AddOn EXPI9400PT-AO Intel 82574 Gigabit Ethernet Card - PCIe 2.0 x 4 Single RJ-45 Port 10/100/1000Base-T
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Product Features
Technical Overview
Engineered with the Intel 82574 controller, the EXPI9400PT-AO ensures robust data handling and low-latency network operations. The PCI Express 2.0 x4 host interface provides up to 2000 MB/s of bidirectional bandwidth, eliminating bottlenecks for demanding server applications and high-throughput desktop environments.
The card maintains full compliance with IEEE 802.3 standards for 10/100/1000 Mbps Ethernet, supporting auto-negotiation and auto-MDI/MDIX for plug-and-play deployment. Its twisted-pair media support extends to 100 meters, making it suitable for standard office and data center cabling runs without signal degradation.
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.
Key Product Advantages
This Gigabit Ethernet card combines proven Intel silicon with a straightforward deployment profile, offering a dependable networking upgrade for legacy systems or expansion for modern servers. Its design prioritizes stability and compatibility over unnecessary features, making it an efficient choice for IT environments where consistent wired performance is non-negotiable.
Intel Reliability
The Intel 82574 chipset is widely recognized for its driver stability and low CPU utilization, ensuring network operations do not impact system performance.
- Proven controller architecture
- Broad OS driver support
- Efficient packet processing
Flexible Installation
Included half-height and full-height brackets allow the card to fit standard tower servers, compact desktops, and specialized chassis without modification.
- Dual bracket inclusion
- Tool-free bracket swapping
- Standard PCIe slot mounting
Deployment / Use Cases
The EXPI9400PT-AO is engineered for server environments where a dedicated Gigabit Ethernet port is required for management, backup, or segregated network traffic. Its server designation reflects testing and validation for continuous operation in 24/7 scenarios, though it remains fully compatible with desktop workstations needing reliable wired connectivity.
Common deployment scenarios include adding a secondary network interface for virtualization hosts, providing a dedicated port for iSCSI storage traffic, or replacing failed onboard NICs in legacy servers. The card's standard PCIe 2.0 x4 interface ensures compatibility with a wide range of systems from the past decade, offering a cost-effective refresh option without requiring platform upgrades.
Server Network Expansion
Ideal for rackmount and tower servers requiring additional Gigabit ports for network segmentation, out-of-band management, or redundant connectivity.
Desktop Connectivity Upgrade
Suitable for desktop PCs and workstations where onboard Ethernet is insufficient, damaged, or requires a performance boost for large file transfers.
Physical Profile
The card adopts a standard low-profile design with dimensions of 5.20" by 0.90" by 4.70" (132.08 mm by 22.86 mm by 119.38 mm), fitting most PCIe slots without clearance issues. Its lightweight construction at 9.60 oz (272.16 g) minimizes stress on the motherboard slot while maintaining adequate cooling through passive airflow. The plug-in card form factor ensures straightforward installation in any compatible system with an available PCI Express 2.0 x4, x8, or x16 slot.
- Width
- 0.90" (22.86 mm)
- Depth
- 4.70" (119.38 mm)
- Height
- 5.20" (132.08 mm)
- Weight
- 9.60 oz (272.16 g)
What's in the Box
The package includes the Intel Gigabit Ethernet Card along with both half-height and full-height mounting brackets, providing immediate deployment flexibility.
Package contents include Intel 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 interface with 2000 MB/s bandwidth
- Single RJ-45 port supporting 10/100/1000Base-T standards
- Twisted-pair media support with up to 100-meter reach
- Includes half-height and full-height brackets for flexible installation
- Validated for server deployment and continuous operation
- Lifetime limited warranty for long-term investment protection
- Auto-negotiation and auto-MDI/MDIX for plug-and-play setup
Specifications
| Specifications | |
|---|---|
| Manufacturer | AddOn |
| Manufacturer Part Number | EXPI9400PT-AO |
| Brand Name | AddOn |
| Product Name | Intel 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 | 5.20" (132.08 mm) |
| Width | 0.90" (22.86 mm) |
| Depth | 4.70" (119.38 mm) |
| Weight (Approximate) | 9.60 oz (272.16 g) |
| Miscellaneous | |
| Package Contents | Intel Gigabit Ethernet Card Half-height and full-height brackets |
| Device Supported | Server |
| Country of Origin | China |
| Warranty | |
| Limited Warranty | Lifetime |
FAQ
What systems are compatible with this Gigabit Ethernet card?
The EXPI9400PT-AO is compatible with any desktop or server system featuring an available PCI Express 2.0 x4, x8, or x16 slot. It is specifically validated for server environments but works equally well in desktop PCs and workstations. The card requires a standard PCIe slot and supports mainstream operating systems with available Intel 82574 drivers.
Does this card support 1000 Mbps Gigabit Ethernet?
Yes, the card fully supports 10/100/1000Base-T standards, delivering up to 1000 Mbps (1 Gbps) data transfer rates over twisted-pair cabling. It auto-negotiates with network switches and routers to establish the highest mutually supported speed, ensuring optimal performance without manual configuration.
What type of network cable does this card require?
The card uses standard twisted-pair Ethernet cables with RJ-45 connectors, specifically Cat5e, Cat6, or higher categories. It supports cable runs up to 100 meters (328 feet) in length, which is the maximum distance for reliable Gigabit Ethernet over copper without signal repeaters or extenders.
What is the purpose of the included half-height and full-height brackets?
The dual brackets allow the card to fit different chassis types. The full-height bracket is for standard tower servers and desktop cases, while the half-height bracket suits compact or small-form-factor systems. You can swap brackets without tools to match your enclosure, ensuring a secure fit regardless of case profile.
Is this card suitable for 24/7 server operation?
Yes, the card is designated for server support, meaning it is engineered and tested for continuous operation in always-on environments. The Intel 82574 chipset is known for its stability under sustained loads, making this adapter reliable for critical network tasks like data backups, virtualization traffic, or management interfaces.
What warranty coverage does this product include?
AddOn provides a lifetime limited warranty for the EXPI9400PT-AO Gigabit Ethernet Card. This warranty covers defects in materials and workmanship for the product's usable life, offering long-term assurance for IT deployments. Warranty terms are subject to AddOn's policies, and support typically includes replacement or repair for qualifying issues.
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