Addlink S20 512GB Internal SSD

The Addlink S20 512GB Internal SSD is a 2.5-inch SATA III solid-state drive designed to replace ageing mechanical hard drives in desktops and laptops. Built on 3D NAND flash technology, the S20 stacks memory cells vertically in multiple layers, allowing greater storage density and improved endurance compared to planar NAND designs. This architecture contributes directly to the drive’s 300 TBW (terabytes written) endurance rating, making it a capable everyday upgrade for users who store large media collections, run productivity applications, or regularly transfer substantial files. Running on the SATA III 6 Gb/s interface, the S20 reaches sequential read speeds of up to 550 MB/s and sequential write speeds of up to 500 MB/s. These figures represent a significant improvement over typical 5,400 RPM mechanical drives, translating to faster boot times, quicker application launches, and more responsive file operations. The drive is also backwards compatible with SATA I and SATA II ports, broadening the range of systems it can upgrade. Addlink has integrated SmartECC and SmartRefresh firmware technologies into the S20. SmartECC provides hardware-level error correction, detecting and correcting data errors before they affect stored information. SmartRefresh monitors cell health over time, proactively refreshing data to maintain integrity — a useful safeguard for drives that may sit in lower-write-frequency environments for extended periods. The slim 7 mm, 2.5-inch form factor allows the S20 to fit standard laptop drive bays as well as desktop mounts with the appropriate adapter. Operating voltage ranges from 0.9 V to 3.6 V, and the drive is compatible with Windows, macOS (Mac OS X), and Linux operating systems. Addlink backs the S20 with a 3-year warranty, subject to the 300 TBW endurance limit — whichever comes first. Verified Specifications: – Capacity: 512 GB – Form Factor: 2.5-inch, 7 mm height – Interface: SATA III 6 Gb/s (backward compatible with SATA I / SATA II) – Sequential Read: Up to 550 MB/s – Sequential Write: Up to 500 MB/s – NAND Type: 3D NAND – TBW (Endurance): 300 TBW – Operating Voltage: 0.9 V – 3.6 V – OS Compatibility: Windows, Mac OS X, Linux – Warranty: 3 Years or 300 TBW – SKU: AD512GBS20S3S