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Cisco

Cisco UCS-CPU-I6238R | Xeon Gold 6238R | 28C/56T, 2.2GHz base, up to 4.0GHz Turbo, 38.5MB L3, 165W TDP, DDR4-2933 6‑channel, 3× UPI 10.4GT/s, LGA3647

SKU:UCS-CPU-I6238R

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Description

High‑density 28‑core CPU designed for virtualized, cloud, and analytics workloads. Delivers robust multi-threaded performance with AVX‑512 and support for Intel Optane persistent memory for large in-memory datasets. Ideal for dual‑socket enterprise servers needing maximum core count with balanced power draw.

Features

- 28 cores for high VM and container density
- Up to 4.0 GHz Turbo for strong per‑thread responsiveness
- AVX‑512 acceleration for HPC and analytics
- DDR4‑2933 and Optane support for large in‑memory datasets
- Triple UPI links for fast inter‑socket communication
- Enterprise‑grade security features including SGX and TXT
- Optimized for 2S scalable server platforms

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: Is this CPU suitable for dual‑socket servers?
A: Yes, the Gold 6238R supports 2‑socket (2S) configurations with 3 UPI links for high inter‑CPU bandwidth.

Q: What memory speed is supported?
A: It supports ECC DDR4 memory up to 2933 MT/s across six channels per socket and Intel Optane DC Persistent Memory.

Q: Does it support AVX‑512?
A: Yes, it includes AVX‑512 with two FMA units for high floating‑point throughput.

Q: What workloads benefit most?
A: Dense virtualization, private cloud, big data analytics, and scale‑out databases benefit from its 28 cores and large cache.

Technical Specifications

- Processor model: Xeon Gold 6238R (Cascade Lake Refresh, 2nd Gen Xeon Scalable)
- Cores / Threads: 28 / 56
- Base frequency: 2.2 GHz
- Max Turbo frequency: up to 4.0 GHz
- Intel Smart Cache (L3): 38.5 MB
- TDP: 165 W
- Memory support: 6‑channel DDR4‑2933, ECC, Intel Optane DC Persistent Memory
- UPI: 3 links at 10.4 GT/s
- Socket: FCLGA3647
- Instruction sets: AVX‑512 (2 FMA), AES‑NI, SSE4.2
- Virtualization: Intel VT‑x/VT‑d, EPT
- Security: Intel SGX, TXT, Boot Guard
- Max scalable sockets: 2S (dual‑socket)
- Process technology: 14 nm

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