Synology SNV3510-800G NVMe PCIe 3.0 x4 M. 2 22110 SSD – 800GB The Synology SNV3510-800G is an enterprise-grade NVMe SSD designed to deliver fast, reliable performance for Synology NAS systems and other compatible devices. With 800GB capacity, PCIe 3.0 x4 interface, and durable M. 2 22110 form factor, this drive is built for cache acceleration, virtualization, databases, and 24/7 workloads. Key Features. Capacity: 800GB. Form Factor: M.