Crucial CT3KIT51272BA1067 12 GB (3x4GB DDR3-1066)

The Crucial CT3KIT51272BA1067 12 GB comes as 3 modules of 4GB each with 12GB of DDR3 on board. Operating voltage sits at 1.35V. It is rated at 1066 MT/s with a CAS latency of 7, working out to a true latency of about 13.1ns. Once memory clears 3600 MT/s, frequency gains taper off, so the 12GB on offer here is the spec that counts for esports and everyday use.

PlanMyPC's builder flags compatibility problems automatically and tracks the latest memory kit deals from multiple stores. Support and warranty service run through Crucial, with terms that vary by region. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build.