The J4858D I Genuine HPE Aruba 1G SFP LC SX 500M OM2 MMF 1990-4415 is a high-quality switch module designed for enterprise networking. With a maximum data rate of 1000 Mbps/1 Gbps, it offers fast and reliable network connectivity. This unit features a single SFP connector and is compatible with HPE and HP brands. Its compact design, measuring 4.09 inches in length, makes it easy to install and use in various networking setups. Ideal for servers and other networking equipment, this switch module is a valuable addition to any enterprise network infrastructure.