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Cisco

Cisco UCS-CPU-A9645 | 9645 | 2.3 GHz base | 96-core | 256MB L3 | 320W TDP | DDR5-6000 | PCIe 5.0 | Socket SP5

SKU:UCS-CPU-A9645

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Description

Compute-dense 96-core server CPU for scale-out UCS deployments where high thread throughput and memory bandwidth are critical. Offers robust cache and next‑gen DDR5/PCIe Gen5 I/O on SP5 to accelerate virtualization clusters, data analytics, and microservices.

Features

- 96-core density for maximum thread throughput
- DDR5-6000 memory support for exceptional bandwidth (platform dependent)
- PCIe 5.0 lanes for cutting-edge storage and networking
- Optimized for large virtualization clusters and cloud workloads
- SP5 socket compatibility with current-gen UCS compute 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: Will this 9645 work in dual-socket UCS servers?
A: Yes, it is suitable for multi-socket SP5 UCS systems per the platform’s supported CPU list.

Q: Do I need to update firmware before installation?
A: Yes. Update BIOS/firmware to a release that supports 9004-series SP5 CPUs as per the UCS HCL.

Q: Does the CPU ship with a heatsink?
A: Heatsinks and carriers are typically part of the UCS chassis/CPU kit. Verify your server BOM for required accessories.

Q: What memory configuration is recommended?
A: Use qualified ECC DDR5 RDIMMs; follow UCS population guidelines to balance channels and maximize bandwidth.

Technical Specifications

- Processor model: 9645
- Cores/threads: 96 cores (multi-threaded)
- Base frequency: 2.3 GHz
- L3 cache: 256 MB
- TDP: 320 W
- Memory support: DDR5 up to 6000 MT/s (ECC RDIMM; platform dependent)
- I/O: PCI Express 5.0
- Socket: SP5 (LGA 6096)
- Workloads: Virtualization, cloud-native, analytics, scale-out databases

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