Name: P31246-B21 HPE 1-Port QSFP28 100GbE PCIe 3.0 x16 Network Adapter
Brand: HPE
SKU: P31246-B21
Price: 159.00 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The HP Ethernet MCX515A-CCAT adapter offers a single 100GbE QSFP28 port to deliver high-speed network connectivity and is designed to fit into PCI Express 3.0 x16 slots. It fits well within enterprise and data center environments where fast, reliable network access is essential for handling large data volumes and intensive workloads.

General Information
Brand	HPE
Part Number	P31246-B21

Technical Information
Chipset/Controller	Mellanox ConnectX-5 (MCX515A)
Virtualization Support	SR-IOV, VXLAN, NVGRE, Geneve, NetQueue, vNIC
Data Rate (Speed)	50GbE
Data Center Bridging	Yes
Storage Over Ethernet	iSCSI, SMB Direct
Interface (Bus)	PCIe 3.0 x16
Number of Ports	1-Port
OS Compatibility	Windows Server 2022, VMware ESXi 8.0, RHEL, VMware ESXi
Network Management	SNMP, RMON, NC-SI
Offload Support	RDMA, RoCE v2, iSCSI, PXE Boot, RoCE v1, iWARP, TCP Stateless Offload, Jumbo Frames
Bracket Height	Both Brackets Included

Connectivity & Physical
Form Factor	Standard PCIe Card
Port Type	QSFP28
Cabling Type	AOC
Weight	5.00
Condition	Refurbished

Miscellaneous
Assembly Required	Yes
Eco Friendly	Yes
Compliance Standards	WEEE, RoHS, CE, FCC, UL, TUV, cULus

Product Description
This HP Ethernet MCX515A-CCAT network adapter provides a single QSFP28 port capable of 100 Gigabit Ethernet connectivity. It is built for environments requiring fast, reliable data transfer, such as large-scale servers and data centers. Often found in enterprise networking setups, this adapter supports high bandwidth applications and virtualization needs. IT professionals and network administrators benefit from its robust PCIe 3.0 x16 interface, ensuring efficient data handling and low latency. Key Features Offers a full 100GbE connection via QSFP28 Uses PCIe 3.0 x16 for optimal data throughput Supports advanced networking protocols and offloads Compatible with HP server platforms for seamless integration Built to handle data-heavy workloads in server clusters This adapter is typically deployed in data centers supporting cloud computing, virtualization, and large-scale storage networks. Its role is critical where high-speed network access and low latency are required for smooth operation.

Use Cases
The HPE 1-Port QSFP28 100GbE PCIe 3.0 x16 Network Adapter is engineered for high-performance networking in data center and enterprise environments that demand rapid data transfer and low latency. It is suited for IT teams managing large-scale virtualization, storage, and compute infrastructure where bandwidth-intensive workloads are common. How It's Used: Connecting rack-mounted servers to high-speed storage clusters in hyperscale data centers. Enabling low-latency links for financial services firms running real-time trading applications. Facilitating network virtualization in cloud infrastructure environments requiring scalable throughput. Supporting video streaming and media production workflows with large file transfers in enterprise IT setups. Integrating into edge computing nodes that process and transmit data quickly back to central data centers. This adapter enhances network throughput and efficiency for demanding workloads, helping organizations scale their infrastructure with minimal bottlenecks. Its compatibility with PCIe 3.0 x16 slots ensures integration into existing server platforms while providing the necessary performance for future network growth.

P31246-B21 HPE 1-Port QSFP28 100GbE PCIe 3.0 x16 Network Adapter

Product Overview

General Information

Technical Information

Connectivity & Physical

Miscellaneous

Product Description

Use Cases