This is a D-Link DFE-530TX+ Rev.D2 10/100Mbps Internal PCI Fast Ethernet Card. The item is missing outer the retail box, but it is brand new and sealed (original factory seal is intact) in the internal plastic packaging.
Specifications:
Product Description: PCI Network Adapter
Ports: 10/100 Ethernet
Cabling Type: Ethernet 100Base-TX, Ethernet 10Base-T
Connector Type: RJ-45
Compliant Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3x
Features: Auto-negotiation, Flow control, Full Duplex Capability
Depth: 120 x 51 mm
Weight: 68 grams
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