Lenovo 7XG7A05580 SR650 Xeon 5118 12C/105W/2.3GHZ

Lenovo 7XG7A05580 Xeon Gold 5118 12-Core Processor for ThinkSystem SR650

Overview

The Lenovo 7XG7A05580 is an Intel Xeon Gold 5118 processor option kit designed for the ThinkSystem SR650 server platform. Built on Intel's first-generation Scalable architecture using 14nm Skylake silicon, the 5118 delivers 12 cores and 24 threads at a 2.3GHz base clock with a 3.2GHz Turbo Boost ceiling — a configuration that maps well to multi-threaded workloads like video analytics engines, VMS server back-ends, and enterprise surveillance recording platforms where per-core licensing costs make core count a real budget variable. At 105W TDP, the 5118 sits in the mid-range of the Xeon Gold lineup: enough thermal headroom to sustain multi-camera analytics without thermal throttling, while staying within the SR650's standard cooling design without requiring an upgraded heat sink in most configurations.

Key Features

• 12 Cores / 24 Threads (Skylake, 14nm): Twenty-four logical processors under a single socket means the SR650 can handle parallel workloads — multiple simultaneous video decode streams, analytics processes, and OS overhead — without forcing the scheduler to starve critical threads. For a dedicated network video recorder or VMS appliance, this thread count is a practical ceiling for mid-scale deployments before you need dual-socket or a higher core count SKU.
• 2.3GHz Base / 3.2GHz Turbo Boost: The 900MHz boost headroom is available when sustained multi-threaded load drops below the full 12-core envelope. In practice this means single-threaded database queries, license checks, or API calls that periodically spike get serviced quickly without dedicating a high-base-clock processor across the whole platform. The 3.2GHz ceiling is the number to benchmark against if your VMS vendor publishes per-camera CPU benchmarks at a specific clock speed.
• 105W TDP: The thermal design power of 105W fits the SR650's standard thermal module. This matters at rack scale: a fully populated 2U chassis stays within standard data center cooling envelopes. If you're dropping this into a surveillance closet or edge compute rack with limited airflow, 105W is a moderate load — plan for adequate rack-unit spacing and front-to-rear airflow.
• 16.5MB L3 Cache: The large last-level cache reduces memory access latency for working sets that fit within it — relevant for analytics pipelines processing frame buffers or motion vectors for multiple camera streams simultaneously. More cache means fewer round-trips to DDR4, which shows up as reduced latency variance under mixed read/write workloads.
• DDR4-2400 Memory Support — Up to 768GB: The 5118 supports DDR4-SDRAM at 2400MHz across the SR650's DIMM slots, with a maximum addressable memory of 768GB. For a surveillance storage server or analytics node, 768GB headroom means you're not memory-constrained even when running in-memory databases, large video index caches, or multiple containerized analytics workloads alongside the recording engine.
• LGA 3647 (Socket P): The socket is Intel's LGA 3647 — the standard for first-generation Xeon Scalable. This is relevant for procurement: the 7XG7A05580 is a processor option kit for the SR650, not a standalone retail CPU. It must be paired with an SR650 chassis that supports first-gen Scalable CPUs. Verify your SR650 firmware and board revision before ordering a second processor to populate the second socket.
• 64-Bit Operating Mode: Full 64-bit instruction set support is table stakes for any server workload, but it confirms compatibility with current enterprise OS releases (Windows Server 2019/2022, RHEL, Ubuntu Server) that have dropped 32-bit support entirely. No 32-bit legacy OS gotchas here.
• 2.67 lb / Compact Form Factor (8.90 x 10.50 x 7.90 in): At 2.67 lb, this is the processor kit weight — consistent with a boxed OEM processor module for tool-based installation into the SR650 CPU socket. The listed dimensions correspond to the kit packaging footprint, not the installed CPU profile.

Integration & Compatibility

The 7XG7A05580 is engineered specifically for the Lenovo ThinkSystem SR650, a 2U two-socket rack server. Compatibility is gated by socket (LGA 3647) and Lenovo's firmware qualification matrix — always confirm the SR650's UEFI version supports first-generation Xeon Scalable processors before deploying. The Xeon Gold 5118 is supported by Lenovo's XClarity Administrator for firmware lifecycle management, which is relevant for enterprise environments where patch compliance is audited. For network infrastructure planning, the SR650 with this processor supports standard PCIe 3.0 expansion slots for 10/25GbE NICs and RAID controllers, giving you flexibility to configure the platform as a dedicated VMS appliance, an analytics compute node, or a converged recording-and-analytics server depending on expansion card selection. Memory configuration for this processor should use DDR4-2400 ECC RDIMMs or LRDIMMs per Lenovo's SR650 memory population guide — incorrect DIMM pairing can drop actual operating frequency or disable channels. If you're evaluating this for a server workstation build supporting a large-scale surveillance deployment, cross-reference your VMS vendor's published hardware sizing guides against the 12-core / 24-thread specification and the 2400MHz memory bandwidth to validate the platform for your camera count and analytics load before committing.

