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Silverstone Technology 2.5Gbps RJ45 Network Interface PCI Express Card$49.00
The SilverStone ECL01 2.5Gbps PCI-E Network Adapter uses next-generation 2.5G Base-T networking technology to deliver speeds of up to 2.5Gb/s. It supports 2.5Gb/s, 1Gb/s, and 100Mb/s networking standards, is backward compatible, and features a standard RJ-45 LAN port. Includes 80mm low-profile bracket.