Sun plans to ship 8-core and 6-core versions of the Niagara processor in single socket servers before year end, according to sources. The decision to produce 6-core parts came as Sun tried to make best use of chip yields from its partner TI. In addition, Sun can now offer a couple of different prices with the Niagara-based systems, pitching the 6-core gear as lower-end.More details at The Register.
Sun to launch four six and eight core Niagara processors?

Sun is preparing a 8-core Niagara processor and according to The Register we may also expect a 6-core and possibly a 4-core version too.