• Lenovo SR635-V3 1U AMD EPYC server rack with DDR5 and PCIe 5.0
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Lenovo

Lenovo SR635-V3 | ThinkSystem 1U Rack Server, AMD EPYC 9004, 12x DDR5

SR635-V3

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Description

The Lenovo ThinkSystem SR635 V3 is a high-performance 1U single-socket rack server powered by AMD EPYC 9004 series processors with up to 96 cores. Designed for demanding enterprise workloads including AI inference, virtualization, HPC, and software-defined storage, it supports up to 12 DDR5 memory slots for maximum throughput, flexible drive configurations with up to 12x 2.5-inch hot-swap bays supporting SAS, SATA, and NVMe, and PCIe 5.0 expansion for advanced I/O capabilities. Built with redundant hot-swap power supplies and managed through XClarity Controller, the SR635 V3 delivers exceptional reliability and performance in a compact form factor.

Features

AMD EPYC 9004/9005 series processors with up to 160 Zen5 cores for exceptional compute performance
- DDR5-4800 memory support with 12 DIMM slots for up to 1.5TB capacity and enhanced throughput
- PCIe 5.0 expansion slots providing 128 GB/s bandwidth for high-speed networking and storage
- Onboard NVMe PCIe ports for direct connections to up to 12x NVMe SSDs without consuming PCIe slots
- Hot-swap redundant power supplies with 80 PLUS Titanium certification for maximum energy efficiency
- AnyBay technology for flexible drive configurations supporting SAS, SATA, and NVMe in the same bays
- Compute Express Link (CXL) v1.1 Ready for reduced compute latency in next-generation workloads
- OCP 3.0 network adapter support for flexible and upgradeable networking options
- Proactive Platform Alerts (PFA) for processors, memory, storage, fans, power supplies, and thermal components
- Tool-less chassis design with hot-swap drives and redundant cooling for simplified maintenance
- Advanced RAS features including memory sparing, SDDC, ECS, and Post Package Repair
- Hexagonal ventilation pattern for optimized airflow and improved cooling efficiency
- Support for Linux, Windows Server, VMware ESXi, and other enterprise operating systems
- Security features including TPM 2.0, Secure Boot, and hardware-based encryption

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

Form Factor: 1U rack-mount server
- Processor: Single-socket AMD EPYC 9004 (Genoa) or 9005 (Turin) series, up to 160 cores (5th Gen), up to 96 cores (4th Gen)
- Memory: 12x DDR5 memory slots, supports up to 1.5TB DDR5-4800 ECC RDIMM
- Storage: Up to 12x 2.5-inch hot-swap drive bays supporting SAS, SATA, NVMe, or AnyBay configurations; optional 2x M.2 drives for boot
- Expansion: Up to 5x PCIe 4.0 slots or up to 2x PCIe 5.0 slots; OCP 3.0 network adapter support
- GPU Support: Up to 4x single-width GPUs (75W each), 3x rear slots, 1x front slot
- Power Supply: Hot-swap redundant power supplies with 80 PLUS Titanium certification
- Management: Lenovo XClarity Controller 2 with remote management capabilities
- Networking: OCP 3.0 support for flexible networking options; supports up to 400GbE with PCIe 5.0 x16 slot
- Energy Efficiency: Low-voltage 1.1V DDR5 memory, high-efficiency PSUs, optimized airflow design

FAQs

Q: What processor families are supported in the SR635 V3?
A: The SR635 V3 supports AMD EPYC 9004 series (Genoa) 4th generation processors with up to 96 cores, and AMD EPYC 9005 series (Turin) 5th generation processors with up to 160 cores. Both families support DDR5 memory and PCIe 5.0 expansion.

Q: What storage configurations are available?
A: The SR635 V3 offers flexible storage with up to 12x 2.5-inch hot-swap drive bays supporting SAS, SATA, NVMe, or AnyBay configurations. Additional options include up to 16x EDSFF bays, optional 2x rear 2.5-inch drives, and internal M.2 module for boot drives. The server provides onboard NVMe PCIe ports for direct connections to NVMe SSDs.

Q: Can the SR635 V3 support GPU acceleration?
A: Yes, the SR635 V3 supports up to 4x single-width GPUs with a maximum of 75W each. Three GPUs can be installed in rear PCIe slots and one in a front slot when configured with 4x 2.5-inch front drive bays, making it suitable for AI inference, VDI, and HPC workloads.

Q: What are the primary use cases for this server?
A: The SR635 V3 is ideal for AI inference, virtual desktop infrastructure (VDI), OLTP databases, analytics, high-performance computing (HPC), and software-defined storage (SDS). Its combination of high core density, PCIe 5.0 support, and flexible storage makes it suitable for data-intensive enterprise applications.

Q: What management tools are included?
A: The SR635 V3 includes Lenovo XClarity Controller 2 for comprehensive server management with remote monitoring, control, and alerting capabilities. It integrates with Lenovo XClarity One and third-party management platforms like VMware vCenter and Microsoft System Center for centralized data center management.

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