OWC1867DDR3S64S Overview
Upgrade the memory in your 27″ iMac using the 64GB DDR3 1867 MHz SO-DIMM Memory Kit from OWC / Other World Computing. This memory kit features a total capacity of 64GB, which is made up of four 16GB modules. It also has a clock speed of 1867 MHz, a bus speed of PC3-14900, and a 204-pin SO-DIMM form factor. It operates using 1.35V, has a CAS Latency of CL=11, a cycle time of 1.875 ns, does not support ECC technology, and is not registered.