Shipping included*
Exclusions
Additional shipping fees may apply in rare circumstances for deliveries outside standard service areas. In most cases, this only potentially affects shipments to the Northwest Territories and Yukon, as well as certain heavy or oversized items.
AddOn 412648-B21-AO Dual Port Gigabit Ethernet Card - PCIe 2.0 x 4 - Intel 82576 Chipset - 10/100/1000Base-T - Plug-in Card
Business volume discounts
Technical guidance
Preparation & staging
QC · ON · AB · BC
Product Features
Technical Overview
This Gigabit Ethernet card utilizes a PCI Express 2.0 x4 host interface, delivering sufficient bandwidth for dual-port gigabit operation without bottlenecking system performance. The Intel 82576 controller chip ensures efficient packet processing and reliable connectivity across all supported network speeds.
The card supports maximum cable distances of 100 meters (328 feet) using Category 5e or better twisted pair cabling. With 10/100/1000Base-T auto-negotiation, it seamlessly integrates into existing network infrastructures while providing backward compatibility with legacy 10/100 Mbps equipment.
Relevant factors for this section include Chipset Manufacturer, Chipset Model, Host Interface, Total Number of Ports. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
This dual-port network adapter provides cost-effective bandwidth expansion for servers and workstations requiring additional Ethernet connectivity. The inclusion of both half-height and full-height brackets ensures compatibility with a wide range of system enclosures, from compact workstations to standard server racks.
These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include Dual-Port Design, Intel Reliability.
Dual-Port Design
Two independent gigabit ports enable network segmentation, link aggregation, or failover configurations without requiring additional PCIe slots.
- Load balancing support
- Independent port operation
- Redundancy capabilities
Intel Reliability
The Intel 82576 chipset delivers proven performance with broad driver support across multiple operating systems and virtualization platforms.
- Enterprise-grade stability
- Wide OS compatibility
- Virtualization optimized
Deployment / Use Cases
This network interface card serves as an ideal replacement or expansion solution for HP server environments requiring additional gigabit connectivity. The dual-port configuration supports various deployment scenarios, from basic network interface replacement to advanced server configurations.
Common applications include adding secondary network interfaces for virtualization hosts, providing dedicated management network ports, creating network segmentation for security zones, or establishing redundant connections for critical server applications. The card's server designation makes it particularly suitable for data center and enterprise environments where reliable network connectivity is essential.
Server Expansion
Add network ports to existing servers for virtualization, network segmentation, or redundancy without replacing entire systems.
Workstation Connectivity
Provide high-speed network access for workstations requiring multiple network connections or dedicated bandwidth for specific applications.
Physical Profile
The card measures 4.20" (106.68 mm) in height, 0.80" (20.32 mm) in width, and 3.70" (93.98 mm) in depth, with an approximate weight of 6.40 oz (181.44 g). This compact form factor fits standard PCIe slots while the included brackets accommodate both low-profile and full-height chassis configurations. The design prioritizes reliable operation in server environments with adequate cooling and secure mounting.
- Width
- 0.80" (20.32 mm)
- Depth
- 3.70" (93.98 mm)
- Height
- 4.20" (106.68 mm)
- Weight
- 6.40 oz (181.44 g)
What's in the Box
The package includes the Gigabit Ethernet Card with both half-height and full-height brackets, providing immediate installation flexibility for various system configurations.
Package contents include Gigabit Ethernet Card Half-height and full-height brackets. These included items support setup, installation, and immediate deployment without needing to source the core bundled accessories separately.
Highlights
- Dual RJ-45 ports for network expansion or redundancy
- PCI Express 2.0 x4 interface with ample bandwidth
- Intel 82576 chipset for reliable performance
- 10/100/1000Base-T auto-negotiation support
- 7.81 Gbit/s maximum data transfer rate
- 100-meter maximum operating distance
- Includes half-height and full-height brackets
- Plug-in card form factor for easy installation
- Server-optimized design
- Lifetime limited warranty
Specifications
| Specifications | |
|---|---|
| Manufacturer | AddOn |
| Manufacturer Part Number | 412648-B21-AO |
| Brand Name | AddOn |
| Product Name | HP Gigabit Ethernet Card |
| Packaged Quantity | 1 |
| Product Type | Gigabit Ethernet Card |
| Technical Information | |
| Chipset Manufacturer | Intel |
| Chipset Model | 82576 |
| Interfaces/Ports | |
| Host Interface | PCI Express 2.0 x4,RJ-45 |
| Total Number of Ports | 2 |
| Number of Network (RJ-45) Ports | 2 |
| Media & Performance | |
| Media Type Supported | Twisted Pair |
| Maximum Data Transfer Rate | 7.81 Gbit/s |
| Maximum Operating Distance | 328.08 ft (100000 mm) |
| Network & Communication | |
| Network Technology | 10/100/1000Base-T |
| Physical Characteristics | |
| Form Factor | Plug-in Card |
| Height | 4.20" (106.68 mm) |
| Width | 0.80" (20.32 mm) |
| Depth | 3.70" (93.98 mm) |
| Weight (Approximate) | 6.40 oz (181.44 g) |
| Miscellaneous | |
| Package Contents | Gigabit Ethernet Card Half-height and full-height brackets |
| Device Supported | Server |
| Country of Origin | China |
| TAA Compliant | No |
| Warranty | |
| Limited Warranty | Lifetime |
FAQ
What type of PCIe interface does this network card use?
This AddOn Gigabit Ethernet Card utilizes a PCI Express 2.0 x4 interface. The x4 lane configuration provides sufficient bandwidth to support both gigabit ports simultaneously without performance bottlenecks, making it suitable for server applications where consistent network throughput is essential.
How many network ports does this card provide?
The card features two independent RJ-45 ports, each supporting 10/100/1000Base-T network connections. This dual-port configuration allows for network segmentation, link aggregation, or redundant connections, providing flexibility for various server and workstation deployment scenarios.
What is the maximum data transfer rate supported?
The card supports a maximum data transfer rate of 7.81 Gbit/s. This bandwidth accommodates full gigabit operation on both ports simultaneously, ensuring efficient network performance for data-intensive applications and server workloads in enterprise environments.
What type of cabling does this network card support?
This network interface card supports standard twisted pair cabling (Category 5e or better) with a maximum operating distance of 100 meters (328 feet). It uses RJ-45 connectors and is compatible with existing structured cabling infrastructure commonly found in office and data center environments.
Does this card include mounting brackets for different chassis sizes?
Yes, the package includes both half-height (low-profile) and full-height brackets. This provides installation flexibility for various system configurations, from compact workstations and small form factor servers to standard rack-mounted servers and tower chassis.
What is the warranty coverage for this product?
This AddOn network interface card comes with a lifetime limited warranty. This coverage provides long-term assurance for enterprise deployments where network reliability and product longevity are important considerations for infrastructure investments.
| Qty | Price | Available |
|---|
