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Table 1. Specifications, Type 7X18 and 7X19
Specification
Dimension
Weight (depending on the
configuration)
Processor (depending on
model)
Memory
Drive expansion
ThinkSystem SR850 Setup Guide
4
Description
2U server
• Height: 86.5 mm (3.4 inches)
• Width:
– With rack handles: 482 mm (19.0 inches)
– Without rack handles: 444.6 mm (17.5 inches)
• Depth: 763.7 mm (30.1 inches)
Note: The depth is measured with rack handles installed, but without the security bezel
installed.
27.0 kg (59.6 lb) in maximum.
Supports multi-core Intel Xeon processors, with integrated memory controller and Intel
Ultra Path Interconnect (UPI) architecture.
• Two processor sockets (expandable up to four) with minimal requirement of two
installed on the system board.
• Designed for LGA 3647 sockets
• Scalable up to 28 cores
• Supports Intel Extended Memory 32/64 Technology (EM32/64T)
See
"Memory module installation rules and order" on page 54
about memory configuration and setup.
• Minimum: 16 GB
• Maximum:
– RDIMM: 1.5 TB
– LRDIMM: 3 TB
– 3DS-RDIMM: 6 TB
– DC Persistent Memory (DCPMM): 12 TB in Memory Mode
• Memory module types:
– Double-data-rate 4 (TruDDR4) error correcting code (ECC) 2666/2933 MT/s
registered DIMM (RDIMM) or load reduced DIMM (LRDIMM)
– DC Persistent Memory (DCPMM)
• Capacity (depending on the model):
– 8 GB, 16 GB, 32 GB, and 64 GB RDIMM
– 64 GB LRDIMM
– 64 GB and 128 GB 3DS-RDIMM
– 128 GB, 256 GB, and 512 GB DCPMM
Note: DCPMM can be mixed with DRAM DIMMs with capacity of more than 16
GB. See
"DC Persistent Memory Module (DCPMM) setup" on page 76
information.
• Slots: 24 two-way interleaved slots (expandable to 48)
Note: List of supported memory module is different for 1st generation (Skylake) and
2nd generation (Cascade Lake) Intel Xeon processors. Make sure to install compatible
memory modules to avoid system error. For a list of supported DIMMs, see:
.
serverproven.lenovo.com/
Sixteen 2.5-inch drive bays:
• Eight 2.5-inch hot-swap SATA/SAS drive bays (bay 0-3, 8-11)
• Eight 2.5-inch hot-swap SATA/SAS/NVMe drive bays (bay 4-7, 12-15)
for detailed information
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