Crucial Technology CT102464BF160B Technology 8GB DDR3-1600MHz PC3-12800 non-ECC Unbuffered CL11 204-Pin SoDimm 1.35V Low Voltage Memory Module

In short, 204-pin small outline dual inline memory modules (SODIMMs) are the form factor used to provide DDR3 memory modules for notebook computers and other small form factor computing platforms. 204-pin SODIMMs are currently available in PC3-8500 (DDR3 1066MHz) and PC3-10600 (DDR3 1333MHz) speeds.