HPE 826856-B21 – Intel Xeon Gold 5120 14-Core Processor Kit
Overview
The HPE 826856-B21 is a processor upgrade kit featuring the Intel Xeon Gold 5120 (14 cores, 28 threads) designed for HPE ProLiant Gen10 servers requiring higher core-count compute capacity. It operates at a base frequency of 2.20 GHz with turbo up to 3.20 GHz and a 105 W thermal design power, making it suitable for virtualization, database servers or general compute clusters. The kit fits Gen10 platforms (socket FCLGA3647) and integrates into HPE’s server ecosystem for streamlined deployment.
Key Features
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14 cores and 28 threads deliver strong parallel compute for VMs, containers or database front-ends.
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Base clock of 2.20 GHz and up to 3.20 GHz turbo handle mixed workloads efficiently.
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19.25 MB L3 cache supports lower latency data access in multi-threaded tasks.
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105 W TDP keeps power/thermal demands manageable in dual-socket servers even under higher load.

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