170w ago - Last year we first uncovered Sony using the "Sand Dollar Enterprise, Inc" pseudonym to list PS3 Slims with the FCC, and today two new PlayStation 3 Slim models have been uncovered- the CECH-2101A and CECH-2101B.

In this FCC document [PDF] it states the difference between the CECH-2101A and CECH-2102B model is HDD type only.

For those unaware, the "X" in the models CECH-210XA and CECH-210XB represents the region coding, so replacing it with a "0" would signify Japan, a "1" for North America, "2" for Australia / New Zealand, "3" for U.K. / Ireland, "4" for Europe / Middle East / Africa and so on.

To quote: "We're not sure why Sony is passing two new PS3 Slims through the FCC. The wireless specs on the new PS3 Slims include 802.11 b/g and Bluetooth - nothing new there.

We're guessing that maybe Sony found a new manufacturer for some of its wireless components, and was forced to...