This PCIe x16 to 4 Port U.2 adapter card supports PCIe 5.0 x16 with 4x128Gbps bandwidth, ensuring fast data transfer for U.2 and E1.S/E3.S drives. This expansion card integrates with various setups, enhancing your storage capabilities effortlessly. Featuring baseplate for E1.S and E3.S drives, it ensures perfect alignment and stable connection. Equipped with gold plated connectors (10U thickness), guaranteeing durability and integrity. With 4 port expansion capability, this adapter card allows multiple E1.S/E3.S drive connection, significantly boosting your storage capacity.