Apparently, private equity firm Silver Lake Partners and Broadcom (NASDAQ:AVGO) have offered Toshiba (OTCPK:TOSYY) about ¥2T ($17.9B) for its chip unit. Thus, that’s on the high end of estimates for the memory business’s value, the Nikkei reports. Furthermore, according to Reuters, about 10 potential bidders are interested in buying a stake in the NAND flash memory maker.