4-Port SFF-8654 8i interfaces: Two ports for uplink (expansion card sends data), two ports for downlink (motherboard sends data)
Provided four PCIe 4.0 x16 slots, which can be inserted four GPUs
Integration Broadcom PEX88096 Switch chip. Embedded ARM Cortex R4 CPU
No driver required, plug and play
Applicable to Windows Server 2012/2016/2019/2022, Windows7/8/10/11, Linux, VMware ESX/ESXi 5/6/7, FreeBSD 11/12/13/14, Ubuntu 20/22 systems. NOT applicable to FreeBSD 15.0 systems