Lenovo ThinkSystem SR645 V3 Rack Server

  • Two 4th Gen AMD EPYC™ Series processors
  • Up to 24x TruDDR5 DIMMs at 1DPC
  • Up to 3x PCIe 4.0 slots + 2x PCIe 5.0 slots for I/O flexibility
  • Up to 4x single-width GPUs for graphics-intensive workloads
  • Up to 16x EDSFF drives for high performance storage
Categories: ,


Performance without compromise

You need a server which can handle the modern workloads of today and be agile enough to meet the challenges of tomorrow. With increased core density in the 4th Generation AMD EPYC processor and PCIe 5.0 memory speed, the 1U ThinkSystem SR645 V3 has the power, bandwidth, and memory to tackle virtualization, data analytics, and graphics intensive workloads.

With protection provided by Lenovo ThinkShield security and the simplified management from Lenovo’s XClarity, the SR645 V3 embodies Lenovo’s reputation for top reliability.

Designed for flexibility

Your data needs are unique to your business, and you need an infrastructure that has the flexibility to be customized.

With the SR645 V3, you can choose the drive options from SAS/SATA, NVMe, and EDSFF in a hot swappable AnyBay™ format for quick customization. You can choose between PCIe 4.0 and 5.0 to meet the speed and budgetary goals for your infrastructure and select the best GPU option for your workloads.

Easy Management and Secure

The ThinkSystem SR645 V3 utilizes Lenovo XClarity for an easy-to-use system management solution. XClarity enables a data-driven, centralized view of data center operations and it monitors for unexpected adds and changes.

ThinkShield security Root of Trust provides security which begins during the design phase and follows the SR645 V3 throughout its entire life cycle.

Form Factor

1U rack server


Up to 2x 4th Generation AMD EPYC™ Processors


Up to 24x TruDDR5 memory slots
Maximum 6TB with support for 3DS RDIMMs; up to 1DPC at 4800MHz

Drive Bays

Up to 4x 3.5”, 12x 2.5” drives, or 16x EDSFF drives

Expansion Slots

Up to 3x PCIe 4.0, 2x PCIe 5.0 slots
1x OCP 3.0 adapter slot


Up to 4x single-width GPUs

Network Interface

OCP 3.0 mezz adapter, PCIe adapters


Dual Redundant AC & DC Supplies with Titanium/Platinum for ErP Lot9 Compliance


Front: 1x USB 3.1 G1, 1x USB 2.0 with XCC connection for mobile device, 1x VGA (optional), Optional external Diagnostic Port
Rear: 3x USB 3.1 G1, 1x VGA Port, 1x Serial port (optional), System ID LED, Error LED, NMI Button

Systems Management

Lenovo XClarity Controller

OS Support

Microsoft Windows Server, SUSE Linux Enterprise Server, Red Hat Enterprise Linux, VMware ESXi

Limited Warranty

1- and 3-year customer replaceable unit and onsite services, next business day 9×5; optional service upgrades


There are no reviews yet.

Be the first to review “Lenovo ThinkSystem SR645 V3 Rack Server”

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.