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Cisco

Cisco HCIX-CPU-I6438M | Xeon Gold 6438M | 32C/64T 2.2GHz, 60MB, 205W | DDR5-4800, 8-ch | LGA4677 | High-capacity memory

SKU:HCIX-CPU-I6438M

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Description

The Xeon Gold 6438M blends 32 cores with an M-suffix for platforms that enable higher per-socket memory capacity. A 2.2GHz base clock, 60MB cache, and DDR5-4800 across 8 channels deliver balanced throughput for large in-memory datasets and virtualization clusters. At 205W, it targets efficient multi-socket deployments on LGA4677 with PCIe 5.0 expandability.

Features

- 32 cores/64 threads with balanced 2.2GHz base frequency
- M-suffix enables higher per-socket memory capacity on supported platforms
- DDR5-4800, 8-channel memory for high bandwidth
- LGA4677 platform with PCIe 5.0 for next-gen adapters
- Suitable for large VM footprints, analytics, and in-memory workloads
- ECC RDIMM support for reliability

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: What does the M suffix mean on 6438M?
A: M indicates support for higher per-socket memory capacity than standard SKUs when paired with compatible platforms. Check your server vendor’s specification for exact limits.

Q: Is this good for memory-heavy virtualization?
A: Yes, the 32-core count and M-suffix memory capability suit large VM densities and in-memory databases, subject to server platform support.

Q: What memory should I deploy?
A: ECC DDR5 RDIMMs up to 4800 MT/s, per the server’s qualified memory list and population guidelines.

Q: Any firmware requirements?
A: Ensure the BIOS/firmware on your LGA4677 server is updated for 4th Gen Xeon and specifically lists the 64xxM SKU for full compatibility.

Technical Specifications

- Model: Xeon Gold 6438M
- Generation: 4th Gen Xeon Scalable (Sapphire Rapids)
- Cores / Threads: 32 / 64
- Base Frequency: 2.2 GHz
- L3 Cache: 60 MB
- Processor Base Power (TDP): 205 W
- Memory Type: DDR5 RDIMM, ECC
- Memory Speed: Up to 4800 MT/s
- Memory Channels: 8
- Socket: LGA4677 (Socket E)
- Platform I/O: PCIe 5.0 capable
- Suffix Notes: M = Expanded per-socket memory capacity versus non-M SKUs (platform-dependent)

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