
Versatile 1U for Complex Workloads
ThinkSystem SR645 V3 Rack Server
Starting at
$3,793.54
Two 4th or 5th Generation 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

Performance Without Compromise
You need a server that can handle the modern workloads of today and be agile enough to meet the challenges of tomorrow. With increased core density in the 5th Generation AMD EPYC™ processor andlighting-fast memory speed, the SR645 V3 has the power, bandwidth, and memory to tackle virtualization, data analytics, and high-performance computing.
With protection provided by Lenovo ThinkShield security and 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 is easily scaleable.
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 also 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 uses Lenovo XClarity for an easy-to-use system management solution. XClarity enables a data-driven, centralized view of data center operations and monitors for unexpected adds and changes.
ThinkShield security Root of Trust provides security that begins during the design phase and follows the SR645 V3 throughout its entire life cycle.
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ThinkSystem SR645 V3Price Match GuaranteeFeaturesForm Factor: 1U rack
Processor: Up to 2x 4th or 5th Generation AMD EPYC™ Processors
GPU Support: Up to 4x single-width GPUs for graphics-intensive workloads
Memory: Up to 24x TruDDR5 RDIMM slots
Drive Bays: Up to 4x 3.5”, 12x 2.5” drives, or 16x EDSFF drives for high performance storage
Expansion Slots: Up to 3x PCIe 4.0 + 2x PCIe 5.0 slots, 1x OCP 3.0 adapter slot
- Processor : AMD EPYC 9124 16C 3.0GHz 200W
- Total Memory Capacity : 6 TB/TruDDR5
- Memory Included : 16 GB 1Rx8
- Internal Hard Disk (Max) : 737.28 TB
- RAID Level Supported : Multiple
- Power Supply : 750W 230V/115V Platinum Hot-Swap Gen2 Power Supply v3
- Form Factor : 1U Rack
- Supported Hard Disk : 3.5" SAS/SATA/NVMe or 2.5" SAS/SATA/NVMe
- PCIe Expansion Slots (maximum) : Up to 5
- Memory Slots Available : 0(0)
- Drive Bays : Up to 4 x 3.5" or 12 x 2.5"
- Included Warranty : 3 year CRU & On-site 9x5 Next Business Day (NBD)
- HDC Description : Software Raid
Part Number 7D9CA01PNACompareSave Now, Pay Later. Need Business Financing?
OUR PROMISE TO YOU
Lenovo Services

TruScale Services
Leverage real-time monitoring, 24x7 incident response, and problem resolution, all through a single point of contact. Quarterly health checks ensure ongoing optimization and business innovation. Lenovo provides remote active monitoring of hardware in the customer’s data center, enabling ongoing performance and productivity.

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Get from an idea to a pre-production AI solution in just weeks. Optimized for NVIDIA AI Enterprise and leveraging accelerators like NVIDIA NIMs, Lenovo AI Fast Start for Enterprise accelerates use case development and platform readiness for AI deployment at scale.

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Ensure peak IT performance with a single point of contact for all your data center support needs. Benefit from end-to-end case management, scalable SLAs, tailored warranties, and 24x7 technical support with global engineering coverage.
Your needs are specific, and our expert consultants and technicians can meet them with their extensive industry experience and deep technical knowledge.