Lenovo ThinkSystem SR645 - System setup and configuration; Server specifications and support; Storage and networking capabilities; Dimensions and weight

First Edition (June 2020)
© Copyright Lenovo 2020.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software
is delivered pursuant to a General Services Administration (GSA)
contract, use, reproduction, or disclosure is subject to restrictions set
forth in Contract No. GS‐35F‐05925.
Setting up the system
1. Install the required server components.
2. Install the server into the rack.
3. Connect the server to power.
4. Connect the server to the network.
5. Turn on the server.
6. Configure the server.
For detailed information about installing hardware options and
configuring the server, see the following Web site:
http://thinksystem.lenovofiles.com/help/topic/7d2x/introduction.html
Technical specifications
Dimensions and weight
 Height: 43.0 mm (1.7 inches)
 Width:
 With rack latches: 481.7 mm (19.0 inches)
 Without rack latches: 445.0 mm (17.5 inches)
 Depth: 771.8 mm (30.4 inches)
Note: The depth is measured with rack latches installed, but
without the security bezel installed.
 Weight: up to 20.2 kg (44.6 lb)
Processor
Supports (depending on the model):
 Two AMD
®
EPYC
TM
processors
 Designed for Land Grid Array (LGA) 4094 (SP3) socket
 Scalable up to 64 cores
For a list of supported processors, see the Lenovo ServerProven
Web site:
https://static.lenovo.com/us/en/serverproven/index.shtml
Memory
 Slots: 32 DIMM slots
 Minimum: 16 GB
 Maximum: 4 TB
 Type (depending on the model):
 TruDDR4 3200, dual-rank, 16 GB RDIMM
 TruDDR4 3200, dual-rank, 32 GB RDIMM
 TruDDR4 3200, dual-rank, 64 GB RDIMM
 TruDDR4 3200, dual-rank, 128 GB 3DS RDIMM
Note: Operating speed and total memory capacity depend on the
processor model and UEFI settings.
Storage
Supports (depending on the model and installed drive backplanes):
 Front bays:
 Up to 10 x 2.5-inch SAS/SATA/NVMe drives
 Up to 4 x 3.5-inch SAS/SATA/NVMe drives
 Rear bays:
 Up to 2 x 2.5-inch SAS/SATA/NVMe drives
 Up to 2 x 7mm drives
 Up to two internal M.2 drives
Networking
 One XClarity Controller network connector
 Ethernet connectors on OCP 3.0 Ethernet adapter
Where to go for support
Link
QR Code
Lenovo Press
(Product guides and white
papers)
https://lenovopress.com/
Lenovo ThinkSystem forum
https://forums.lenovo.com/t5/Data
center-Systems/ct-p/sv_eg
Lenovo Support – SR645
(including drivers and software)
https://datacentersupport.lenovo.
com/us/en/products/servers/think
system/sr645/7d2x
Lenovo Product Security
Advisories
https://support.lenovo.com/us/en/
product_security/home
Lenovo ServerProven
(Compatibility information)
http://www.lenovo.com/us/en/serv
erproven/