The base 2.5 GHz model has AMD Radeon HD 6750M graphics with 512 MB of dedicated memory.
The new iMac can be ordered with Apple’s Magic Trackpad.Ĥ GB of RAM remains standard across the line, and maximum RAM stands at 16 GB using four 4 GB modules. The SD Card slot, located on the right side below the SuperDrive, supports SDXC.Īpple’s wireless keyboard is standard, as is the Magic Mouse. The 21.5″ iMac has the same 1920 x 1080 pixel resolution as high-def television, and the display is LED backlit. With all these changes, the iMac looks like it has ever since Apple moved to 21.5″ and 27″ screens in October 2009.ĬPU speeds start at 2.5 GHz, and there’s a 2.8 GHz i7 option for the 2.7 GHz model, which adds $200 to its price.Īpple has improved AirPort performance by building three WiFi antennas into the new iMac, allowing three channels with 150 Mbps bandwidth for a maximum bandwidth of 450 Mbps. The 2011 iMac EFI Update, released 2011.05.05, enables 6 GBps SATA for even faster drive performance. With the 2.7 GHz and faster models, you can choose to replace the hard drive with a 256 GB SSD or have both a hard drive and an SSD installed, an Apple first. The Mid 2011 iMac shipped with OS X 10.6.7 and will support OS X 10.9 Mavericks when it ships.Īpple now offers a solid-state drive (SSD) option on all iMacs except for the 2.5 GHz 21.5″ model, an improvement over the 2010 iMac, where only the top-end model had SSD as a build-to-order option. All other models ship with a 1 TB hard drive and even more powerful Radeon graphics. The entry-level iMac has 4 GB of RAM, a 500 GB hard drive, and Apple’s aluminum keyboard and Magic Mouse.
#BEST EXTERNAL SOLID STATE HARD DRIVE FOR MID 2011 IMAC UPDATE#
So then its a matter of the age of the drive does it offer the update or not if not you'll need the in-line sensor.For 2011, the entire iMac line goes quad-core with Core i5 CPUs (and even faster i7 build-to-order options), moves to Intel’s Sandy Bridge chipset, gets Turbo Boost 2.0 technology, adopts the next generation of AMD Radeon HD graphics processors, and gains the Thunderbolt technology introduced with the Early 2011 MacBook Pro models. I suspect this is related to the SMART update Apple was able to get in the standard. 2 and larger SSD's tend to get a a bit warmer! I strongly recommend putting in the OWC in-line sensor so the system is able to aggressively cool the system when the SSD gets too warm.Ģ013 and newer 27" iMac's with newer firmware appear to not to need the inline sensor. While using a Y connector cable can resolve the need for the OWC in-line sensor adapter it should only be used when the 3.5" drive is replaced with a 2.5" SSD and nothing larger than 1 TB.
It took awhile but the most of the current 2.5" drives incorporate the update so there is no issues. Apple proposed to the standards group an update too SMART. these are laptop drives which run cooler as they are slower RPM drives. A 2012 and newer 21.5" models use a 2.5" drive. The 2012 & 13 27" also uses a 3.5" drive and requires the inline sensor as the drives heat needs to be dealt with. With the SSD in place now, the only thing I can hear is my breath reflected by the glass screenĪ 2011 and older models use a 3.5" drive which requires the sensor. I went further and moved the internal HDD from SATA0 to SATA1 port to better accommodate the SATA connector for the SSD and this didn't create any adverse effects.Īnother member of the forum swapped the 1TB WD Black with a 2TB WD Black and again, no adverse effect, Hardware Test completed successfully. Guess what, fan speed is as quiet as it can get and the Apple Hardware Test passes successfully. I installed a Vertex3 SSD and used a plain 4 wire Y-splitter sata power cable which effectively discards the 3.3V from the apple's wiring and only feeds 5V and 12V to the original drive. The only difference is that they used 7 wires instead of 5, probably some extra grounds. The SATA data connectors are very standard and so is the SATA power cable feeding the hard drive. The OWC report is quite inaccurate and I wish they did some more testing or at least read the forums before creating mass panic. I'm copying a post comment in Appleinsider:
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