Learn more about the HPE P40456-B21
Model| Brand | HPE |
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| Series | ProLiant DL560 Gen10 |
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| Model | P40456-B21 |
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Details| Type | Rack |
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| Rack Height | 2U |
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Processor| CPU Type | Intel Xeon Gold |
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| CPU Speed | 6254 (3.10 GHz) |
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| CPU Socket | LGA 3647 |
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| Number of CPU Cores | 18-Core Processor |
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| Cache Memory | 24.75MB L3 Cache |
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| # of Processors Installed | 4 |
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Memory| Installed Memory Size | 256GB |
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| Memory Type | HPE DDR4 SmartMemory and HPE Persistent Memory |
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| Memory Features | 256GB (8 x 32GB) RDIMM |
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Storage| Storage Controller | 1 HPE Smart Array P408i-a SR Gen10 Controller |
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Networking| Ethernet Controller | HPE Ethernet 10Gb 2-port FLR-T BCM57416 Adapter |
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| Remote Management | HPE iLO Standard with Intelligent Provisioning (embedded), HPE OneView Standard (requires download) HPE iLO Advanced, HPE iLO Advanced Premium Security Edition and HPE OneView Advanced (optional require licenses) |
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Expansion & Ports| Expansion Slots | 6 PCIe 3.0 |
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Power| Power Characteristics | 2 1600W Flex Slot Platinum hot plug power supply |
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Dimensions & Weight| Dimensions | 3.44" x 17.54" x 29.71" |
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Additional Information| First Listed on Newegg | February 22, 2026 |
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Customer Reviews of the HPE P40456-B21
