Lenovo ThinkSystem SR655 V2

Brand: Lenovo | Category: Servers

SKU: 7Z49A1C0WW | Part #: 7Z49A1C0WW | MPN: 7Z49A1C0WW

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The Lenovo ThinkSystem SR655 V2 (part number 7Z49A1C0WW) delivers dense single-socket performance in a compact 1U form factor, with multiple onboard NIC ports for network connectivity and up to 3 PCIe Gen 4 expansion slots for high-speed I/O acceleration, plus 1 OCP 3.0 mezzanine slot for additional network or storage offload capabilities. Built on the AMD EPYC 7003 Series (Milan) processor family, this 1U Rack server scales up to 64 cores per socket and supports up to 2TB of DDR4 ECC memory across 16 DIMM slots, making it ideal for memory-intensive workloads, virtualization, and large-scale data processing environments. Storage architects and IT procurement teams will appreciate the flexible hot-swap storage design supporting up to 10 x 2.5-inch bays for NVMe, SAS, or SATA configurations, paired with optional RAID controller support for data protection and performance optimization.

Lenovo's enterprise-class management capabilities are built into the XClarity Controller 2 (XCC2), enabling Redfish API and IPMI 2.0 integration alongside compatibility with industry-leading platforms including Lenovo XClarity Administrator, Microsoft SCOM, and VMware vCenter plug-ins. The SR655 V2 supports a broad operating system ecosystem—Microsoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, and VMware ESXi—ensuring seamless deployment in heterogeneous data center infrastructures. Security-conscious deployments benefit from Secure Boot, TPM 2.0 support, and firmware rollback protection. Redundant hot-swap power supply units ensure business continuity and eliminate single points of failure in mission-critical environments. For network engineers and infrastructure teams evaluating a high-performance, density-optimized single-socket platform, the Lenovo ThinkSystem SR655 V2 combines scalability, manageability, and enterprise reliability.

Key Specifications

• Manufacturer Part Number: 7Z49A1C0WW
• Form Factor & Rack Units: 1U Rack
• Processor Family: AMD EPYC 7003 Series (Milan), single-socket, up to 64 cores per socket
• Memory: DDR4 ECC RDIMM / LRDIMM, 16 x DIMM slots, up to 2TB maximum capacity
• Storage Bays: Up to 10 x 2.5-inch hot-swap (NVMe, SAS, SATA)
• Expansion: PCIe Gen 4 (up to 3 slots), 1 x OCP 3.0 m