Provide extra two hard drive bays; Support 2.5" SSD/HDD up to 15mm high; Rugged structure enable stable mounting; Fit all PCIe/PCI slot types; Application Mount 2 x 2.5" SSD/HDD to fit in spare PCIe/PCI slot; Designed for 2.5" SSD/HDD up to 15mm high; Dimension: 177(L) x 130(W) x 22(H) mm colour; Black Weight: 220g.