Sm3280aa Memory Bar [upd] ❲2024❳

The SM3280AA is a single-channel USB 3.1 Gen 1 (5 Gbps) NAND flash controller from Silicon Motion, designed for mainstream to high-performance USB flash drives. It supports with advanced error correction and firmware optimizations.

| Controller | Interface | Channels | DRAM | Use case | |------------|-----------|----------|------|-----------| | | USB 3.0 | 2 | No | Cost-sensitive, decent speed | | IS903 | USB 3.0 | 2 | No | Very high read (350+ MB/s) but poor random write | | SM2246XT | SATA + USB bridge | 4 | No (HMB-like) | Essentially a portable SSD | | PS2251-09 | USB 3.0 | 1 | No | Low-end, cheaper than SM3280 | sm3280aa memory bar