AMD has announced the launch of the Opteron 4000 series specially (codename Lisbon) designed for cloud computing and hyperscale data centers. Nine models were lanched and all of them are manufactured on 45-nm technology, feature a built-in DDR3 dual-channel memory controller, two HyperTransport 3.0 links, and are based on the socket C32 platform. Below you can see the models launched and their main specs.

It is important to not confuse ACP with TDP (Thermal Design Power), which indicates the processor power thermal dissipation and is used to choose the appropriate kind of cooler. ACP (Average Power Consumption) is a new metric AMD is using to indicate the real power consumption of their processors targeted to the server market.