The Dell T3CYH Mellanox ConnectX-4 Lx CX4421A 2-Port 25GbE SFP28 Mezzanine Card is a high-performance network card designed for use with Dell servers. This card features two ports that support 25Gb/s data rates, making it ideal for high-speed network connections. With its Mellanox ConnectX-4 model, it offers reliable performance and is compatible with SFP28 ports for seamless connectivity. Made in Malaysia, this mezzanine card is a great addition to any computer system requiring fast and efficient network access.