How many network ports does this adapter provide?

The adapter provides 2 Ethernet ports. The interface specification lists 2 x 10Gb Ethernet and 25Gb Ethernet SFP28, so the card is a dual-port network adapter.

What connector type is used on the ports?

The ports use SFP28 interfaces. The provided specifications state 10Gb Ethernet and 25Gb Ethernet SFP28, which identifies the port connector class used on the adapter.

What bus interface does this adapter use?

The adapter uses PCIe 4.0. The product data lists the PCI specification revision as PCIe 4.0, which is the bus interface relevant for server integration.

What form factor is this network adapter designed for?

It is an Open Compute Project 3.0 mezzanine adapter. The specifications also identify it as a plug-in card, which helps define how it fits into compatible server platforms.

Which Ethernet speeds are listed for this adapter?

The listed data link protocols are Gigabit Ethernet, 10 Gigabit Ethernet, and 25 Gigabit Ethernet. The port specification specifically identifies 10Gb Ethernet and 25Gb Ethernet SFP28 interfaces.

What is the operational power consumption?

Operational power consumption is specified at 13 watts. This figure is useful for power budgeting in server deployments and rack-level planning.

P42041-B21 - HPE P42041-B21 10/25Gb SFP28 OCP3 Adapter

Name: HPE P42041-B21 10/25Gb SFP28 OCP3 Adapter
Brand: HPE
SKU: P42041-B21
Price: 448 USD
Availability: InStock

P42041-B21 - HPE P42041-B21 10/25Gb SFP28 OCP3 Adapter | US IT Hardware

Product overview

The Hewlett Packard Enterprise P42041-B21 is a Mellanox MCX631432AS-ADAI Ethernet network adapter for HPE servers. It is a dual-port adapter with 10Gb Ethernet and 25Gb Ethernet SFP28 interfaces, designed in an Open Compute Project 3.0 mezzanine form factor. The adapter uses a PCIe 4.0 bus interface and supports wired connectivity. It is identified as a plug-in card and belongs to the OCP 3.0 Ethernet adapter category. Supported data link protocols include Gigabit Ethernet, 10 Gigabit Ethernet, and 25 Gigabit Ethernet. The listed network and transport protocols include iSCSI, IPv4, and IPv6. Operational power consumption is specified at 13 watts. This product is positioned for enterprise environments and fits the needs of procurement teams looking for a defined dual-port SFP28 adapter with OCP 3.0 and PCIe 4.0 support.

Dual-port 10/25Gb SFP28
OCP 3.0 mezzanine form factor
PCIe 4.0 bus interface
Supports Gigabit to 25Gb Ethernet
Includes iSCSI, IPv4, IPv6
13 Watt operational power

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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

Product Line
Manufacturer part #	P42041-B21
Brand	HPE
Condition	Refurbished
Model	Mellanox MCX631432AS-ADAI Ethernet 10/25Gb 2-port SFP28 OCP3 Adapter for HPE
Series	HPE Gen10 Plus Ethernet Adapters
Features	Wake on LAN (WOL); RDMA support; PXE support; Receive Side Scaling (RSS); UEFI support; Single Root I/O Virtualization (SR-IOV); RDMA over Converged Ethernet (RoCE); RoCE v2; Virtual Extensible LAN (VXLAN); Network Virtualization using Generic Routing Encapsulation (NVGRE); secure boot; VMware NetQueue; Microsoft Virtual Machine Queue (VMQ); Data Plane Development Kit (DPDK); GENEVE support; hardware root of trust
Interfaces	2 x 10Gb Ethernet/25Gb Ethernet SFP28
Part Class	HPE Option Part
Form Factor	Plug-in card; OCP 3.0 mezzanine

Compatible systems

Adapter P42041-B21 is used in select HPE ProLiant Gen10 and Gen10 Plus rack servers including Apollo 4200 and DL-series.

Hewlett Packard Enterprise ProLiant
Model: Apollo 4200 Gen10
Form factor: Rack
Generation: Gen10
Listed as designed for Apollo 4200 Gen10 on serverSupply page for P42041-B21.
Hewlett Packard Enterprise ProLiant DL
Model: DL325 Gen10
Form factor: Rack
Generation: Gen10
CDW lists P42041-B21 as for ProLiant DL325 Gen10.
Hewlett Packard Enterprise ProLiant DL
Model: DL345 Gen10
Form factor: Rack
Generation: Gen10
CDW lists P42041-B21 as for ProLiant DL345 Gen10.
Hewlett Packard Enterprise ProLiant DL
Model: DL360 Gen10
Form factor: Rack
Generation: Gen10
CDW lists P42041-B21 as for ProLiant DL360 Gen10.
Hewlett Packard Enterprise ProLiant DL
Model: DL380 Gen10
Form factor: Rack
Generation: Gen10
CDW lists P42041-B21 as for ProLiant DL380 Gen10.

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Product Type	Network adapter

Data Link Protocols	Gigabit Ethernet; 10 Gigabit Ethernet; 25 Gigabit Ethernet

Connectivity Technology	Wired

Designed For HPE Servers	Select HPE ProLiant Gen10, Gen10 Plus and Gen11 servers including Apollo 4200 Gen10, ProLiant DL325 Gen10, DL345 Gen10, DL360 Gen10, DL380 Gen10

PCI Specification Revision	PCIe 4.0

Power Consumption Operational	13 Watt

Networking Ports & Interfaces

Ports	2 Ports
Ethernet Port Type	10Gb Ethernet / 25Gb Ethernet SFP28 x 2
Interface (Bus) Type	Open Compute Project mezzanine (OCP) 3.0
Network / Transport Protocols	iSCSI; IPv4; IPv6; RDMA over Converged Ethernet (RoCE); RoCE v2; VXLAN; NVGRE; GENEVE

HPE P42041-B21 10/25Gb SFP28 OCP3 Adapter