Lenovo 7D31, Maintenance Manual

Page: 10 / 274

Specifications
The following information is a summary of the features and specifications of the server. Depending on the
model, some features might not be available, or some specifications might not apply.
Table 1. Specifications, Type 7D31 and 7D32
Specification Description
Dimension 2U server
• Height: 86.5 mm (3.4 inches)
• Width:
– With rack handles: 482 mm (19.0 inches)
– Without rack handles: 434.4 mm (17.1 inches)
• Depth: 880.2 mm (34.7 inches)
Note:
The depth is measured with rack handles installed, but without the security bezel.
Weight (depending on the
configuration) 40 kg (88.2 lb) in maximum
Processor (depending on
model) Supports multi-core Intel Xeon processors, with integrated memory controller and Intel
Mesh UPI (Ultra Path Interconnect) topology.
• Two processor sockets (expandable up to four) with minimal requirement of two
installed on the system board.
• Designed for LGA 4189 sockets
• Scalable up to 28 cores
• Supports 6 UPI links at 10.4 GT/s
Memory • Capacity
– Minimum: 16 GB
– Maximum:
– RDIMM: 3 TB
– 3DS-RDIMM: 6 TB
• Memory module types:
– Double-data-rate 4 (TruDDR4) error correcting code (ECC) 3200 MT/s registered
DIMM (RDIMM) or 3DS RDIMM
– Persistent Memory (PMEM)
• Capacity (depending on the model):
– RDIMM: 8 GB, 16 GB, 32 GB, and 64 GB
– 3DS-RDIMM: 128 GB
– PMEM: 128 GB, 256 GB, and 512 GB
Note:
PMEMs can be mixed with DRAM DIMMs with capacity of more than 16
GB. See “PMEM rules” in
Setup Guide
for more information.
• Slots: 24 two-way interleaved slots (expandable to 48)
For a list of supported memory modules, see
https://static.lenovo.com/us/en/
serverproven/index.shtml
.
Storage expansion
• Twenty-four 2.5-inch drive bays support SAS/SATA/NVMe drives.
• Two 7mm drive bays support SAS/SATA/NVMe drives.
Notes:
When the following components are installed in the system, bay 16 to 23 are
disabled, and the maximal supported drive quantity is 16.
– PMEMs
– 256 GB 3DS DRIMMs
2
ThinkSystem SR850 V2 Maintenance Manual