D-Link DFE-520TX 10/100Mbps Dual-Speed PCI Network Card
The D-Link DFE-520TX is a high-performance 10/100Mbps Dual-Speed PCI Network Interface Card (NIC) designed for reliable Ethernet connectivity in desktop PCs and workstations. Built on a 32-bit PCI Bus Master architecture, this adapter ensures superior throughput by allowing direct data transfers between the network interface and system memory
Key Features
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10/100Mbps Auto-Negotiation
Automatically detects network speed and adjusts between 10BASE-T and 100BASE-TX modes. -
32-bit PCI Bus Master Architecture
Enables direct memory access (DMA) to improve performance and reduce CPU workload. -
Full-Duplex Operation (200Mbps)
Doubles data throughput and ensures smooth communication with switches supporting flow control. -
802.3x Flow Control Support
Prevents data loss during network congestion by synchronizing transmission with switch buffer capacity. -
IEEE 802.1x (MD5) Authentication Support
Provides enhanced security through port-based network access control. -
Energy & Configuration Compliance
Meets ACPI v1.0 and PCI Power Management v1.1 specifications for efficient energy use. -
Reliable Connectivity
Single RJ-45 connector provides robust wired connection over UTP cabling with auto MDI/MDIX detection. -
Plug-and-Play Installation
Fully compatible with major operating systems and includes onboard FIFO buffering—no external memory required.
Specifications
| Feature | Specification |
|---|---|
| Model | D-Link DFE-520TX |
| Network Standards | IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX |
| Interface Type | 32-bit PCI Bus Master |
| Data Transfer Rate | 10/100 Mbps (Auto-Negotiation) |
| Connector Type | RJ-45 |
| Full-Duplex Support | Yes (up to 200 Mbps effective throughput) |
| Flow Control | IEEE 802.3x Full-Duplex |
| Authentication | IEEE 802.1x (MD5 only) |
| Power Management | ACPI v1.0, PCI Power Management v1.1 |
| Buffer Memory | On-board FIFO (no external host memory required) |
| PCI Clock Speed | Up to 33 MHz (independent of network clock) |
| Operating Temperature | 0 °C to 50 °C |
| Storage Temperature | -10 °C to 70 °C |
| Operating Humidity | 10–90% (non-condensing) |
| Certifications | FCC Class B, CE, RoHS |
| Compatibility | Windows, Linux, and other PCI-compliant systems |
What’s in the Box
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1 × D-Link DFE-520TX PCI Network Card
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Quick Installation Guide
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Driver CD (where applicable)
Why Choose D-Link DFE-520TX
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Proven PCI-based Ethernet solution for desktops and legacy systems.
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Reliable 10/100Mbps dual-speed operation for versatile LAN environments.
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Efficient Bus Mastering reduces CPU overhead for faster performance.
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Full-duplex support ensures smooth communication with modern switches.
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ACPI and PCI power management compliance for energy efficiency.
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Backed by D-Link’s legacy of quality networking products.
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