UTT-BH/CHx

From IeXwiki

The latest modules by Winbond. These are unbinned (or UnTesTed) RAM modules. Some users have reported to achieve speeds of 250mhz at 2-2-2-5 Latency Timings with over 3.3 volts. It's commonly found in value RAM, you just have to know what to look for. Typically, any Winbond modules are identified with a small dot in the lower right corner and 2 dots spaced apart in the center.