Crucial 8gb ddr3 pc3 10600 unbuffered non ecc 135v 1024meg x 64 204 pin sodimm ddr3 204 pin sodimm approximately 266 in by 118 in 66 mm by 30 mm 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 to use ddr3 memory your system must have both a 204 pin