This Intel Core i5-520M 2.40GHz CPU is a great addition to your laptop. With a 2.4GHz clock speed and 3MB of L3 cache, this processor model is perfect for everyday use. The unit quantity is one and the socket type is Socket G1. The processor type is Core i5 1st Gen. and it has 2 cores with a bus speed of 1333 MHz. This item is sold as a unit and comes with a California Prop 65 warning. The brand is Intel and the L2 Cache is 512 KB. The item title is Intel Core i5-520M 2.40GHz 2-Core 3MB Socket G1 Laptop Mobile CPU SLBNB SLBU3.