AddOn 503746-B21-AO Gigabit Ethernet Card - Intel 82574 Chipset - PCIe 2.0 x 4 - Single RJ-45 Port - 10/100/1000Base-T
Business volume discounts
Technical guidance
Preparation & staging
QC · ON · AB · BC
Product Features
Technical Overview
This network interface card operates on the PCI Express 2.0 x4 bus interface, delivering up to 2000 MB/s bandwidth for efficient data transfer between the server and network. The Intel 82574 controller chip ensures hardware-level reliability and compatibility with mainstream server operating systems.
The card supports automatic speed negotiation across 10 Mbps, 100 Mbps, and 1000 Mbps Ethernet standards, adapting to network conditions without manual configuration. Full-duplex operation enables simultaneous data transmission and reception for optimal network throughput.
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 AddOn network card combines essential enterprise-grade features with straightforward deployment for server networking needs.
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 Reliable Intel Architecture, Flexible Physical Installation, Lifetime Warranty, Server-Optimized, Plug-and-Play.
Reliable Intel Architecture
The Intel 82574 chipset provides proven stability and driver support across server platforms, reducing compatibility concerns during installation and maintenance cycles.
Flexible Physical Installation
Included half-height and full-height brackets allow this card to fit both standard and low-profile server chassis, providing deployment flexibility without additional accessories.
Deployment / Use Cases
The AddOn 503746-B21-AO Gigabit Ethernet Card serves as a practical solution for adding or replacing network interfaces in server environments. Its single-port design makes it ideal for dedicated network connections where separate physical interfaces are required for management, backup, or application-specific traffic.
Common deployment scenarios include adding secondary network interfaces to rack servers, replacing failed onboard Ethernet ports in legacy systems, or providing dedicated network paths for virtualization hosts. The card's server designation ensures compatibility with enterprise hardware and management tools.
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.
Physical Profile
Measuring 4.20" in height, 0.80" in width, and 4.70" in depth, this plug-in card maintains a standard profile compatible with most server expansion slots. The compact design at approximately 9.60 ounces ensures minimal impact on system weight while providing robust network functionality.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 4.20" (106.68 mm), 0.80" (20.32 mm), 4.70" (119.38 mm), 9.60 oz (272.16 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 0.80" (20.32 mm)
- Depth
- 4.70" (119.38 mm)
- Height
- 4.20" (106.68 mm)
- Weight
- 9.60 oz (272.16 g)
What's in the Box
The package includes everything needed for immediate installation and deployment.
Package contents include HP 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
- Intel 82574 chipset for reliable Gigabit Ethernet performance
- PCI Express 2.0 x4 host interface with 2000 MB/s bandwidth
- Single RJ-45 port supporting 10/100/1000Base-T network standards
- Supports twisted-pair cabling up to 100 meters distance
- Plug-in card form factor with included half-height and full-height brackets
- Designed specifically for server deployment and compatibility
- Lifetime limited warranty for long-term reliability assurance
- Automatic speed negotiation for seamless network integration
Specifications
| Specifications | |
|---|---|
| Manufacturer | AddOn |
| Manufacturer Part Number | 503746-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 | 82574 |
| Interfaces/Ports | |
| Host Interface | PCI Express 2.0 x4 |
| Total Number of Ports | 1 |
| Number of Network (RJ-45) Ports | 1 |
| Media & Performance | |
| Media Type Supported | Twisted Pair |
| 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 | 4.70" (119.38 mm) |
| Weight (Approximate) | 9.60 oz (272.16 g) |
| Miscellaneous | |
| Package Contents | HP Gigabit Ethernet Card Half-height and full-height brackets |
| Device Supported | Server |
| Country of Origin | China |
| Warranty | |
| Limited Warranty | Lifetime |
FAQ
What type of host interface does this network card use?
This AddOn Gigabit Ethernet Card uses a PCI Express 2.0 x4 host interface, providing up to 2000 MB/s bandwidth for efficient data transfer between the server and network. The PCIe 2.0 x4 interface offers sufficient throughput for Gigabit Ethernet performance while maintaining compatibility with modern server expansion slots.
What network speeds does this card support?
The card supports 10/100/1000Base-T network technology, meaning it automatically negotiates between 10 Mbps, 100 Mbps, and 1000 Mbps (Gigabit) Ethernet speeds based on network conditions and connected equipment. This ensures compatibility with various network infrastructure components without manual configuration.
What type of cabling is compatible with this network adapter?
This network interface card supports standard twisted-pair Ethernet cabling (Category 5e or higher recommended) with a maximum supported distance of 100 meters. The RJ-45 port accommodates common Ethernet patch cables used in server room and data center environments.
What brackets are included with this card for installation?
The package includes both half-height and full-height brackets, allowing installation in various server chassis configurations. The half-height bracket accommodates low-profile server cases, while the full-height bracket fits standard server enclosures, providing deployment flexibility without requiring additional accessories.
What type of warranty comes with this network interface card?
This AddOn Gigabit Ethernet Card comes with a lifetime limited warranty, providing long-term reliability assurance for server deployments. The warranty covers manufacturing defects and ensures product support throughout the card's service life in enterprise environments.
Is this network card specifically designed for servers?
Yes, this card is designated for server deployment according to the product specifications. The server optimization includes compatibility with server operating systems, management tools, and chassis configurations, making it suitable for rack servers, tower servers, and other enterprise computing environments requiring reliable network connectivity.
| Qty | Price | Available |
|---|
