**SILVERSTONE ECM21 (SST-ECM21) – Unlock Your System’s Full Potential with M.2 SSD Support**
The SILVERSTONE ECM21 (SST-ECM21) is your gateway to maximizing the performance of your M.2 SSDs. Designed to convert your M.2 port (M key) into a powerful PCI-E x4 interface, this adapter ensures you get the most out of your high-speed storage solutions. Whether you’re using SATA, PCI Express with AHCI, or the cutting-edge PCI Express with NVMe, the ECM21 supports all three types of M.2 SSDs, giving you the flexibility to choose the best fit for your system.
**Key Features:**
– **Universal M.2 Compatibility:** Supports SATA (B key), PCI Express using AHCI (M key), and PCI Express using NVMe (M key) SSDs, 
