Delock PCI Express 4.0 x8 card that provides two internal U.2 (SFF-8639) interfaces for 2.5" NVMe SSDs. It supports NVM Express (NVMe), S.M.A.R.T. and TRIM. The card is bootable (UEFI 2.3.1). To use both U.2 ports simultaneously, the motherboard/BIOS must support PCIe bifurcation. Without bifurcation, only the first SFF-8639 port is available. Internal connections: 1 × PCIe x8 (PCIe 4.0); the device includes 8 mounting positions and two LEDs (power/activity). Package contents: PCIe card, 8 screws, user manual. Physical card dimensions: 236 × 87 mm (L × W). System requirements: free PCIe x8/x16 slot, BIOS with bifurcation support. Operating systems: Windows 10/11, Windows Server 2019/2022, Linux (kernel versions listed on the supplier's page).