Intel Xeon Processor 2123, Tray Blue

Intel Xeon Processor 2123

The Intel Xeon Processor W‑2123, also known by its ARK ID 125036, is a high‑performance server and workstation CPU built on Intel’s 14 nm Skylake architecture. Designed for single‑socket (1S) scalability, it delivers robust compute power while maintaining energy efficiency suitable for demanding enterprise workloads.

Core Architecture & Performance

• Cores / Threads: 4 physical cores with Hyper‑Threading, providing 8 logical threads.
• Base Frequency: 3.60 GHz.
• Turbo Boost Max Technology 2.0: Up to 3.90 GHz on a single core when thermal headroom allows.
• Lithography: 14 nm process, balancing performance and power consumption.
• Cache Hierarchy: 8.25 MB L3 cache (8,448 KB) shared across all cores for low‑latency data access.
• Instruction Set Support: AVX, AVX2, AVX‑512, SSE4.2 – enabling accelerated vector operations and scientific computing.

Memory & I/O Capabilities

• Supported Memory Types: DDR4‑SDRAM.
• Maximum Supported RAM: 512 GB (524,288 MB) across four memory channels.
• Memory Channels: Quad‑channel architecture for high bandwidth.
• Supported Memory Frequencies: 1600, 1866, 2133, 2400, and 2666 MHz.
• Maximum PCI Express Lanes: 48 lanes, configurable as 1×16, 1×4, or 1×8 slots.
• PCI Express Version: 3.0, ensuring compatibility with modern GPUs and NVMe storage.

System Integration & Thermal Design

• Socket Type: LGA 2066 – a high‑pin count socket designed for Xeon Scalable processors.
• Package Dimensions: 45 mm × 52.5 mm, with a depth of 116 mm and height of 101 mm.
• Bus Speed: 8 GT/s over QPI (QuickPath Interconnect), facilitating fast communication between CPUs in multi‑socket configurations.
• Thermal Design Power (TDP): 120 W, optimized for data center power budgets.
• Maximum Case Temperature: 65 °C (Tcase).
• Cooling Requirements: No cooler included; requires a compatible aftermarket solution to maintain optimal operating temperatures.

Advanced Features & Security Enhancements

• Intel® Turbo Boost Technology 2.0: Dynamically increases clock speeds for single‑threaded tasks.
• Intel® SpeedStep Technology: Adjusts processor frequency and voltage to reduce power consumption during idle periods.
• Intel® Demand Based Switching: Enables dynamic scaling of memory bandwidth based on workload demands.
• Intel® Secure Key Technology: Provides a hardware‑based random number generator for cryptographic operations.
• Intel® Identity Protection Technology (Version 1.00): Enhances system security by protecting against identity theft attacks.
• Intel® Trusted Execution Technology: Supports secure execution of sensitive code in a protected enclave.
• Intel® TSX‑NI (Transactional Synchronization Extensions – No Interlock) Version 1.00: Allows lockless synchronization for high‑performance multithreaded applications.
• Execute Disable Bit: Hardware support to prevent execution of code from non-executable memory regions, mitigating buffer overflow exploits.
• Ecc (Error Correcting Code) Memory Support: Ensures data integrity in mission‑critical environments.

Launch & Market Position

The Intel Xeon W‑2123 was launched in the third quarter of 2017, targeting the server and high‑end workstation market segment (SRV). Its combination of strong single‑thread performance, extensive memory support, and robust security features makes it an ideal choice for virtualization, database hosting, scientific simulations, and other compute‑intensive workloads.

Key Takeaways

• 4 cores / 8 threads with a base clock of 3.60 GHz and boost up to 3.90 GHz.
• 14 nm Skylake architecture delivers efficient performance for single‑socket deployments.
• 512 GB DDR4 memory support across quad channels, with PCIe 3.0 lanes for high‑speed I/O.
• Comprehensive security and power‑management features tailored to enterprise environments.

With its balanced blend of performance, scalability, and advanced technology, the Intel Xeon Processor W‑2123 remains a cornerstone component for modern data centers and professional workstations alike.