We have upgraded it to 8GB Further Upgrades are available. In lieu of a system bus, it has a “Direct Media Interface” (DMI) that “connects between the processor and chipset” at 5 GT/s.īy default, it is configured with 4 GB of RAM (1333 MHz PC3-10600 DDR3 SDRAM), a 1 TB (7200 RPM) hard drive, a vertically-mounted slot-loading DVD�R DL “SuperDrive”, and AMD Radeon HD 6770M graphics with 512 MB of dedicated GDDR5 memory. The iMac “Core i5” 2.7 27-Inch Aluminum (Mid-2011) is powered by a Quad Core 2.7 GHz Intel “Core i5” I5-2500S (Sandy Bridge) processor with a dedicated 256k level 2 cache for each core and a 6 MB shared level 3 cache. This item is sold under the VAT Margin Scheme so No VAT invoice will be supplied Peripheral – Generic Wireless Keyboard and Mouse.Graphics – AMD Radeon HD 6770M graphics with 512 MB of dedicated GDDR5 memory.Processor – Quad Core 2.7 GHz Intel “Core i5” I5-2500S (Sandy Bridge) processor.This is why it is for sale for a little less. The screen is perfect and it is in 100% working order just does not look as good as others. There will be some marks on the case and maybe a small dent in the case. Apple iMac 27″ Core i5 2.7GHz, 8Gb, 1Tb, OS X 10.13 High Sierra

Imac 27 late 2013 os upgrade