QNAP QM2-4P-384 - storage controller - PCIe 3.0 - PCIe 3.0 x8

The QNAP QM2-4P-384 Expansion Card adds 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. It boosts performance by adding M.2 SSDs. It does not occupy any 3.5-inch drive bays, allowing you to maximize both your storage capacity and performance. The QM2-4P-384 features four M.2 2280 PCIe (Gen3 x 4) NVMe SSD slots.