This vintage but still brand NEW INTEL Mobile Pentium4 2.8GHz 512K 533 478 Pin RK80532HE072 SL77N processor is a great addition to any computer enthusiast's collection. With a clock speed of 2.8 GHz and the Pentium 4 processor type, this CPU can handle even the most demanding tasks with ease. The socket type is Socket 478/N, making it a perfect fit for a variety of computer models. The processor is a great choice for those in need of a fast and reliable CPU.