Unlike high-end SSD controllers, the SM3265AC does not have a DRAM cache. Instead, it uses a combination of small internal SRAM and direct memory access (DMA) to manage data flow. This keeps costs low while still delivering sequential read speeds that saturate the USB 3.0 bus.
For a look at Silicon Motion's broader hardware capabilities and how their SoCs handle data and display tasks: Products-USB Flash Drive-Silicon Motion Sm3265ac
Capable of maximum read speeds up to 130 MB/sec . Unlike high-end SSD controllers, the SM3265AC does not
| Feature | SM3265AC | SM3268AB | | :--- | :--- | :--- | | | 166 MT/s (ASYNC) | 200 MT/s (Toggle/DDR) | | Max Capacity | 256GB (Stable) | 1TB+ | | QLC Support | Poor (slow) | Native (Optimized) | | Power Draw | ~400mA | ~550mA | | Best for | Cheap 32-128GB drives | High-performance 256GB+ | For a look at Silicon Motion's broader hardware