Lenovo 4XG7A63607 SR665 Epyc 7313

Lenovo 4XG7A63607 AMD EPYC 7313 16-Core Processor for ThinkSystem SR665

Overview

The Lenovo 4XG7A63607 is an AMD EPYC 7313 processor option kit designed specifically for the ThinkSystem SR665 server platform. Delivered as a tray-packaged CPU — no cooler included — this component is the right pick when you're adding compute density to an existing SR665 chassis or configuring a fresh build where the cooling solution is already specified separately. At 3 GHz base with a 3.7 GHz boost across 16 cores and 32 threads, it handles the parallel, I/O-intensive workloads that define modern enterprise server deployments: video analytics processing, database-driven VMS backends, and edge-to-core surveillance compute offload.

Key Features

• 16 Cores / 32 Threads at 3–3.7 GHz: The AMD EPYC 7313's 16-core, 32-thread configuration handles high-concurrency workloads without the per-core licensing overhead of higher core-count SKUs. Base clock of 3 GHz keeps single-threaded tasks responsive; 3.7 GHz boost means burst-heavy operations — database queries, real-time analytics inference — don't stall waiting for clock headroom.
• 128 MB L3 Cache: The 128 MB L3 cache is one of AMD EPYC's distinguishing characteristics at this tier. That cache depth reduces main-memory fetch latency for large working sets — relevant in VMS environments where video indexing, motion-event correlation, and concurrent stream decoding all compete for memory bandwidth simultaneously.
• DDR4-3200 Memory Support: Qualified for DDR4-SDRAM at 3200 MHz, this processor maximizes memory throughput on the SR665 platform. In storage-rich NVR or video analytics server configurations, faster memory bandwidth directly translates to higher concurrent stream capacity before the CPU becomes the bottleneck.
• Socket SP3 — SR665 Platform Lock: The SP3 socket designates this as a component for the AMD EPYC ecosystem on the Lenovo ThinkSystem SR665. If you're sourcing a spare or upgrade processor for an existing SR665 fleet, the socket compatibility is confirmed. This is not a cross-platform part — verify your chassis before ordering.
• 155W TDP / 180W cTDP-up: Standard TDP is 155W, configurable up to 180W if your thermal and power delivery infrastructure supports it. The SR665's power subsystem and cooling are rated for EPYC processors in this range, but in high-density deployments — multiple SR665 units in a shared rack — factor the per-node power draw into your PDU and UPS sizing. At 180W cTDP-up, this processor draws meaningfully more than entry EPYC options, so thermal headroom planning matters.
• Tray Package — No Cooler Included: This is a tray (OEM) CPU, which means the heatsink and retention hardware are not in the box. The SR665 ships with its own thermal solution; this option kit is intended for configurations where the cooling hardware is already present or separately sourced. Don't order this expecting a boxed retail processor with cooler.
• Component Classification — Server/Workstation: Designated for server and workstation use, this processor is built for sustained, multi-hour or 24/7 workloads — not a consumer or desktop CPU. Reliability under continuous load is an inherent design requirement for the EPYC platform.

Integration and Compatibility

The 4XG7A63607 is qualified for the Lenovo ThinkSystem SR665 server. The SR665 is a 2-socket 2U platform built around AMD EPYC processors, commonly deployed in network video recorder infrastructure, video analytics backends, and high-density virtualization stacks. Verify processor compatibility against your specific SR665 chassis generation and firmware version before installation — Lenovo publishes compatibility matrices per server model. Memory configuration on the SR665 with this processor supports DDR4-3200; consult the SR665 memory configuration guide to confirm DIMM population rules and maximum capacity for your use case. For Lenovo server deployments running surveillance VMS platforms or AI-driven video analytics, the EPYC 7313's core count and cache architecture make it a functional fit for mid-to-large camera counts where concurrent stream processing and analytics inference run simultaneously. Pair with adequate network switching infrastructure to avoid upstream bandwidth constraints when aggregating high-bitrate camera feeds at the server tier.

Frequently Asked Questions

Q: Is the Lenovo 4XG7A63607 compatible with servers other than the ThinkSystem SR665?

A: The 4XG7A63607 is a Lenovo option kit qualified for the ThinkSystem SR665. While the underlying AMD EPYC 7313 uses the SP3 socket, this part number is a Lenovo-specific option. Compatibility with other SP3 platforms is not confirmed by the available evidence — verify with Lenovo's compatibility documentation for your specific server model before purchasing.

Q: Does the 4XG7A63607 include a heatsink or cooler?

A: No. This is a tray-packaged processor — no cooler is included. The ThinkSystem SR665 ships with its own thermal solution. This option kit assumes the cooling hardware is already present in your server chassis.

Q: What is the TDP of the AMD EPYC 7313 in this configuration?

A: The standard TDP is 155W. It is also configurable TDP-up to 180W if your platform's power and cooling infrastructure supports it. Plan your rack PDU and UPS capacity accordingly, particularly in multi-node deployments.

Q: What memory type and speed does this processor support?

A: The AMD EPYC 7313 supports DDR4-SDRAM at up to 3200 MHz. Consult the Lenovo ThinkSystem SR665 memory configuration guide for DIMM slot population rules and maximum supported capacity.

Q: How many cores and threads does the EPYC 7313 provide?

A: The AMD EPYC 7313 delivers 16 cores and 32 threads, with a base clock of 3 GHz and a boost clock of 3.7 GHz. The 128 MB L3 cache supports large working-set workloads common in VMS and analytics server environments.

Ted Perry

When I'm sizing a server for a high-camera-count VMS deployment or an AI-driven video analytics stack, the 4XG7A63607 lands in an interesting spot: the AMD EPYC 7313's 16 cores and 128 MB L3 cache give you genuine parallel throughput without jumping to a 32- or 64-core SKU where per-core software licensing starts eating your budget. The 3.7 GHz boost also keeps latency-sensitive operations — live stream decoding, event-triggered analytics — from stalling during peak load.

Technical Highlights:

• 128 MB L3 Cache: At this cache depth, the processor can hold large video frame buffers and analytics model data in-cache during concurrent stream processing, reducing memory latency that would otherwise limit throughput on dense camera deployments.
• 3 GHz Base / 3.7 GHz Boost: The base-to-boost spread means sustained multi-stream workloads run at 3 GHz while burst operations — analytics inference, database writes, event indexing — get the 3.7 GHz headroom without thermal throttling under normal SR665 cooling.
• 155W TDP / 180W cTDP-up: The configurable TDP-up to 180W is useful when you need sustained high-core utilization and your SR665 thermal solution supports it, but at 180W per socket, a dual-socket SR665 configuration draws 360W in CPU alone — size your UPS and PDU circuits before commissioning.

Deployment Considerations:

• This is a tray-only CPU — no heatsink, no retention hardware. The SR665 thermal solution must already be present in the chassis. Don't source this for a bare-chassis build without confirming the cooling kit is separately ordered.
• DDR4-3200 is the ceiling for this processor; running lower-speed DIMMs will cap your memory bandwidth. In high-stream-count VMS builds, populate with 3200 MHz DIMMs to avoid leaving throughput on the table.

The right deployment for this part is a ThinkSystem SR665 running a VMS backend or video analytics engine at the 50–150 camera range, where 16 cores and the EPYC cache architecture keep up with concurrent stream handling and analytics inference without the licensing cost of a higher core-count EPYC option.