Solid State Systems Sss6698-bb |best| -

The Solid State Systems (SSS) SSS6698-BB is a USB 2.0 controller often found in Kingston, Toshiba, and ADATA drives experiencing corruption, write-protection, or "No Media" errors. Repairing these drives requires utilizing specialized "Mass Production Tools" (MPTools) like the 3S USB MP Utility (v2.178+) to re-flash the controller firmware. Detailed firmware files and MPTools can be found on USBDev.ru and Flashboot.ru . 3S MP Utility v.2.173 (SSS 6679 6688 6689 6690 6691 6692)

Typical applications and example circuits

| Tool | Purpose | |------|---------| | ChipGenius 4.19 | Identify controller & NAND | | USB Flash Drive Tester | Check real capacity | | H2testw | Detect fake capacity | | SSD MP Tool (SSS 6698) | Low-level format & firmware | | Rufus / Ventoy | Bootable media creation (works if recognized as USB HDD) | Solid State Systems Sss6698-bb

Because the controller is sold as a blank chip to USB drive manufacturers, it must be "flashed" with specific parameters to work correctly. The MPTool allows the user to configure: The Solid State Systems (SSS) SSS6698-BB is a USB 2

1. No TRIM support – performance degrades over time without secure erase.
2. Poor write performance with QLC NAND – can drop to 5–10 MB/s.
3. Limited random write IOPS – unsuitable for OS or portable apps.
4. Firmware corruption risk – sudden power loss during write may cause the drive to be detected as 0 MB or “unknown device”.
5. Short lifespan under heavy write workloads (low endurance compared to e.g., SMI SM3267).