• Lenovo SR860 4-socket Xeon server rack with IBM design and red LEDs
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Lenovo

Lenovo SR860 | ThinkSystem SR860 4-Socket Server, 4U Rack, 48 DIMMs

SR860

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Description

The Lenovo ThinkSystem SR860 is a 4-socket enterprise server designed for mission-critical workloads including databases, virtualization, and business-critical applications. Housed in a 4U rack-mount chassis, it supports up to four Intel Xeon Scalable processors and scales from 2 to 4 sockets with up to 48 DDR4 DIMM slots for massive memory capacity. The server features flexible storage with up to 16x 2.5-inch drive bays including AnyBay support for SAS, SATA, and NVMe drives, plus GPU expansion capabilities and comprehensive XClarity management.

Features

Scalable 4-socket architecture supporting 2 or 4 Intel Xeon Scalable processors
- Up to 48 DDR4 DIMM slots for massive memory capacity up to 6TB standard or 15TB with Optane
- Intel Optane DC Persistent Memory support for high-capacity, persistent memory tier
- AnyBay drive technology for flexible SAS/SATA/NVMe storage mix in the same bays
- Up to 16x 2.5-inch drive bays with up to 8x NVMe-capable AnyBay drives
- Direct NVMe connectivity bypassing SAS bus for ultra-fast storage performance
- Optional M.2 boot drive adapter supporting RAID 1 mirroring for OS redundancy
- GPU expansion supporting up to 4x single-width or 2x double-wide enterprise GPUs
- PCIe 3.0 expansion slots for adapters and accelerators
- Dedicated OCP network slot for standardized 1GbE or 10GbE connectivity
- Lenovo XClarity Controller embedded for comprehensive systems management
- XClarity Administrator compatibility for centralized multi-system management
- Tool-less modular processor and memory expansion tray for easy field upgrades
- Redundant hot-swap power supplies with 80 PLUS Platinum efficiency
- Redundant hot-swap cooling fans for high availability
- Hexagonal ventilation pattern for optimized airflow and thermal efficiency
- Predictive Failure Analysis (PFA) for proactive component monitoring
- UEFI-based firmware with Secure Boot and TPM support
- Light path diagnostics for rapid component identification during service
- IPMI 2.0, SNMP, CLI, and web-based management interfaces

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: 4U rack-mount server
- Processor Support: Up to 4x Intel Xeon Scalable processors (Gold/Platinum, 1st or 2nd Gen)
- Processor Scalability: Upgradeable from 2 to 4 processors via processor and memory expansion tray
- Maximum Processors: Up to 28 cores per processor, up to 3.8 GHz
- Memory Slots: Up to 48x DIMM slots (12 DIMMs per processor with 4 processors installed)
- Memory Type: DDR4 TruDDR4 (RDIMMs, LRDIMMs, 3DS RDIMMs)
- Memory Speed: Up to 2666 MHz
- Maximum Memory Capacity: Up to 6TB with standard DIMMs; up to 15TB with Intel Optane DC Persistent Memory
- Memory Channels: 6 channels per processor, 1 or 2 DIMMs per channel
- Storage Bays: Up to 16x 2.5-inch drive bays front-mounted
- AnyBay Support: Up to 8x AnyBay drive bays (SAS/SATA/NVMe mix-and-match)
- NVMe Support: Direct motherboard connections for U.2 NVMe drives
- M.2 Support: Optional M.2 adapter (1 or 2 drives in RAID 1 for OS boot)
- GPU Support: Up to 4x full-height single-width GPUs or 2x double-wide GPUs
- PCIe Expansion: Multiple PCIe 3.0 slots including dedicated 10GbE/1GbE network slot
- Network: Dedicated OCP network slot for 1GbE or 10GbE adapters
- Management: Lenovo XClarity Controller embedded; XClarity Administrator support
- Power Supply: Redundant hot-swap power supplies (80 PLUS Platinum certified)
- Cooling: Redundant hot-swap fans with hexagonal ventilation design
- Dimensions (HxWxD): 176mm x 447mm x 766mm (6.9" x 17.6" x 30.2")
- Maximum Weight: 39.8 kg (87.7 lbs)

FAQs

Q: Can I start with 2 processors and upgrade to 4 later?
A: Yes, the SR860 features a modular processor and memory expansion tray design that allows you to start with 2 processors and 24 DIMM slots, then expand to 4 processors and 48 DIMM slots when needed without replacing the entire system.

Q: What is AnyBay technology and how does it benefit storage configuration?
A: AnyBay technology allows up to 8 of the 16 drive bays to accept SAS, SATA, or NVMe drives in the same bay, eliminating the need for dedicated bay types. This provides flexible storage tiering and simplifies drive management while supporting both traditional HDDs/SSDs and high-performance U.2 NVMe drives.

Q: What workloads is the ThinkSystem SR860 optimized for?
A: The SR860 is designed for mission-critical enterprise workloads including transactional databases, SAP HANA in-memory computing, virtualization with high VM density, business intelligence, ERP systems, data analytics, and general business consolidation requiring high memory capacity and processor scalability.

Q: What GPU configurations are supported?
A: The SR860 supports up to 4 full-height single-width GPUs or up to 2 double-wide GPUs via the PCIe expansion tray located in the upper 2U of the chassis. This enables compute-intensive applications such as machine learning, AI inference, and graphics-intensive workloads.

Q: How does Intel Optane DC Persistent Memory enhance the SR860?
A: Intel Optane DC Persistent Memory provides a new memory tier that combines high capacity, affordability, and data persistence. When combined with standard DDR4 DIMMs, the SR860 can support up to 15TB of total memory capacity, enabling massive in-memory datasets and dramatically reducing application restart times from minutes to seconds.

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