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Cisco

Cisco HX-CPU-I8276 | Platinum 8276 CPU | 28-core 2.2GHz, Turbo 4.0GHz, 38.5MB L3, 165W TDP, DDR4-2933 6-ch, LGA3647, 48 PCIe 3.0, AVX-512, Optane DC PMem

SKU:HX-CPU-I8276

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Description

The Platinum 8276 delivers 28 cores with efficient 165W TDP, ideal for scale-out compute, virtualization clusters, and in-memory databases. With DDR4-2933, AVX-512, and Optane DC PMem support, it balances throughput, memory capacity, and power.

Features

- 28 cores with strong multi-threaded throughput at 165W TDP
- Six-channel DDR4-2933 for high memory bandwidth
- AVX-512 and DL Boost for vector and AI workloads
- Supports Optane DC Persistent Memory for larger memory footprints
- 48 PCIe 3.0 lanes for flexible I/O scaling
- Triple UPI links improve inter-socket bandwidth in multi-CPU nodes

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 distinguishes the 8276 from higher-TDP models?
A: It offers 28 cores at a 165W TDP, delivering strong multi-core performance with improved power efficiency.

Q: Is BIOS/firmware update required?
A: Many platforms require a BIOS supporting 2nd Gen Xeon Scalable and the specific microcode; check your vendor’s release notes.

Q: Does it support AVX-512?
A: Yes, with dual 512-bit FMA units for vector-intensive workloads.

Q: What memory population rules apply?
A: Six channels per CPU; populate channels evenly to maximize bandwidth and maintain DDR4-2933 speeds.

Q: Can I use this in multi-socket configurations?
A: Yes, it supports multi-socket operation; consult your platform for maximum supported sockets.

Technical Specifications

- Model: Xeon Platinum 8276 (2nd Gen Xeon Scalable, Cascade Lake)
- Cores/Threads: 28/56
- Base/Turbo Frequency: 2.2 GHz / up to 4.0 GHz
- L3 Cache: 38.5 MB
- TDP: 165 W
- Memory Support: 6-channel DDR4-2933, ECC RDIMM/LRDIMM
- Max Memory Capacity (per socket): up to 1.0 TB; supports Intel Optane DC Persistent Memory
- Socket: FCLGA3647
- UPI Links: 3 × 10.4 GT/s
- PCIe: 48 lanes, PCIe 3.0
- Instruction Set: Intel AVX-512, Intel DL Boost
- Scalability: Multi-socket capable (up to 8S platform dependent)

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