1GbE bandwidth and M.2 SSD cache, all at once Synology E1M2-T1 helps you boost I/O performance and network bandwidth simultaneously using just one PCIe expansion slot on your Synology NAS. - Achieve Multi-Gig Ethernet transmission speeds of up to 1 Gbps. - Accelerate random I/O performance with the dual M.2 228/2211 NVMe SSD slots. - Free up primary drive bays for data storage. A perfect match with Synology SNV3 series NVMe SSD Install Synology SNV3 series NVMe SSD on the E1M2-T1 adapter card for fast and streamlined cache acceleration, and take full advantage of Synology SSD’s enterprise-grade endurance, performance, and reliability with your Synology NAS.