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Cisco

Cisco UCS-CPU-6138T | Xeon Gold 6138T | 20C/40T 2.0 GHz base, up to 3.7 GHz turbo | 27.5 MB L3 | 125W TDP | DDR4-2666, 6-ch | LGA3647 | 3x UPI 10.4 GT/s | PCIe 3.0 x48 | AVX-512

SKU:UCS-CPU-6138T

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Description

Versatile 20-core CPU tailored for balanced performance and thermals in dual-socket enterprise servers. The Xeon Gold 6138T offers strong throughput with AVX-512 acceleration and six-channel DDR4-2666 memory support on the LGA3647 platform.

Features

- 20-core scalability for mixed enterprise workloads
- Balanced 125W TDP for dense rack deployments
- Six-channel memory for high aggregate bandwidth
- AVX-512 acceleration for compute-heavy tasks
- Triple UPI links for efficient dual-socket interconnect

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: How does the 6138T differ from the 6138?
A: Both are 20-core Skylake-SP CPUs with similar clocks and cache; the T variant is tuned for specific thermal and platform requirements. Check your server vendor’s CPU support list.

Q: Is this suitable for virtualization clusters?
A: Yes, the 20-core design and VT-x/VT-d support make it well-suited for hypervisor and container platforms.

Q: What memory configuration is recommended?
A: Populate six DIMMs per CPU (one per channel) for optimal bandwidth; use matched DDR4-2666 RDIMM/LRDIMM modules.

Technical Specifications

- Processor: Intel Xeon Gold 6138T (Skylake-SP)
- Cores/Threads: 20/40
- Base/Turbo Frequency: 2.0 GHz / up to 3.7 GHz
- L3 Cache: 27.5 MB
- TDP: 125 W
- Socket: LGA3647 (Socket P)
- Memory Support: DDR4-2666, 6 channels per CPU
- Interconnect: 3x UPI at 10.4 GT/s
- PCIe Lanes: 48 (PCIe 3.0)
- Instruction Sets: Intel 64, VT-x/VT-d, AES-NI, AVX-512

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