ECM28 1 x NVMe & 1 x SATA M.2 SSD to PCIe x4 1U Adapter Card Features: Suits 1U form factor chassis at only 32mm total height Support 1 x NVMe M.2 SSD (M key) utilizing PCIe x4 interface Support 1 x SATA M.2 SSD (B key) Allows concurrent usage of both M.2 SSD slots Supports PCIe Gen4 Supports SATA 6Gbps Built-in LED status indicator Supports PCIe CLKREQ# function Specifications: Model No. SST-ECM28 SSD Interface NVMe & SATA Support Length of M.2 SSD 22x30mm, 22x42mm, 22x60mm, 22x80mm LED indicator NVMe SSD: power / data access: Solid blue / Blinking blue SATA SSD: power / data access: Solid red / Blinking red Net weight 17.8g Interface PCI Express x4 / SATA 6 Gbps Number of Drives 2 Module Key PCIe x4 NVMe-based M key SATA-based B key Dimension 15.5mm (W) x 32mm (H) x 118.4mm (D)