QM2 series PCIe cards add support for M.2 SSDs to a QNAP NAS, allowing users to configure SSD caching, a caching pool, or an auto-tiering volume to improve overall NAS performance.\n\n- M.2 SSDs* can be installed to form caching pools or an auto-tiering volume\n- Enables SSD caching to boost performance & optimizes storage efficiency with Qtier Technology**\n- M.2 SSD thermal sensors allow real-time M.2 SSD temperature monitoring\n- A quiet cooling module (heatsink & smart fan) minimizes overheating risks & sustains constant high performance\n- LED indicators for monitoring M.2 SSD status Feature Feature Value Host interface PCIe Output interface M.2 Expansion card standard PCIe 2.0NVMe Y Internal Y Product colour Copper Mounting brackets included Y Compatibility QNAP TS-431XU, TS-432XU-RP, TS-453B, TS-453BT3, TS-453BU, TS-453BU-Rp, TS-470, TS-470 Pro, TVS-470, TVS-471, TVS-471U, TVS-471U-RP, TVS-473, TVS-473e TS-653B, TS-670, TS-670 Pro, TS-677, TVS-670, TVS-671, TVS-673, TVS-673e, TVS-682, TVS-682T, TS-831XU, TS-832XU, TS-853BU, TS-853BU-RP, TS-1231XU, TS-1232XU, TS-1232XU-RP, TS-1253BU