Lenovo ThinkSystem SR650 Series Setup Manual page 11

Table 1. Server specifications (continued)
Specification
Internal drives
Description
• Maximum:
– 1.5 TB using RDIMMs
– 3 TB using 3DS RDIMMs
– 6 TB using DC Persistent Memory Module (DCPMM) and RDIMMs/3DS
RDIMMs in Memory Mode
• Type (depending on the model):
– TruDDR4 2666, single-rank or dual-rank, 16 GB/32 GB RDIMM
– TruDDR4 2933, single-rank or dual-rank, 8 GB/16 GB/32 GB/64 GB RDIMM
– TruDDR4 2666, quad-rank, 64 GB 3DS RDIMM
– TruDDR4 2933, quad-rank, 128 GB 3DS RDIMM
– 128 GB/256 GB/512 GB DCPMM
DCPMM installation rules:
• DCPMMs are not supported if any GPU is installed.
• DCPMMs only support the following server models: eight 3.5-inch-drive bays,
eight 2.5-inch-drive bays, or sixteen 2.5- inch-drive bays. The 256 GB and 512 GB
DCPMMs only support server model with eight 2.5-inch-drive bays.
• If the processors with TDP equal to 200 watts or 205 watts are installed, DCPMMs
are supported only when the following requirements are met:
– Two power supplies are installed.
– For server models with sixteen 2.5-inch and eight 3.5-inch drive bays, the
operating temperature is equal to or less than 30°C.
– No Mellanox ConnectX-6, Innova-2 FPGA, or PCIe NVMe add-in-card (AIC)
installed.
Notes:
• Operating speed and total memory capacity depend on the processor model and
UEFI settings.
• For a list of supported memory modules, see:
https://static.lenovo.com/us/en/serverproven/index.shtml
The supported drives vary by models.
• Up to eight 3.5-inch hot-swap SAS/SATA drives
• Up to twelve 3.5-inch hot-swap SAS/SATA drives
• Up to twelve 3.5-inch hot-swap SAS/SATA/NVMe drives (NVMe drives are
supported only in drive bays 8–11)
• Up to eight 2.5-inch hot-swap SAS/SATA drives
• Up to eight 2.5-inch hot-swap SAS/SATA/NVMe drives (NVMe drives are
supported only in drive bays 4–7)
• Up to sixteen 2.5-inch hot-swap SAS/SATA drives
• Up to sixteen 2.5-inch hot-swap SAS/SATA/NVMe drives (NVMe drives are
supported in drive bays 4–7 and bays 12–15)
• Up to sixteen 2.5-inch NVMe drives (NVMe drives are supported in drive bays 0–
15)
• Up to sixteen 2.5-inch NVMe drives with eight SAS/SATA drives (NVMe drives are
supported in drive bays 0–15)
• Up to twenty 2.5-inch NVMe drives (NVMe drives are supported in drive bays 0–
19)
• Up to twenty-four 2.5-inch hot-swap SAS/SATA drives
. 7
Chapter 1 Introduction