model and UEFI settings.
For installation rules about memory modules, see “Memory module installation rules
and order” on page 87.
Operating systems
Supported and certified operating systems:
• Microsoft Windows Server
• Red Hat Enterprise Linux
• SUSE Linux Enterprise Server
• VMware ESXi
Internal drives
Front drive bays:
• Up to 12 x 3.5-inch SAS/SATA/NVME hot-swap drives
• Up to 24 x 2.5-inch SAS/SATA/NVME hot-swap drives (including 12 x 2.5-inch
NVME hot-swap drives)
Rear drive bays:
• Up to 4 x 2.5-inch SAS/SATA hot-swap drives
• Up to 4 x 2.5-inch NVME hot-swap drives
• Up to 4 x 3.5-inch SAS/SATA hot-swap drives
The server also supports up to two internal M.2 drives drives for OS boot or drive
storage:
Expansion slots
• Up to seven PCIe slots
• One OCP adapter slot
For locations of the PCIe and OCP slots, see “Rear view” on page 11.
2 HR650X V2 User Guide
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