Lenovo ThinkSystem SR860 Server
Lenovo ThinkSystem SR860 Server
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Lenovo ThinkSystem SR860 Server
Product Overview
The Lenovo ThinkSystem SR860 is a 4U rack-mount, four-socket server designed for mission-critical workloads that demand high memory capacity, flexible storage, and robust I/O expansion. It scales from two to four Intel Xeon Scalable processors via a customer-installable processor and memory expansion tray, enabling a “pay-as-you-grow” approach that helps control initial costs while providing headroom for future growth.
The SR860 is well-suited for in-memory databases (such as SAP HANA), large transactional databases, server virtualization, enterprise resource planning, and data analytics. Its design supports Intel Optane DC Persistent Memory, which can reduce restart times from minutes to seconds and improve data replication latency and IOPS for persistent storage workloads. The server also supports GPU acceleration, making it capable of handling compute-intensive applications like machine learning, AI, and 3D modeling.
Key differentiators include up to 48 DIMM slots for large memory footprints, up to 16x 2.5-inch drive bays with NVMe support, and up to 13 PCIe 3.0 expansion slots. The system is managed through Lenovo XClarity Controller, which provides standardized, automated infrastructure management and can reduce provisioning time by up to 95% compared to manual operations.
Technical Specifications
| Category | Specification |
|---|---|
| Form Factor | 4U rack-mount |
| Processor | 2 or 4× Intel Xeon Scalable Family processors (Gold/Platinum), 1st or 2nd Generation Up to 28 cores per processor Up to 165W TDP LGA 3647 socket Intel Ultra Path Interconnect (UPI) architecture Note: Two processors minimum; scalable to four via processor/memory expansion tray |
| Memory | 24 DIMM slots standard (12 per CPU); scalable to 48 slots with 4 CPUs DDR4 RDIMM, LRDIMM, and 3DS-RDIMM with ECC Maximum capacity: 6 TB (48× 128 GB 3DS-RDIMM) or 3 TB (48× 64 GB LRDIMM) Up to 12 TB with Intel Optane DC Persistent Memory (Memory Mode) Memory speed: 2666 MHz / 2933 MHz |
| Internal Storage / Drive Bays | Up to 16× 2.5-inch hot-swap drive bays total: • 8× 2.5″ SATA/SAS bays • 8× 2.5″ AnyBay bays (support SATA, SAS, or NVMe) Up to 8× NVMe PCIe SSDs in 2.5-inch form factor Up to 2× M.2 boot drives (SATA/NVMe) via dedicated M.2 adapter |
| Storage Controllers | Onboard NVMe ports with Intel VROC NVMe RAID support Hardware RAID adapters (up to 16 ports, cache up to 4 GB) SAS/SATA HBAs available M.2 adapter supporting RAID 1 for dual boot drives |
| PCIe Expansion | Up to 13 PCIe slots total: • 11× general-purpose PCIe 3.0 slots • 1× dedicated LOM (LAN-on-Motherboard) slot • 1× dedicated M.2 adapter slot Riser card options provide flexible slot configurations (x8, x16 mechanical) |
| GPU Support | Up to 2× high-performance GPUs (up to 300W each) |
| Network Interface | Dedicated LOM slot supporting 1GbE or 10GbE adapters Additional network options via PCIe adapters: 1GbE, 10GbE, 25GbE, 32GbE, 40GbE, or InfiniBand |
| I/O Ports (Rear) | VGA video port USB ports Serial port RJ-45 XClarity Controller management port (dedicated) |
| Power Supply | Up to 2× hot-swap redundant AC power supplies Options: 750W / 1100W / 1600W / 2000W 80 PLUS Platinum certification |
| Cooling | 6× N+1 redundant hot-swap fans |
| Systems Management | Lenovo XClarity Controller (XCC) embedded management XClarity Administrator for centralized infrastructure management XClarity Integrator plugins XClarity Energy Manager for power management Support for Redfish API |
| Security | Trusted Platform Module (TPM) 1.2/2.0 Secure Boot support Chassis intrusion switch Platform Firmware Resiliency (PFR) Predictive Failure Analysis (PFA) |
| Operating Systems | Microsoft Windows Server Red Hat Enterprise Linux SUSE Linux Enterprise Server VMware ESXi |
| Dimensions (H × W × D) | 175.0 mm × 482.0 mm (with rack handles) / 447.0 mm (without handles) × 765.9 mm Height: 6.9 in. / Width: 19.0 in. (with handles) / 17.6 in. (without) / Depth: 30.1 in. |
| Weight | Maximum 39.8 kg (87.7 lb), configuration-dependent |

















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