Lenovo 4XG7A37965 SR630 Xeon Gold 6246

Lenovo 4XG7A37965 Intel Xeon Gold 6246 12-Core Processor for SR630

Overview

The Lenovo 4XG7A37965 is an Intel Xeon Gold 6246 processor upgrade designed specifically for the Lenovo ThinkSystem SR630 server platform. Running 12 cores and 24 threads at a 3.3 GHz base clock with a 4.2 GHz Turbo Boost ceiling, this Cascade Lake processor is the right fit for compute-intensive server workloads where single-thread throughput and core density both matter — think VMS analytics engines, inference servers for AI-based video processing, or dense virtual machine hosts in a 1U chassis. If you're sizing a rack server for a mid-to-large security deployment and the base SR630 configuration is leaving performance on the table, this is the upgrade path.

Key Features

• 12 Cores / 24 Threads (Cascade Lake): The Intel Xeon Gold 6246 delivers 24 hardware threads in a single socket, giving the SR630 enough parallel processing headroom to handle simultaneous video analytics streams, database transactions, and VMS recording without cores becoming the bottleneck. Cascade Lake's mature silicon and instruction set support are well-proven across enterprise workloads.
• 3.3 GHz Base / 4.2 GHz Turbo Boost: A 3.3 GHz base frequency is meaningfully higher than many 12-core Xeon Gold parts — beneficial for workloads that don't fully saturate all cores but depend on fast single-thread execution. The 4.2 GHz Turbo ceiling closes the gap further for bursty operations like forensic video search or alarm-event correlation.
• 24.75 MB L3 Cache: With nearly 25 MB of L3 cache shared across 12 cores, frequently accessed data sets (working sets for real-time analytics, active video frames, lookup tables) stay closer to the processor — reducing latency-sensitive round trips to DRAM on a heavily loaded server.
• 165 W TDP: At 165 W, this processor sits in the mid-to-high range for 1U server thermals. The SR630 chassis and cooling subsystem are rated to handle it, but confirm your rack power delivery — dual PSUs in an SR630 are advisable under sustained load. Factor this wattage into your rack UPS sizing accordingly.
• LGA 3647 (Socket P): The LGA 3647 socket is the standard Skylake-SP/Cascade Lake platform interface. This processor drops directly into a compatible SR630 socket without any platform rework — you're upgrading the CPU, not the board or memory topology.
• Up to 1 TB DDR4 SDRAM Support: The Xeon Gold 6246 supports up to 1 TB of DDR4 memory per socket. On the SR630 platform, that memory ceiling covers high-channel-count NVR configurations, in-memory databases, and analytics platforms that ingest large frame buffers — plan your DIMM population against the actual memory bus channels available in the SR630's 24-DIMM configuration.
• 64-Bit Operating Modes / UPI Bus: Full 64-bit instruction support and Intel's UPI (Ultra Path Interconnect) bus are table stakes for any modern enterprise server workload. UPI is particularly relevant if you're deploying a dual-socket SR630 — inter-processor coherency traffic routes over UPI, so workload locality planning matters in that configuration.
• 14 nm Lithography (Intel Xeon Gold 6000 Series): Manufactured on Intel's mature 14 nm process, the Gold 6246 offers predictable power and thermal behavior — useful when you're building a dense rack and need confidence that your thermal envelope stays stable under sustained compute.

Integration and Compatibility

The 4XG7A37965 is a Lenovo factory option or upgrade part for the Lenovo ThinkSystem SR630 platform. Before ordering, verify your SR630's current firmware revision supports Cascade Lake processors — some early SR630 deployments shipped with Skylake-generation CPUs and may require a firmware update (UEFI/BMC) before a Cascade Lake insertion is supported. Check the Lenovo ServerProven compatibility matrix against your specific SR630 model and board revision.

On the memory side, the Gold 6246's six-channel DDR4 controller means DIMM population should follow Lenovo's SR630 memory population rules for optimal bandwidth — asymmetric or partially populated configurations can leave memory bandwidth on the table. For large network video recorder or analytics server deployments, balance your DIMM count across channels before finalizing the memory order.

