Lenovo 4XG7A37953 Xeon Gold 5222 W/o FAN

Lenovo 4XG7A37953 Intel Xeon Gold 5222 Server Processor

Overview

The Lenovo 4XG7A37953 is a 2nd Generation Intel Xeon Gold 5222 processor designed for server and workstation deployment within Lenovo ThinkSystem platforms. Built on Intel's 14nm process node and socketed to LGA 3647 (Socket P), this 4-core, 8-thread CPU runs at a 3.8 GHz base clock with a 3.9 GHz Turbo Boost ceiling — one of the highest sustained frequencies in the Xeon Gold 5000 series, making it a deliberate pick for lightly threaded workloads where per-core throughput matters more than core count. This is a processor-only option; no cooling solution is included, so factor that into your platform bill of materials before ordering.

Key Features

• 3.8 GHz Base / 3.9 GHz Turbo Boost Frequency: Among the highest base clocks in the Xeon Gold 5000 family. If your application is single-threaded or lightly parallel — financial modeling, latency-sensitive databases, EDA simulations — this frequency advantage translates directly to faster per-transaction response times compared to higher-core-count Xeon Gold options running at lower clocks.
• 4 Cores / 8 Threads: A compact core count by enterprise standards. This is intentional: the 5222 trades parallelism headroom for raw clock speed. Deploy it in scenarios where you have a small number of high-priority threads that must run fast, not scenarios that scale horizontally across dozens of vCPUs.
• 17 MB L3 Cache: 17 MB of shared L3 cache for a 4-core die gives each core a comparatively generous cache budget — roughly 4.25 MB per core. This helps keep frequently accessed working sets on-die, reducing main memory latency penalties in cache-sensitive analytics or real-time processing tasks.
• 105W Thermal Design Power: At 105W TDP, the 5222 sits in the mid-range power envelope for this socket class. Plan your chassis airflow and cooling solution accordingly — the processor ships without a heatsink (part number 4XG7A37953 is CPU only), so you will need to source a compatible Lenovo or third-party cooling kit rated for LGA 3647 at 105W or above.
• LGA 3647 (Socket P) Interface: Slots into the same socket used across Lenovo ThinkSystem 1S and 2S platforms that support 2nd Gen Xeon Scalable. This socket compatibility means the 5222 can serve as either a primary or upgrade processor in existing dual-socket ThinkSystem deployments — verify your platform's BIOS and QVL before ordering.
• UPI Bus Interconnect: Intel UPI (Ultra Path Interconnect) handles inter-socket and socket-to-PCH communication. In dual-socket configurations, UPI maintains cache coherency between processors, which matters when both sockets need to share memory or I/O resources without latency spikes.
• 64-Bit Operating Mode / Stepping B1: B1 stepping reflects a mature, production-stable silicon revision. Combined with 64-bit support, this processor handles full enterprise OS stacks and hypervisor loads without constraint from legacy 32-bit addressing limitations.
• 14nm Lithography: Intel's proven 14nm process at this generation offers a known reliability and stability profile in long-lifecycle enterprise deployments. While not the latest node geometry, it is well-characterized for data center thermal and power behavior.

Integration and Compatibility

The 4XG7A37953 is a Lenovo-sourced part specifically validated for Lenovo ThinkSystem server components and ThinkStation workstation platforms supporting the 2nd Generation Intel Xeon Scalable (Cascade Lake) architecture. Before deploying, cross-reference your server's QVL (Qualified Vendor List) and current BIOS version — Lenovo ThinkSystem platform firmware updates are sometimes required to enable Cascade Lake processor support, particularly in systems originally shipped with 1st Gen Xeon Scalable CPUs.

Memory configuration: LGA 3647 / Socket P platforms using 2nd Gen Xeon Scalable support DDR4 DIMMs via the processor's integrated memory controller. The 5222's memory channel configuration follows the standard Xeon Gold 5000 topology — confirm your ThinkSystem's DIMM slot population rules in the platform maintenance manual to avoid running channels in sub-optimal mode.

This processor is not compatible with consumer or HEDT (High-End Desktop) LGA 3647 implementations if any exist — Socket P is an enterprise-only socket with no consumer analog, which simplifies procurement: if your platform uses Socket P and Cascade Lake, the 4XG7A37953 is a direct candidate.

Frequently Asked Questions

Q: Does the 4XG7A37953 include a heatsink or cooling solution?

A: No. The 4XG7A37953 is a CPU-only part — no fan or heatsink is included. You must source a separate LGA 3647-compatible cooling solution rated for 105W TDP or higher before installation.

Q: What socket does the Lenovo 4XG7A37953 use?

A: LGA 3647 (Socket P) — the standard enterprise socket for 1st and 2nd Generation Intel Xeon Scalable processors. It is compatible with Lenovo ThinkSystem 1S and 2S server platforms supporting Cascade Lake CPUs.

Q: What is the base and boost clock speed of the Xeon Gold 5222?

A: The processor runs at 3.8 GHz base with a Turbo Boost ceiling of 3.9 GHz. This is one of the highest sustained base frequencies in the Xeon Gold 5000 series.

Q: How many cores and threads does the 4XG7A37953 support?

A: 4 physical cores with 8 threads via Intel Hyper-Threading. This is a high-clock, low-core-count configuration — suited to latency-sensitive or lightly threaded workloads, not massively parallel jobs.

Q: What is the TDP of the Xeon Gold 5222?

A: 105W. Plan chassis airflow and heatsink selection accordingly, keeping in mind no cooler is bundled with this SKU.

Q: Is this processor compatible with 1st Generation Xeon Scalable platforms?

A: The 5222 is a 2nd Generation (Cascade Lake) part. Some 1st Gen Xeon Scalable platforms can support Cascade Lake after a BIOS update, but compatibility is platform-specific. Verify against your Lenovo ThinkSystem platform's QVL and apply any required firmware updates before installation.