Lenovo ThinkSystem SR635 7Y99 1U Rack Server

Lenovo ThinkSystem SR635 7Y99 1U Rack Server

The Lenovo ThinkSystem SR635 7Y99 1U Rack Server delivers exceptional performance and efficiency, tailored for modern data centres, virtualisation environments, and demanding enterprise workloads. Powered by AMD EPYC 7002 series processors, the SR635 offers industry-leading core density and exceptional cost-effectiveness in a compact, space-saving design.

With advanced scalability, flexible storage options, and enterprise-grade management tools, the SR635 ensures seamless operation for compute-intensive tasks, cloud hosting, and virtualisation deployments. Its energy-efficient architecture delivers outstanding performance while reducing operational costs.


  • Configure your server online now
  • Professionally refurbished & quality tested
  • Built to Order in 2-3 business days
  • Fast UK, EU & worldwide shipping
  • 3-Year RTB Warranty included
Exceptional AMD EPYC Performance

The Lenovo ThinkSystem SR635 is powered by a single AMD EPYC 7002 series processor, offering up to 64 cores and 128 threads. This server outperforms many dual-socket systems, delivering unparalleled multi-threaded performance for compute-intensive tasks, virtualisation, and data analytics. It provides a cost-effective solution for businesses needing powerful, scalable performance in enterprise-grade environments.


Compact 1U Design with Flexible Storage

Designed for space efficiency, the SR635 features a compact 1U form factor while supporting up to 16x 2.5” SFF drives or 8x 3.5” LFF drives. It also supports NVMe storage for ultra-fast, low-latency access, ideal for data-heavy applications. Integrated RAID capabilities ensure data protection and enhanced reliability, offering businesses a flexible balance of speed, capacity, and fault tolerance.


Optimised for Virtualisation and Cloud

The SR635 is engineered to excel in virtualised environments, supporting VMware, Citrix, and Microsoft Hyper-V. With up to 4TB of DDR4 memory across 16 DIMM slots and PCIe 4.0 support for faster I/O, the server delivers exceptional virtualisation performance. Its scalability allows organisations to consolidate workloads effectively, reducing infrastructure complexity and maximising resource efficiency.


Energy Efficiency and Enterprise Reliability

Built for energy efficiency, the Lenovo ThinkSystem SR635 leverages AMD EPYC’s single-socket architecture for superior performance-per-watt. Lenovo’s dynamic power management technologies optimise energy usage, lowering total cost of ownership (TCO). Equipped with Lenovo XClarity Controller, the SR635 offers robust remote management tools to streamline updates, monitoring, and deployments while maintaining enterprise-level reliability.


Need advice on your server setup? Feel free to give our expert team a call or send us a message.

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Technical Specifications

Brand

  • Lenovo

Model

  • Lenovo ThinkSystem SR635

Form Factor

  • 1U

Processor

  • No. of CPUs: Up to 2x
  • CPU Series: AMD EPYC 7002 Series, AMD EPYC 7003 Series
  • CPU Limitations: 205W

Memory

  • RAM Type: DDR4
  • RAM Slots: 16
  • Maximum RAM: 3TB

Storage

  • Hard Disk Controller: Configurable
  • Storage Configuration: 10SFF U.2 NVMe

Network Interface

  • Dedicated OCP 3.0 SFF slot with PCIe 4.0 x16 host interface. Supports a variety of 2-port and 4-port adapters with 1GbE, 10GbE and 25GbE network connectivity. One port can optionally be shared with the ASPEED management processor for Wake-on-LAN and NC-SI support.

Remote Access

  • Lenovo XClarity Controller (XCC)

Expansion Ports

  • Up to 4x PCIe 3.0 slots (with two CPUs), including 1x dedicated PCIe for RAID adapter

Interface Ports

  • A total of up to 4 PCIe 4.0 slots (3 with rear access, 1 internal for a RAID adapter) plus a slot dedicated to the OCP adapter.

Dimensions (HxWxD)

  • 1.7" x 17.3" x 29.7" (Approx.)

Weight

  • Minimum configuration: 11.9 kg (26.2 lb)
  • Maximum: 19.2 kg (41.4 lb)
The Lenovo ThinkSystem SR635 7Y99 1U Rack Server delivers exceptional performance and efficiency, tailored for modern data centres, virtualisation environments, and demanding enterprise workloads. Powered by AMD EPYC 7002 series processors, the SR635 offers industry-leading core density and exceptional cost-effectiveness in a compact, space-saving design.

With advanced scalability, flexible storage options, and enterprise-grade management tools, the SR635 ensures seamless operation for compute-intensive tasks, cloud hosting, and virtualisation deployments. Its energy-efficient architecture delivers outstanding performance while reducing operational costs.


  • Configure your server online now
  • Professionally refurbished & quality tested
  • Built to Order in 2-3 business days
  • Fast UK, EU & worldwide shipping
  • 3-Year RTB Warranty included
Exceptional AMD EPYC Performance

The Lenovo ThinkSystem SR635 is powered by a single AMD EPYC 7002 series processor, offering up to 64 cores and 128 threads. This server outperforms many dual-socket systems, delivering unparalleled multi-threaded performance for compute-intensive tasks, virtualisation, and data analytics. It provides a cost-effective solution for businesses needing powerful, scalable performance in enterprise-grade environments.


Compact 1U Design with Flexible Storage

Designed for space efficiency, the SR635 features a compact 1U form factor while supporting up to 16x 2.5” SFF drives or 8x 3.5” LFF drives. It also supports NVMe storage for ultra-fast, low-latency access, ideal for data-heavy applications. Integrated RAID capabilities ensure data protection and enhanced reliability, offering businesses a flexible balance of speed, capacity, and fault tolerance.


Optimised for Virtualisation and Cloud

The SR635 is engineered to excel in virtualised environments, supporting VMware, Citrix, and Microsoft Hyper-V. With up to 4TB of DDR4 memory across 16 DIMM slots and PCIe 4.0 support for faster I/O, the server delivers exceptional virtualisation performance. Its scalability allows organisations to consolidate workloads effectively, reducing infrastructure complexity and maximising resource efficiency.


Energy Efficiency and Enterprise Reliability

Built for energy efficiency, the Lenovo ThinkSystem SR635 leverages AMD EPYC’s single-socket architecture for superior performance-per-watt. Lenovo’s dynamic power management technologies optimise energy usage, lowering total cost of ownership (TCO). Equipped with Lenovo XClarity Controller, the SR635 offers robust remote management tools to streamline updates, monitoring, and deployments while maintaining enterprise-level reliability.


Need advice on your server setup? Feel free to give our expert team a call or send us a message.