Frequently Asked Questions

Q: What server is the Lenovo 7XG7A05580 compatible with?

A: The 7XG7A05580 is a processor option kit qualified for the Lenovo ThinkSystem SR650 server. It uses the LGA 3647 (Socket P) socket and is based on Intel's first-generation Xeon Scalable (Skylake) architecture. Compatibility with specific SR650 configurations depends on UEFI firmware revision — consult Lenovo's SR650 configuration guide before installation.

Q: How many cores and threads does the Xeon Gold 5118 provide?

A: The Intel Xeon Gold 5118 delivers 12 physical cores and 24 threads via Intel Hyper-Threading. Base clock is 2.3GHz with a Turbo Boost ceiling of 3.2GHz.

Q: What is the TDP of this processor and does it require additional cooling?

A: The Xeon Gold 5118 has a Thermal Design Power of 105W. This is within the standard thermal design envelope of the ThinkSystem SR650, so the default CPU heat sink is typically sufficient. Verify Lenovo's thermal configuration guide if the SR650 is deployed in a restricted-airflow environment.

Q: What is the maximum memory this processor supports?

A: The Xeon Gold 5118 supports up to 768GB of DDR4-SDRAM. Supported memory speed is 2400MHz. Actual installed capacity depends on the SR650 chassis DIMM slot count and Lenovo's memory population rules.

Q: Can this processor be used in a dual-socket SR650 configuration?

A: The ThinkSystem SR650 supports two-socket configurations using the LGA 3647 socket. The 7XG7A05580 can populate the second CPU socket if the SR650 is equipped for dual-processor operation. Confirm both processors are identical or within Intel's validated mixed-CPU rules for dual-socket Skylake deployments.

Q: Is the 7XG7A05580 a complete server or just a processor kit?

A: This is a processor option kit — it is not a standalone server. The 7XG7A05580 is the CPU module only, intended for installation into a Lenovo ThinkSystem SR650 chassis. Memory, storage, and network adapters are purchased and configured separately.

Marty Allison

The 7XG7A05580 is the processor kit I'd reach for when building out a mid-scale VMS appliance on the SR650 platform where you need solid multi-threaded throughput without pushing into the thermal or power envelope of the higher-core-count Gold SKUs. The 5118's 12-core / 24-thread configuration at 105W TDP gives you enough parallelism to run simultaneous video decode, analytics inference, and database I/O without forcing the data center team into a cooling conversation.

Technical Highlights:

• 3.2GHz Turbo Boost: The 900MHz gap between base (2.3GHz) and boost (3.2GHz) is meaningful for VMS workloads where single-threaded operations — license validation, API calls, UI rendering — periodically spike. Those bursts get serviced at 3.2GHz without dedicating a high-base processor to the entire platform.
• 768GB Max DDR4-2400 Support: This ceiling gives an SR650 build running in-memory video indexing or large analytics model caches plenty of room to scale. At DDR4-2400, the memory bandwidth is sufficient for multi-stream decode pipelines without becoming the bottleneck ahead of storage I/O.
• 16.5MB L3 Cache: For surveillance analytics workloads processing motion vectors and frame buffers across multiple streams, a large L3 cache reduces the round-trip latency to DDR4. In practice this means more consistent frame processing latency under load versus a processor with a smaller cache at the same clock speed.

Deployment Considerations:

• This is a processor option kit for the SR650 — it ships without memory, storage, or NICs. Budget and configure those components separately using Lenovo's SR650 configurator and your VMS vendor's hardware sizing guide before ordering.
• At 105W TDP, the 5118 is within SR650 standard cooling limits, but if you're building a dual-socket SR650 for a dense analytics deployment, confirm your rack's BTU capacity accounts for both CPUs at sustained load, not just idle draw.

This processor option is a practical fit for a dedicated Lenovo ThinkSystem SR650 VMS recording server handling 50–100 camera channels with lightweight edge analytics, where the 12-core / 24-thread configuration provides enough parallel throughput to run the recording engine, analytics processes, and management stack concurrently without reaching for a higher-TDP SKU.