This processor is classified under UNSPSC code 43201503 (Processors), making procurement integration with enterprise purchasing systems straightforward for IT teams running catalog-driven PO workflows. For broader server and compute hardware for security infrastructure, review compatible SR630 configurations alongside this CPU upgrade.

Frequently Asked Questions

Q: Is the Lenovo 4XG7A37965 compatible with the ThinkSystem SR630?

A: Yes — the 4XG7A37965 is a Lenovo-designated processor option for the ThinkSystem SR630. Verify your SR630's firmware revision supports Cascade Lake CPUs before installation, as early Skylake-configured SR630 systems may require a UEFI and BMC update first.

Q: What is the base and boost clock speed of the Xeon Gold 6246?

A: The Intel Xeon Gold 6246 runs at 3.3 GHz base frequency with a Turbo Boost ceiling of 4.2 GHz. This is one of the higher base clocks among 12-core Xeon Gold parts, beneficial for workloads that rely on single-thread throughput alongside parallel processing.

Q: How much memory does the Xeon Gold 6246 support?

A: The processor supports up to 1 TB of DDR4 SDRAM. In the SR630 platform, actual installed capacity depends on the number of DIMM slots populated and the specific SR630 memory board configuration — consult Lenovo's memory population guide for your SR630 revision.

Q: What is the TDP of the 4XG7A37965 and does it affect rack power planning?

A: The Xeon Gold 6246 has a 165 W TDP. This is in the upper range for 1U server processors and should be factored into rack UPS sizing and PDU capacity planning, especially in dense multi-server configurations. The SR630 chassis is designed to accommodate this thermal envelope.

Q: Does this processor support virtualization workloads?

A: The Xeon Gold 6246 is a 64-bit processor with 12 cores and 24 threads, making it well-suited for virtualization workloads on the SR630. It supports DDR4 memory and Intel's UPI interconnect for dual-socket configurations where applicable.

Q: What processor generation and socket does the 4XG7A37965 use?

A: The Xeon Gold 6246 is a Cascade Lake generation processor using the LGA 3647 (Socket P) interface, part of Intel's Xeon Gold 6000 Series. It is fabricated on a 14 nm process node.

Karl Wilson

The 4XG7A37965 is one of those upgrades that looks straightforward on paper but has a real firmware dependency that catches people off guard. The Xeon Gold 6246 runs at a 3.3 GHz base with 4.2 GHz Turbo across 12 cores — solid single-thread performance for a Cascade Lake part — but before you slot this into an SR630, pull the system's current UEFI and BMC firmware levels. Early SR630 deployments running Skylake processors won't recognize Cascade Lake without a firmware update, and that's a step that needs to happen before the new CPU goes in, not after.

Technical Highlights:

• 3.3 GHz Base / 4.2 GHz Turbo: Higher base clock than most 12-core Xeon Gold SKUs — relevant for VMS server workloads that mix recording I/O with analytics processing, where not every operation saturates all 12 cores simultaneously.
• 24.75 MB L3 Cache: Nearly 25 MB of shared L3 cache means working sets for real-time video analytics or active database queries are more likely to stay on-die rather than forcing costly DRAM fetches under sustained load.
• 165 W TDP: Within SR630 thermal design limits, but at the upper end — budget this accurately in your rack PDU and UPS capacity calculations, especially if you're running multiple SR630 nodes in the same cabinet.

Deployment Considerations:

• Confirm firmware compatibility against your SR630's board revision using Lenovo's ServerProven matrix before procurement — a firmware mismatch at install time costs more than the spec check beforehand.
• The Gold 6246's six-channel DDR4 memory controller delivers full bandwidth only with a balanced DIMM population — asymmetric configurations on the SR630's 24-DIMM board will leave measurable memory bandwidth underutilized, which matters on analytics-heavy workloads.

This processor is the right call for an SR630 deployment running a mid-to-large VMS with concurrent analytics, or a virtualized security infrastructure host where single-thread clock speed matters alongside core count — not for entry-level recording-only boxes where a lower-TDP part is more economical.