Intel Core i7-870

The Intel Core i7-870 is a desktop processor released in September 2009 with a launch MSRP of $562. It is based on the Nehalem microarchitecture and manufactured on a 45 nm process node. The processor has four cores and eight threads, with a base clock of 2.93 GHz and a boost clock of 3.6 GHz. It includes an 8 MB L3 cache and supports up to DDR3-1333 memory across two channels. The TDP is 95 W, and it uses the LGA 1156 socket. It does not have integrated graphics and does not support ECC memory. The CPU provides 16 PCIe 2.0 lanes. It supports instruction sets including MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, and SSE4.2. The multiplier is locked, preventing overclocking. It is compatible with motherboards featuring the LGA 1156 socket and chipsets such as Intel H55, H57, P55, and Q57.