How many Ethernet ports are available on the HP NC7771 adapter?

The HP NC7771 is categorized as a 1-port 10/100/1000Base-T adapter. This single-port configuration is suitable for deployments that require one dedicated network connection per adapter, such as management links, specific application networks, or simple server connectivity scenarios without link aggregation.

Is the HP NC7771 286803-B21 suited for PCI-X server platforms?

Yes, the adapter is listed under the PCI-X server adapter category. This indicates it is intended for servers that provide PCI-X expansion capabilities. Before deployment, administrators should confirm that their servers support PCI-X slots to ensure physical and electrical compatibility with the NC7771 286803-B21.

Can the HP NC7771 be used in environments with mixed Ethernet speeds?

The NC7771 supports 10/100/1000Base-T, making it appropriate for environments that operate at 10, 100, or 1000 Ethernet speeds. This allows the adapter to integrate into legacy segments running lower speeds as well as segments that have been upgraded to Gigabit, using the same copper cabling infrastructure.

What kind of cabling is required for the HP NC7771 10/100/1000Base-T port?

As a 10/100/1000Base-T adapter, the NC7771 is intended for use with standard copper twisted-pair Ethernet cabling that supports these speeds. This allows organizations to leverage existing copper cabling systems commonly deployed in data centers and wiring closets when connecting the adapter to compatible switches.

286803-B21 - HP 286803-B21 1-Port 10/100/1000Base-T adapter

Name: HP 286803-B21 1-Port 10/100/1000Base-T adapter
Brand: HP
SKU: 286803-B21

286803-B21 - HP 286803-B21 1-Port 10/100/1000Base-T adapter | US IT Hardware

Product overview

The HP NC7771 286803-B21 is a network adapter designed for environments that require 10/100/1000Base-T connectivity in a PCI-X server architecture. As part of the PCI-X server adapter category, it is suitable for IT infrastructures standardizing on copper Ethernet links while maintaining compatibility with legacy and intermediate network speeds. With a single 10/100/1000Base-T port, this adapter supports Ethernet connectivity over twisted-pair cabling, enabling flexible deployment across diverse rack and tower server configurations. The focus on a 1-port design simplifies asset management and port assignment for dedicated workloads or specific network segments. Procurement teams can standardize on this model where a balance of Gigabit capability and support for lower Ethernet speeds is required. The NC7771’s alignment with PCI-X server platforms makes it appropriate for environments maintaining established hardware generations while still requiring reliable 10/100/1000Base-T operation.

HP NC7771 PCI-X server network adapter
Single 10/100/1000Base-T copper Ethernet port
Designed for PCI-X server expansion slots
Supports Ethernet over twisted-pair cabling
Suitable for mixed 10, 100, and 1000 networks
1-port layout for dedicated server links

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Featuring

PCI-X Bus Frequency
Manufacturer part #	286803-B21
Brand	HP
Condition	New
Model	NC7771
Form Factor	PCI-X adapter card
Intended Use	HP ProLiant and compatible HP servers
Product Code	290563-B21
Product Line	NC series server adapters
Product Type	Server network adapter
Data Path Width	64-bit
Data-sheet Quality	created by HP

Best for

Legacy PCI-X servers
Suitable for server environments that rely on PCI-X expansion, aligning with platforms that use PCI-X server adapters and require stable Ethernet connectivity.
Mixed-speed LANs
Appropriate for networks that operate at 10, 100, or 1000 Ethernet speeds, leveraging the 10/100/1000Base-T capability for flexible integration.
Single-port dedicated links
Useful where a single 10/100/1000Base-T port is sufficient, such as dedicated management links or isolated application traffic.
Copper cabling environments
Designed for infrastructures built around 10/100/1000Base-T copper cabling, supporting straightforward integration into existing twisted-pair wiring.
Standardized server adapter fleets
Helps organizations standardize on a 1-port 10/100/1000Base-T PCI-X server adapter across compatible systems for consistent deployment and management.

Frequently asked questions

What type of network interface does the HP NC7771 286803-B21 provide?

Details

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Backward Compatibility	Existing PCI bus

Network Data Transfer Rate	10 Mbps; 100 Mbps; 1000 Mbps

Networking Ports & Interfaces

Ports	1 x RJ-45
Port Count	1 port
Bus Interface	PCI-X 64-bit
Connector Type	RJ-45
Ethernet Speed	10/100/1000 Mbps
Interface Type	PCI-X
Ethernet Connector	RJ-45
Network Technology	Gigabit Ethernet
Network Port Quantity	1
Supported Network Standards	10Base-T; 100Base-TX; 1000Base-T

HP 286803-B21 1-Port 10/100/1000Base-T adapter