What host interface does it require?

The listed host interface is PCIe 3.0 x8. Buyers can use that specification to confirm the server slot or platform lane configuration before deployment.

Is this an OCP adapter card?

Yes, the product is categorized as an OCP 2.0 Type 1 card. The provided data also says it is a no-bracket adapter, which aligns with an OCP-style mezzanine deployment model.

How many networking ports are listed?

The product data identifies it as a single-port adapter. Combined with the 25GbE SFP28 specification, that confirms one networking port is defined in the provided information.

What product identifier should be used for procurement records?

The provided product identifier is SKU 900-9X414-0013-SN1, and the model is MCX4411A-ACAN. Those two fields are the most direct identifiers in the supplied data.

900-9X414-0013-SN1 - NVIDIA 900-9X414-0013-SN1 25GbE SFP28 Ethernet Adapter

Name: NVIDIA 900-9X414-0013-SN1 25GbE SFP28 Ethernet Adapter
Brand: NVIDIA
SKU: 900-9X414-0013-SN1
Price: 128 USD
Availability: InStock

900-9X414-0013-SN1 - NVIDIA 900-9X414-0013-SN1 25GbE SFP28 Ethernet Adapter | US IT Hardware

Product overview

NVIDIA MCX4411A-ACAN is an Enterprise Ethernet adapter card identified by SKU 900-9X414-0013-SN1. It is categorized as a 25GbE single-port SFP28 adapter with PCIe 3.0 x8 connectivity and an OCP 2.0 Type 1 form factor. The provided product data also indicates that it is a card with no bracket. This combination places it in a server and data center networking context where a compact, standards-based adapter is required. No additional port counts, speeds, or interface details are stated beyond the listed specifications. Buyers evaluating this model can use the SKU, model, and form-factor details to match it to OCP 2.0 Type 1 systems and procurement records. The product level is Enterprise, which identifies it as intended for business and infrastructure deployments.

25GbE single-port SFP28 adapter
PCIe 3.0 x8 host interface
OCP 2.0 Type 1 form factor
No bracket design
Enterprise product level
NVIDIA MCX4411A-ACAN model

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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 Type
Manufacturer part #	900-9X414-0013-SN1
Brand	NVIDIA
Condition	Refurbished
Model	MCX4411A-ACAN
Series	ConnectX-4 Lx EN OCP 2.0 Ethernet adapter cards
Generation	ConnectX-4 Lx
Part Class	OCP 2.0 Type 1
Technology	Ethernet
Form Factor	OCP
Packet Rate	Up to 75 million packets per second (Mpps) message rate
Product Line	ConnectX-4 Lx EN

Compatible systems

Confirmed as an NVIDIA ConnectX-4 Lx EN OCP 2.0 Type 1 25GbE single-port network adapter.

Best for

OCP servers
Suitable for systems that use the OCP 2.0 Type 1 form factor. The provided data identifies this as a no-bracket adapter card designed around that standard.
25GbE uplinks
Fits deployments that require a 25GbE single-port SFP28 network adapter. The stated interface and speed class define the intended network connection.
PCIe-based installs
Applicable where PCIe 3.0 x8 connectivity is required. The adapter specification explicitly lists this host interface.
Enterprise networking
Relevant for enterprise environments. The product level is identified as Enterprise in the provided data.

Frequently asked questions

What network speed does this adapter support?

Details

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RoCE Support	RoCE and RoCE v2 (RDMA over Converged Ethernet) over the Ethernet port

Cable Support	Supports passive copper cables with ESD protection

RDMA Technology	RDMA over Converged Ethernet (RoCE and RoCE v2)

GPUDirect Support	NVIDIA GPUDirect RDMA support

OCP Specification	OCP Spec 2.0

Flow Control Features	Priority-based flow control and pause frame support

Onboard Buffer Memory	Embedded packet buffering (exact capacity not specified, but dedicated onboard buffering present)

Supported Media Types	SFP28 passive copper cables and optical modules

Virtualization Features	SR-IOV, VirtIO acceleration, multi-queue support

Stateless Offload Engines	Hardware offload for checksum, TCP segmentation offload (TSO), large receive offload (LRO), RSS and header splitting

Overlay Tunneling Offloads	Hardware acceleration for VXLAN, NVGRE and GENEVE encapsulation and decapsulation

Auto-Negotiation Data Rates	Supports 1 GbE, 10 GbE, and 25 GbE link speed negotiation on the SFP28 port

Quality of Service Features	Priority-based flow control (PFC), enhanced transmission selection (ETS), congestion notification (CN)

Supported Operating Systems	Linux and Windows server operating systems (via NVIDIA Mellanox OFED and WinOF drivers)

Virtualization and Multi-Queue	SR-IOV virtual functions and multiple transmit/receive queues per port

Performance

Maximum Ethernet Bandwidth	Up to 25 Gb/s on this single-port configuration
Typical End-to-End Latency	Sub-microsecond latency
Controller Capable Aggregate Bandwidth	ConnectX-4 Lx EN controller supports up to 50 Gb/s Ethernet (across product family)

Typical Power Consumption	Approximately 6 W (typical for single-port 25GbE ConnectX-4 Lx EN OCP 2.0 card)

Networking Ports & Interfaces

Port Count	1 port
Connector Type	SFP28
Ethernet Speed	25 GbE
Host Interface	PCIe 3.0 x8
Host Management	Without host management
PCIe Lane Width	x8 PCI Express edge connector
PCIe Power Source	Powered from host system through PCIe edge connector and OCP 2.0 interface, no external power connector required
SFP28 Port Function	One SFP28 cage for copper or optical 25 GbE connections
Management Interface	Without host management
Overlay Network Support	Hardware offload for VXLAN, NVGRE and GENEVE overlay tunnels
Ethernet Controller Family	NVIDIA Mellanox ConnectX-4 Lx EN controller
Supported OCP Connector Type	OCP 2.0 mezzanine connector
Network Interface Form Factor	OCP 2.0 mezzanine form factor with rear I/O SFP28 port
PCIe Generation Compatibility	PCIe Gen 3.0, backward compatible with PCIe Gen 1.1 and Gen 2.0
Supported Ethernet Link Speeds	1 GbE, 10 GbE, 25 GbE on the single SFP28 port
Advanced Network Protocol Offloads	Offloads for TCP/UDP/IP checksums, VLAN tagging, VXLAN/NVGRE/GENEVE, LSO/TSO, LRO, RSS
Interoperability with Ethernet Switches	Interoperable with 1/10/25/40/50 Gb/s Ethernet switches

NVIDIA 900-9X414-0013-SN1 25GbE SFP28 Ethernet Adapter