Lenovo 4XG7A63408 SR630 V2 Gold 6346 16C 205W 3.1GHZ

Lenovo 4XG7A63408 Intel Xeon Gold 6346 16-Core Processor for ThinkSystem SR630 V2

Overview

The Lenovo 4XG7A63408 is a factory-configured Intel Xeon Gold 6346 processor option for the ThinkSystem SR630 V2 — Lenovo's 1U dual-socket rack server designed for compute-intensive enterprise workloads. Running 16 cores across 32 threads at a base frequency of 3.1 GHz, this 3rd Generation Intel Xeon Scalable processor sits in the performance tier of the Xeon Gold 6000 series, targeting environments where per-core throughput and sustained clock speed matter more than raw core count alone. If you're building or expanding a ThinkSystem SR630 V2 deployment and need a processor that balances core density with aggressive boost clocks, the 4XG7A63408 warrants serious consideration.

The Gold 6346 is built on Intel's 10nm SuperFin process and drops into the LGA 4189 socket — the same platform shared across the broader 3rd Gen Xeon Scalable lineup, which means platform investment isn't wasted if you upgrade CPUs later within the same generation. With a 205W TDP and an 11.2 GT/s system bus, this processor is positioned for workloads that sustain heavy parallel compute: virtualization hosts, database servers, AI inference nodes, and dense application environments.

Key Features

• 16 Cores / 32 Threads at 3.1 GHz Base: More threads than entry Xeon Gold options, but the 3.1 GHz base frequency is meaningfully higher than many higher-core-count parts in the same family — a real advantage in workloads that don't scale linearly with cores but need solid single-thread headroom.
• 3.6 GHz Turbo Boost: The 500 MHz boost headroom activates automatically on lightly loaded cores, which matters for latency-sensitive applications like database query execution or single-threaded legacy workloads running alongside modern containerized applications.
• Intel Application Priority (High/Low Core Segmentation): The Gold 6346 designates 4 high-priority cores running at 3.2 GHz and 12 low-priority cores at 3.0 GHz — a hardware-level workload tiering mechanism. In practice, this means time-critical processes get preferential clock headroom without manual affinity tuning in the OS.
• 36 MB L3 Cache: A large last-level cache reduces main memory access latency on working sets that fit within cache — significant for in-memory databases, real-time analytics, and streaming compute pipelines where DRAM bandwidth is a bottleneck.
• 10nm Lithography: Intel's 10nm process improves power efficiency versus prior-generation 14nm parts, which at 205W TDP translates to better performance-per-watt compared to equivalent-era 14nm processors — a factor in dense 1U deployments where thermal headroom is constrained.
• 64-Bit Operating Mode, 11.2 GT/s System Bus: Full 64-bit support is table stakes for enterprise workloads, but the 11.2 GT/s bus rate ensures memory and I/O throughput don't create a ceiling below what the cores can actually process — relevant in NVMe-heavy or high-bandwidth storage configurations.
• LGA 4189 Socket Platform: Platform continuity across 3rd Gen Xeon Scalable means the SR630 V2 chassis, memory, and PCIe infrastructure remain reusable if the processor is swapped for a higher-spec Gold or Platinum part in the same generation. No chassis replacement required for a mid-cycle processor upgrade.

Integration and Compatibility

The 4XG7A63408 is a Lenovo ThinkSystem option part — meaning it is validated and configured specifically for the ThinkSystem SR630 V2 platform. This is not a standalone retail processor; it ships as part of Lenovo's validated server configuration process. Compatibility with the SR630 V2 is confirmed by the LGA 4189 socket and 3rd Gen Xeon Scalable platform alignment. For VMware ESXi, Microsoft Hyper-V, Red Hat Enterprise Linux, and other enterprise hypervisors and operating systems, compatibility is governed by the underlying Intel Xeon Gold 6346 hardware specifications, which are broadly supported across current enterprise software stacks. Organizations running rack servers in mixed-workload environments — pairing virtualization hosts with dedicated network video recorders or compute nodes — will find the core/clock balance of the Gold 6346 fits general-purpose host roles well. For planning a broader Lenovo server deployment, evaluate the full ThinkSystem SR630 V2 configuration options to ensure processor, memory, and storage selections are validated together. If your environment also requires dedicated network switching infrastructure to support the server, factor PoE budget and uplink capacity into the rack planning phase alongside server power requirements.

Frequently Asked Questions

Q: What server is the Lenovo 4XG7A63408 compatible with?

A: The 4XG7A63408 is a processor option part validated for the Lenovo ThinkSystem SR630 V2. It uses the LGA 4189 socket and is part of the 3rd Generation Intel Xeon Scalable platform supported by that server.

Q: What is the base and boost clock speed of the Xeon Gold 6346 in this configuration?

A: The processor runs at 3.1 GHz base frequency with a turbo boost up to 3.6 GHz on active cores.

Q: How many cores and threads does the 4XG7A63408 provide?

A: It provides 16 physical cores and 32 threads via Intel Hyper-Threading Technology.

Q: What is the TDP of this processor?

A: The Xeon Gold 6346 carries a 205W TDP. Ensure your SR630 V2 power supply and cooling configuration are rated to support this thermal envelope, particularly in dual-socket configurations.

Q: Does this processor support Intel Application Priority (high and low priority cores)?

A: Yes. The Gold 6346 includes 4 high-priority cores running at 3.2 GHz and 12 low-priority cores at 3.0 GHz, enabling hardware-level workload prioritization without OS-level affinity configuration.

Q: Is the 4XG7A63408 a standalone CPU or a server configuration option?

A: It is a Lenovo ThinkSystem option part, validated for use in the SR630 V2 platform. It is not sold as a standalone retail CPU and should be ordered as part of a configured ThinkSystem SR630 V2 system.

Jerry Tildsen

The 4XG7A63408 is one of those processor selections that earns its keep in mixed-workload server environments. The Xeon Gold 6346's combination of 16 cores at 3.1 GHz base with a 3.6 GHz boost ceiling — plus that hardware-level core prioritization between 4 high-priority and 12 standard-priority cores — makes it a genuinely useful fit for SR630 V2 deployments running heterogeneous workloads simultaneously rather than single-purpose compute jobs.

Technical Highlights:

• 3.6 GHz Turbo Boost: On lightly loaded cores, the 500 MHz boost activates automatically — meaningful for database query response times and any latency-sensitive service that doesn't parallelize cleanly across all 16 cores.
• 36 MB L3 Cache: Large enough to hold meaningful working sets for in-memory analytics and frequently accessed database indexes in memory, reducing round-trips to DRAM and improving sustained throughput on cache-friendly workloads.
• Intel Application Priority — 4 High-Priority Cores at 3.2 GHz: This is an underappreciated feature. You get hardware-enforced clock tiering without pinning processes manually — useful in virtualization environments where you want real-time or latency-critical VMs to get preferential execution resources.

Deployment Considerations:

• At 205W TDP, dual-socket SR630 V2 configurations will draw significant power — confirm your PDU and rack power budget before committing to a two-processor build. Thermal management in a dense 1U chassis is not an afterthought at this TDP level.
• This is a Lenovo ThinkSystem option part, not a retail processor — it needs to be configured into an SR630 V2 order. Attempting to source the underlying Intel CPU separately and drop it in may void platform validation, so route this through your standard server configuration process.

The 4XG7A63408 is a practical selection for SR630 V2 builds serving as virtualization hosts in environments where per-core clock speed and workload tiering matter more than maximizing raw core count — enterprise application servers, mid-scale VDI deployments, or dense compute nodes that handle mixed priority workloads within the same chassis.