Model A1225 / Mid 2007 and Early 2008 / 2.4, 2.8, or 3.06 GHz Core 2 Duo processor

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Adding SSD to 2007 24" iMac

I have a 2007 24" iMac which I am currently upgrading. The machine currently has a 500GB 3.5" HDD and I have removed the optical drive (which doesn't work) and mounted the SSD (Samsung 850 EVO 250GB) in a caddy to this bay.

The caddy has an IDE port which I have connected to the IDE cable for the optical drive. Put the machine back together and now IOS does not recognise the SSD. I have spoken to Apple Support and they can't help as they can't see the machine!

I have a feeling that the IDE cable could be faulty but I can't find a replacement anywhere. I have also been told by a third party Apple technician that the SSD is probably not compatible with IDE.

I'm now completely stuck! Both drives use a SATA cable for data and power and I cannot find any way of mounting both drives in the machine.

The aim of this upgrade is for me to have both drives inside the machine. The SSD will run the IOS and apps (Photoshop, Lightroom etc etc) and the 500GB will simply be for data. I don't really want to faff around getting an enclosure and having the 500GB drive as external.

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Sadly, you're between a rock and a hard place :-(

The IDE interface is very slow so it won't be very good for the SSD. