Lenovo 4XG7A93048 Computer Accessory - Thinksystem ST650 V3 Intel Xeon Gold 6548Y+ 32C 250W 2.5GHZ

Lenovo 4XG7A93048 Intel Xeon Gold 6548Y+ 32-Core Processor Option

Overview

The Lenovo 4XG7A93048 is a factory-configured processor option that installs the Intel Xeon Gold 6548Y+ into the ThinkSystem ST650 V3 rack server. At 32 cores, 64 threads, and a 2.5 GHz base clock with 4.1 GHz boost, this 5th Gen Intel Xeon Scalable option targets compute-dense workloads — virtualization hosts, AI inference stacks, high-throughput databases, and enterprise application servers where single-socket or dual-socket core density directly limits VM consolidation ratios or query concurrency. The 250W TDP communicates clearly: this is a high-performance tier processor, not a power-efficient SKU, so plan thermal and power delivery accordingly before ordering.

Key Features

• 32 Cores / 64 Threads (Intel Xeon Gold 6548Y+): With 32 physical cores and hardware hyperthreading delivering 64 logical processors, this configuration supports high VM consolidation ratios on vSphere or Hyper-V. Each additional VM you can pack onto a single socket reduces per-workload infrastructure cost — 32-core density is a meaningful step up from 16- or 24-core mid-range options in the same family.
• 2.5 GHz Base / 4.1 GHz Boost: The base-to-boost spread of 1.6 GHz gives workload schedulers meaningful headroom. Batch jobs and background services run at 2.5 GHz, preserving burst capacity for latency-sensitive foreground threads that ramp to 4.1 GHz. This matters in mixed-workload environments where a single server hosts both analytical and transactional processes simultaneously.
• Asymmetric Core Architecture (12 High-Priority + 20 Efficiency Cores): The 5th Gen Xeon Gold 6548Y+ uses a heterogeneous core design: 12 high-priority cores clock to 2.7 GHz and handle priority-scheduled workloads, while 20 lower-priority cores operate at 2.3 GHz for background parallelism. OS and hypervisor schedulers that are aware of this topology (Windows Server 2022, RHEL 9, VMware ESXi 8) can route threads appropriately — older guest OSes may need tuning to avoid scheduling latency-sensitive threads on efficiency cores.
• 60 MB Intel Smart Cache: A 60 MB last-level cache significantly reduces main memory round-trips for datasets that fit within cache. In-memory analytics, financial modeling, and real-time telemetry processing all benefit: cache hits execute in nanoseconds versus the tens of nanoseconds required for a DRAM fetch, keeping core utilization high and memory bus contention low.
• LGA 4677 Socket E / 5th Gen Intel Xeon Scalable Platform: The LGA 4677 socket (Socket E) is the platform anchor for 4th and 5th Gen Intel Xeon Scalable processors. Deploying 4XG7A93048 in the ST650 V3 ensures full platform compatibility including PCIe 5.0 lanes, DDR5 memory channels, and Compute Express Link (CXL) 1.1 support — capabilities that earlier Xeon generations on LGA 4189 do not provide.
• 20 GT/s Intel UPI Interconnect: In dual-socket ST650 V3 configurations, the inter-processor link running at 20 GT/s keeps NUMA latency low enough that workloads accessing remote socket memory see reduced penalty. This is particularly relevant for distributed in-memory databases and large-model AI inference jobs that cannot fully partition data to a single socket's local DRAM.
• 7nm Process Node / 250W TDP: Intel's 7nm (Intel 4) fabrication brings improved power efficiency per operation relative to prior-generation 10nm nodes, but the 250W TDP still places this processor in the high-power tier. The ST650 V3 chassis is rated to support this thermal envelope — verify your rack PDU capacity and cooling airflow before deploying in a high-density row.
• 64-bit / 5th Gen Xeon Scalable Instruction Set: Full AVX-512 support, Intel AMX (Advanced Matrix Extensions) for AI/ML tensor acceleration, and Intel TME (Total Memory Encryption) are all present on this generation. If your workloads include inference serving with frameworks like TensorFlow or PyTorch, AMX tiles accelerate INT8 and BF16 matrix operations without a discrete GPU.

Integration & Compatibility

The 4XG7A93048 is a Lenovo-qualified processor option specifically validated for the ThinkSystem ST650 V3 platform. Installation follows Lenovo's field replacement procedure and requires a compatible ST650 V3 chassis with appropriate power supply capacity for the 250W processor TDP. Lenovo's XClarity Administrator (LXCA) and XClarity Controller (XCC) firmware management tools recognize this processor option natively, enabling out-of-band thermal monitoring, power capping, and event alerting without additional drivers. The ST650 V3 supports dual-socket configurations; if deploying two of these processors, verify that both CPU slots, memory risers, and system cooling are properly populated per Lenovo's configuration guide — single-socket operation with CPU 2 slot empty requires a processor filler and specific memory population rules to maintain airflow integrity. DDR5 memory DIMMs and PCIe 5.0 expansion cards must be sourced separately; this part number covers the processor only.

Frequently Asked Questions

Q: What server is the Lenovo 4XG7A93048 compatible with?

A: The 4XG7A93048 is a processor option validated for the Lenovo ThinkSystem ST650 V3 rack server. It installs the Intel Xeon Gold 6548Y+ (32-core, 250W) into the ST650 V3 platform using the LGA 4677 (Socket E) socket.

Q: How many cores and threads does the Intel Xeon Gold 6548Y+ provide?

A: The Xeon Gold 6548Y+ delivers 32 physical cores and 64 threads via Intel Hyper-Threading Technology. It uses an asymmetric architecture with 12 high-priority cores at 2.7 GHz and 20 lower-priority cores at 2.3 GHz base frequency.

Q: What is the TDP of this processor option?

A: The Intel Xeon Gold 6548Y+ carries a 250W TDP. Ensure your ST650 V3 power supply configuration and rack cooling capacity support this thermal envelope before deploying in high-density environments.

Q: Does this processor support AI or machine learning workloads?

A: Yes. As a 5th Gen Intel Xeon Scalable processor, the Xeon Gold 6548Y+ includes Intel Advanced Matrix Extensions (AMX), which accelerates INT8 and BF16 matrix operations used in AI inference frameworks such as TensorFlow and PyTorch — without requiring a discrete GPU for inference at moderate scale.

Q: What is the boost frequency of the Intel Xeon Gold 6548Y+?

A: The processor boosts to 4.1 GHz from a 2.5 GHz base clock, giving latency-sensitive single-threaded workloads meaningful headroom above the sustained all-core frequency.

Q: Does this part include memory or other components?

A: No. The 4XG7A93048 covers the processor option only. DDR5 memory DIMMs, PCIe 5.0 expansion cards, and drives must be ordered separately and configured per Lenovo's ST650 V3 platform guide.

Jerry Tildsen

When I evaluate the 4XG7A93048 for a customer deployment, the detail I focus on first is the asymmetric core topology — 12 high-priority cores at 2.7 GHz paired with 20 efficiency cores at 2.3 GHz. That heterogeneous layout changes how you plan VM placement and OS scheduler settings in ways that a flat 32-core design would not.

Technical Highlights:

• 32C/64T at 250W: You are getting 32 physical cores in a single socket at a 250W envelope — a density that competes well for virtualization consolidation in dual-socket ST650 V3 builds. Running two of these puts 128 logical processors in a 2U chassis.
• 4.1 GHz Boost / 60 MB Cache: The 1.6 GHz base-to-boost headroom combined with a 60 MB last-level cache means latency-sensitive foreground workloads get both fast single-thread burst and large enough cache to avoid frequent DRAM round-trips — a practical combination for mixed OLTP/analytics environments.
• 20 GT/s UPI in Dual-Socket: At 20 GT/s, the inter-socket fabric on this generation keeps remote NUMA access latency lower than prior-gen 10.4 GT/s UPI platforms, which matters if you are running distributed in-memory workloads that cannot cleanly partition to one socket's local memory.

Deployment Considerations:

• The 250W TDP requires that your ST650 V3 chassis is populated with the correct high-wattage power supplies and that rack-level cooling airflow is verified before system bring-up — do not assume a lightly configured ST650 V3 chassis is already spec'd for dual 250W sockets.
• The asymmetric core design (high-priority vs. efficiency cores) requires an OS or hypervisor that understands Intel hybrid topology for optimal thread scheduling; older guest OS images or ESXi versions below 8.0 may schedule latency-sensitive threads on efficiency cores without explicit affinity rules, causing unexpected latency spikes.

This processor option is the right fit for a ThinkSystem ST650 V3 deployment that needs maximum core density for a VMware or OpenShift virtualization host, or for an on-premises AI inference node running INT8/BF16 workloads via Intel AMX — where the alternative would otherwise be adding a discrete GPU at significantly higher cost and power draw.