А скока ОЗУ мона запихнуть? Мак середина 11 года на АЙ5 все пишут что 16гб а что мешает запихнуть 4 по 8Гб?
Apple iMac "Core i5" 3.1 27-Inch (Mid-2011) Specs
Identifiers: Mid-2011 - MC814LL/A - iMac12,2 - A1312 - 2429
Standard RAM: 4 GB Maximum RAM: 32 GB*
Details: By default, 4 GB of RAM is installed as two 2 GB SO-DIMM modules. Two slots free.
*Officially, this model supports four 4 GB modules -- one in each slot for a maximum of 16 GB of memory. However, third-parties have discovered that it actually will support 32 GB of memory using four 8 GB modules.