All of our switches currently on the market from the WS-6-MINI to the WS-24-400A use the same switch core
VSC-7424, VSC-7425, and VSC-7427
http://www.microsemi.com/products/ether ... 16-mhz-cpuI know they are differnt part numbers but trust me the chips are identical we just pay a larger price to use more port.
With that being said 4096 MAC addresses maybe held in memory at any given time.
If your Layer 2 segment is larger than that you should really consider segmenting it.