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    HomeShopCPUCisco CPUUCS-CPU-E78891B Cisco 3.20GHz 8.00GT/s QPI 37.5MB L3 Cache
    Cisco-UCS-CPU-E78891B

    UCS-CPU-E78891B Cisco 3.20GHz 8.00GT/s QPI 37.5MB L3 Cache

    UCS-CPU-E78891B Overview

    The Cisco UCS‑CPU‑E78891B is Cisco’s OEM-branded version of the Intel Xeon E7‑8891 v2 processor, part of Intel’s Ivy Bridge‑EX (E7 v2) series. It features 10 physical cores and 20 threads, running at a base clock of 3.20 GHz, which can turbo boost up to 3.70 GHz when thermal and power conditions allow.
    With a generous 37.5 MB L3 cache, triple 8 GT/s QPI links, and support for quad‑channel DDR3‑1600 ECC memory—up to 1.5 TB per socket—this CPU is built for enterprise-grade scalability and high‑speed inter-socket communication.

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    SKU: UCS-CPU-E78891B Categories:Cisco CPU, CPU Tags:10 Core, 3.20GHz, 37.5MB, 8.00GT/s, Processor Upgrade, QPI, v2 Brand: Cisco
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    UCS-CPU-E78891B Technical Specifications

    Cisco 3.20GHz 8.00GT/s QPI 37.5MB L3 Cache Intel Xeon E7-8891 v2 10 Core Processor Upgrade

    Brand Intel
    Cisco UCS
    Part No. UCS-CPU-E78891B
    Processor Type Server Processor
    Processor Family E7-8800v2
    Series Intel Xeon Scalable Processor
    Core Model Type/ProcNo. E7-8891v2
    Processor Code Name Ivy Bridge
    Core Stepping D1
    Manufacturing Technology 22 nm
    # of 10 Core
    # of Threads 20
    Clock Speed 3.20 GHz
    L3 Cache Size 37.5MB Cache
    Front Side Bus / QuickPath Interconnect 8.00 GT/s QPI
    Thermal Power 155 Watts
    CPU Socket Type LGA 2011
    Product Condition OEM

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