Features: 1.A heat sink is used to reduce the temperature of the network card to ensure that the network card works normally and has a longer service life. 2.10G single-port SPF, externally shielded with full shielded gold-plated interface, which effectively reduces contact resistance and improves signal anti-interference 3.Using forIntel 82599 chip, multi-core processor server design, scalable virtual and unified storage 4.The thickened electric gold has greater hardness, is more wear-resistant than ordinary electric gold, and has better contact, and can be inserted and removed 10,000 times. 5.Strict quality control and quality assurance, high safety factor, can be used with peace of mind specification:Item Type: Desktop Network Card Size: Approx.125 x 55mm / 4.9 x 2.2in Chip: For Intel 82599EN Applicable Network Type: 10 Gigabit Ethernet Transmission Rate: 10/100/1000/10000Mbps Bus Type: PCI-EX8 Network Standards: IEEE 802.1p, IEEE 802.1Q, IEEE 802.2, IEEE 802.3ac, IEEE802.3az, IEEE802.3x, IEEE802.3Z, IEEE802.3ad Network Cable Interface Type: SFP Full Duplex/half Duplex: Full duplex/half duplex adaptive LED Indicator: LINK/ACT (connection work) PackageList:1 xAntenna Network Card1 x CD1 x Metal Block