Intel Xeon Platinum 8280L 2.70GHz 28 Core 38.5M 205W FCLGA3647 CPU SRF9R

Intel Xeon Platinum 8280L Processor – Specifications and Compatibility Overview

The Intel Xeon Platinum 8280L is a high-end, data center-grade processor designed for enterprise workloads, virtualization, advanced analytics, AI, and real-time processing. Part of the second generation of scalable processors, it delivers exceptional performance, memory capacity, and reliability for mission-critical applications.

Key Specifications

• Cores / Threads: 28 cores, 56 threads

• Base Clock Speed: 2.70 GHz

• Max Turbo Frequency: Up to 4.00 GHz

• Cache: 38.5 MB L3 Cache

• Thermal Design Power (TDP): 205 Watts

• Socket Type: FCLGA3647

Memory Support

• Max Memory Capacity: Up to 4.5 TB

• Memory Type: DDR4-2933

• Memory Channels: 6

• ECC Support: Yes

• Persistent Memory Support: Yes, including Intel Optane DC Persistent Memory (on supported platforms)

Platform Features

• Scalability: Supports multi-socket configurations with up to 8 CPUs per system

• UPI Links: 3 Ultra Path Interconnects for high-speed inter-CPU communication

• PCI Express Lanes: Up to 48 lanes, PCIe 3.0

• Instruction Sets: AVX-512, Deep Learning Boost, and other advanced compute features

• Virtualization Support: Includes hardware support for VT-x and VT-d

Compatibility

The Xeon Platinum 8280L is compatible with enterprise-grade server motherboards and systems that support the LGA3647 socket and Cascade Lake-SP architecture. It is commonly used in high-density rack servers and supports high memory configurations required for data analytics, in-memory computing, and AI inference workloads.

Firmware and BIOS support is required from system vendors for full feature enablement. Adequate thermal solutions and power delivery infrastructure are also essential due to its high TDP.

All these kits use the Intel Xeon Platinum 8280L CPU (part number CD8069504228201, Intel SKU 192472):
P11635-001, P28914-B21, P07363-B21, P07363-L21, P02540-B21, P02540-L21, P10968-B21, P10968-L21, P05713-B21, P05713-L21, P07154-B21, P07154-L21, P02718-B21, P02718-L21, 338-BRVI, 338-BSTS, R7920-8280, UCS-CPU-I8280L=, UCS-CPU-I8280LC=, 4XG7A14962, 4XG7A15862, 4XG7A15965, 4XG7A15863, 01PE632.