How many network ports are available on the Mellanox MCX631102AS-ADAT for HPE?

The Mellanox MCX631102AS-ADAT Ethernet adapter for HPE is described as a 2-port solution. This means it offers two Ethernet connections from a single PCIe adapter. The dual-port design supports configurations that require separate network paths, additional bandwidth, or more flexible connectivity options per server.

What interface type is used by the P42046-001 adapter ports?

The P42046-001 is specified as a 2-port SFP28 Adapter, indicating that each Ethernet port uses an SFP28 interface. SFP28 is associated with 10/25Gb Ethernet connectivity, aligning with the adapter’s Ethernet 10/25Gb designation. This allows the card to integrate into infrastructures designed around SFP28-based optics and cabling.

Is the MCX631102AS-ADAT adapter intended for HPE platforms?

Yes, the product is named Mellanox MCX631102AS-ADAT Ethernet 10/25Gb 2-port SFP28 Adapter for HPE, indicating that it is intended for use within HPE environments. The designation for HPE helps IT teams align this adapter with HPE servers and related platform guidelines during planning and deployment.

What is the role of the SKU P42046-001 for this network adapter?

P42046-001 is the SKU associated with this HPE Mellanox MCX631102AS-ADAT Ethernet 10/25Gb 2-port SFP28 Adapter. Using this specific SKU helps procurement and logistics teams accurately identify the adapter in catalogs, purchase orders, and inventory systems, reducing the risk of ordering a different or incompatible network card.

P42046-001 - HPE P42046-001 10/25Gb 2-port SFP28 network adapter

Name: HPE P42046-001 10/25Gb 2-port SFP28 network adapter
Brand: HPE
SKU: P42046-001
Price: 340 USD
Availability: InStock

P42046-001 - HPE P42046-001 10/25Gb 2-port SFP28 network adapter | US IT Hardware

Product overview

The HPE Mellanox MCX631102AS-ADAT Ethernet 10/25Gb 2-port SFP28 Adapter for HPE with SKU P42046-001 is a dual-port PCIe Ethernet solution designed for environments requiring 10 or 25 Gigabit connectivity. It provides two SFP28 interfaces to support 10 Gb and 25 Gb Ethernet operation, enabling flexible deployment across different network speeds. As a PCIe Ethernet adapter, it is suited for integration into HPE platforms where standardized expansion slots are available. The dual-port SFP28 configuration allows higher link density per server compared to single-port options, which is important for consolidated and scalable network designs. This adapter is appropriate for IT teams standardizing on SFP28 optics and cabling, providing a consistent interface for uplinks and aggregation links. With its defined 10/25Gb capability and two-port layout, the adapter supports a range of data center and enterprise networking architectures focused on Ethernet-based connectivity.

Ethernet 10/25Gb dual-speed connectivity
Dual-port configuration for two network links
SFP28 interface on both Ethernet ports
Designed for HPE environments and platforms
Mellanox MCX631102AS-ADAT adapter model
SKU P42046-001 for consistent procurement

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	P42046-001
Brand	HPE
Condition	Refurbished
Model	P42046-001
Series	ConnectX-6 Lx
Chipset	Mellanox ConnectX-6 Lx (MCX631102AS-ADAT)
Technology	ConnectX-6 Lx EN (Ethernet only)
Form Factor	Plug-in card
Cabling Type	Passive copper and active optical SFP28 cables supported
Product Line	HPE Ethernet Adapters
Product Type	Network adapter

Best for

Data center networking
Suitable for data center environments standardizing on Ethernet 10/25Gb links, using the dual-port SFP28 design to connect servers into aggregation or access layers.
Server I O expansion
Provides additional Ethernet 10/25Gb connectivity for servers through its PCIe Ethernet adapter form factor and two SFP28 ports.
HPE platform integration
Designed as a Mellanox MCX631102AS-ADAT Ethernet 10/25Gb 2-port SFP28 Adapter for HPE, making it appropriate for deployments aligned with HPE server platforms.
Converged Ethernet fabrics
Useful in converged network designs that rely on Ethernet 10/25Gb over SFP28 interfaces, leveraging the dual-port configuration for flexible fabric connectivity.
Migration to 25GbE
Supports both 10Gb and 25Gb Ethernet operation, enabling gradual migration from 10Gb to 25Gb while retaining SFP28-based connectivity.

Frequently asked questions

What Ethernet speeds does the HPE P42046-001 adapter support?

Details

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Auxiliary Power	3.3 V auxiliary voltage, maximum 100 mA current

Target Platforms	HPE ProLiant Gen10 Plus and Gen11 servers

PCI Express Lanes	x8

Security Features	Hardware root of trust and secure firmware update for ConnectX-6 Lx EN adapters

Data Link Protocols	10 Gigabit Ethernet and 25 Gigabit Ethernet

Maximum Board Power	Under 10 W at full Ethernet load for dual-port SFP28 ConnectX-6 Lx EN adapters

Offload Technologies	Advanced Ethernet stateless offloads including checksum and TSO/LRO

PCI Express Generation	PCI Express Gen 4

Connectivity Technology	Wired

Controller Architecture	NVIDIA ConnectX-6 Lx single-chip Ethernet controller

Virtualization Features	SR-IOV, virtual functions and virtualization acceleration for Ethernet workloads

PCI Specification Revision	PCIe 3.0 and PCIe 4.0

Maximum Power (Board Level)	Typical maximum power under 10 W for ConnectX-6 Lx EN dual-port SFP28 adapters

Supported Operating Systems	Linux, Windows Server, VMware ESXi (via HPE and NVIDIA driver support for MCX631102AS-ADAT)

Link Training and Negotiation	Auto-negotiation between supported 10GbE and 25GbE link speeds on SFP28 ports

Performance

Data Transfer Rate	10/25Gb Ethernet
Internal PCIe Bandwidth	PCIe 4.0 x8 interface capable of up to 16 GT/s per lane
Maximum Theoretical Bidirectional Bandwidth	Up to 50 Gb/s aggregate Ethernet bandwidth (2 x 25 Gb/s ports)

Auxiliary Voltage Rail	3.3 V auxiliary supply with 100 mA maximum current draw

Networking Ports & Interfaces

Ports	2 Ports SFP28
Port Type	SFP28
Connector Type	SFP28
Host Interface	PCIe 4.0 x8
Interface Type	PCI Express 4.0 x8
Number of Ports	2
Network Technology	Ethernet
SFP28 Port Type Detail	Dual SFP28 cages for optical or passive copper Ethernet transceivers
Supported Ethernet Speeds	1GbE; 10GbE; 25GbE
Interface (Bus) Type Detail	PCI Express 4.0 x8, backwards compatible with PCIe 3.0
Management Interface Support	Out-of-band management via PCIe and support for standard NIC management utilities on supported OSes
Protocol Data Rates Supported	1 Gb/s, 10 Gb/s, and 25 Gb/s Ethernet line rates
Virtual Network Interface Functions	Single Root I/O Virtualization (SR-IOV) virtual functions for partitioning the physical NIC
Supported Ethernet Protocol Standard	IEEE 802.3 Ethernet for 10GbE and 25GbE operation

HPE P42046-001 10/25Gb 2-port SFP28 network adapter