Lenovo 4XG7A63581 SR650 V2 Gold 5320 26C 185W 2.2GHZ

Lenovo 4XG7A63581 Intel Xeon Gold 5320 26-Core Processor Option

Overview

The Lenovo 4XG7A63581 is an Intel Xeon Gold 5320 processor option kit designed for the ThinkSystem SR650 V2 server platform. Built on Intel's 3rd Generation Xeon Scalable architecture and the LGA 4189 socket, this 26-core, 52-thread processor runs at a 2.2 GHz base frequency with a 3.4 GHz boost — positioning it for compute-dense workloads where consistent multi-threaded throughput matters more than raw single-core peak. At 185W TDP, it sits in the mid-upper tier of the Xeon Gold 5000 family's power envelope, so thermal and power planning at the rack level is a real consideration before deployment.

Key Features

• 26 Cores / 52 Threads: Broad parallelism across 52 logical processors means virtualization hosts, video analytics servers, and multi-stream NVR workloads can distribute thread load without contention. More threads per socket reduces the need for a second CPU in lighter dual-socket configurations.
• 2.2 GHz Base / 3.4 GHz Boost: The 1.2 GHz spread between base and boost gives the scheduler headroom to accelerate latency-sensitive tasks (database queries, single-stream encode) without sustaining full boost under sustained parallel load — a practical balance for mixed workloads.
• Hybrid Core Architecture — 12 High-Priority + 14 Efficiency Cores: High-priority cores run at 2.5 GHz; efficiency cores at 2.0 GHz. This tiered design lets the OS scheduler route foreground or latency-sensitive processes to faster cores while background jobs consume the efficiency cores, improving overall responsiveness under mixed load profiles.
• 10nm Process Node: Intel's 10nm fabrication improves instructions-per-clock and power efficiency versus the previous 14nm generation — meaningful when the processor is running continuously in a 24/7 server environment.
• 11.2 GT/s System Bus: Higher interconnect bandwidth relative to prior-generation platforms supports faster memory and I/O subsystem throughput — relevant for workloads moving large data sets between CPU, RAM, and PCIe devices.
• 64-bit Operating Mode: Full 64-bit support is standard for enterprise server OS deployments (Windows Server, RHEL, VMware ESXi) — no legacy compatibility concerns.

Integration and Compatibility

The 4XG7A63581 is validated for the Lenovo ThinkSystem SR650 V2 platform via the LGA 4189 socket. It is part of Intel's 3rd Generation Xeon Scalable (Ice Lake-SP) family, which means it operates within the broader ecosystem of Intel Optane persistent memory, DDR4 memory channels, and PCIe 4.0 I/O supported by that platform generation. Verify your SR650 V2 configuration against Lenovo's compatibility matrix before ordering — processor TDP (185W) affects cooling and power supply requirements, and not all SR650 V2 base configurations ship with the thermal solution required for 185W processors.

Frequently Asked Questions

Q: What server platform is the Lenovo 4XG7A63581 compatible with?

A: The 4XG7A63581 is a processor option kit for the Lenovo ThinkSystem SR650 V2. It uses the LGA 4189 socket and is part of Intel's 3rd Generation Xeon Scalable platform.

Q: What is the TDP of the Intel Xeon Gold 5320 in this kit?

A: The processor carries a 185W TDP. Confirm that your SR650 V2 configuration includes a compatible thermal solution and sufficient power supply headroom before installing.

Q: How many cores and threads does the 4XG7A63581 provide?

A: 26 physical cores and 52 threads via Intel Hyper-Threading, running at 2.2 GHz base and up to 3.4 GHz boost frequency.

Q: What is the difference between the high-priority and low-priority cores on this processor?

A: The 12 high-priority cores operate at 2.5 GHz, while the 14 efficiency cores run at 2.0 GHz. This tiered design lets the OS route latency-sensitive tasks to faster cores while background workloads use the efficiency cores.

Q: Is this processor option a complete server or just the CPU component?

A: This is a processor option kit — a CPU component intended for installation into a compatible Lenovo ThinkSystem SR650 V2 server. It is not a standalone server or complete system.

Karl Wilson

The 4XG7A63581 is a processor option I'd recommend specifically when you're scaling a ThinkSystem SR650 V2 for sustained parallel workloads — the 26-core, 52-thread profile at 2.2 GHz base is well-suited to VMS servers running concurrent analytics streams or virtualization hosts where thread count matters more than single-core burst. That 185W TDP is the number to watch: it's at the upper end of what the SR650 V2 thermal subsystem expects, so don't assume your base chassis config covers it without checking Lenovo's thermal design guide.

Technical Highlights:

• Hybrid Core Tiers: 12 high-priority cores at 2.5 GHz + 14 efficiency cores at 2.0 GHz — the OS scheduler can route real-time analytics or VM workloads to the faster cores while background indexing or logging runs on efficiency cores, keeping foreground latency predictable.
• 3.4 GHz Boost: A 1.2 GHz spread above base gives the processor headroom to accelerate short-burst tasks without sustaining full power draw — useful in mixed-use server roles where not every thread is pinned simultaneously.
• 10nm Ice Lake-SP Architecture: Improved IPC over the prior 14nm generation means more compute per watt, which matters in a 24/7 server environment where that delta accumulates on the power bill.

Deployment Considerations:

• Validate the SR650 V2 chassis thermal configuration before ordering — 185W processors require the high-performance cooling kit, which may not ship with base or entry-configured servers.
• This is a component, not a system. Procurement should confirm the target SR650 V2 chassis is already in inventory or on order before requisitioning this option kit separately.

Best fit for a ThinkSystem SR650 V2 deployed as a multi-tenant VMS host or compute node where sustained multi-threaded throughput across 50+ logical processors outweighs the need for maximum single-core frequency.