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Cisco UCS-CPU-I6238M | Xeon Gold 6238M | 22C/44T, 2.1 GHz base, up to 3.9 GHz Turbo, 30.25 MB L3, 140W TDP, DDR4-2933 6-ch, 3x UPI 10.4 GT/s, LGA3647, 2 TB max mem (M variant), PCIe 3.0 x48

SKU:UCS-CPU-I6238M

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Description

Xeon Gold 6238M brings 22-core performance with medium expanded memory capacity for Cisco UCS, ideal for virtualization hosts and mixed workloads that benefit from larger memory footprints without moving to ‘L’ class. Supports DDR4-2933 across 6 channels and Optane DC Persistent Memory.

Features

- 22 cores with strong per-socket performance for mixed enterprise workloads
- Medium memory enablement up to 2 TB per CPU
- 6-channel DDR4-2933 and 3 UPI links for balanced throughput
- Support for Intel Optane DC Persistent Memory
- Robust RAS and virtualization feature set for uptime and consolidation

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?
A: ‘M’ indicates medium memory enablement—up to 2 TB per CPU—balancing capacity and cost.

Q: Is the 6238M suitable for virtualization clusters?
A: Yes. Its 22 cores, high memory bandwidth, and 2 TB capacity make it a strong fit for dense VM consolidation.

Q: Do I need platform updates?
A: Ensure your UCS server has the required BIOS/firmware supporting 2nd Gen Xeon Scalable and the specific CPU stepping.

Q: Can I mix M and non-M CPUs in a dual-socket system?
A: No. Use matched CPUs (same model/suffix and stepping) for supported dual-socket operation.

Q: Is a heat sink included?
A: Heat sinks are generally not included; select the correct UCS thermal kit for your chassis.

Technical Specifications

- Model: Xeon Gold 6238M (2nd Gen Xeon Scalable, Cascade Lake-SP, Medium Memory)
- Cores / Threads: 22 / 44
- Base / Turbo Frequency: 2.1 GHz / up to 3.9 GHz
- Intel Smart Cache (L3): 30.25 MB
- TDP: 140 W
- Memory Channels: 6
- Memory Type & Speed: DDR4-2933, ECC
- Max Memory Capacity (per CPU): up to 2 TB (M variant)
- Intel Optane DC Persistent Memory: Supported
- UPI Links: 3 x 10.4 GT/s
- PCIe Lanes: 48 (PCIe 3.0)
- Socket: LGA3647
- Instruction Set Extensions: AVX-512 (2 FMA), Intel DL Boost (VNNI), AVX2, SSE4.2
- Virtualization: Intel VT-x, VT-d, EPT
- Process Technology: 14 nm

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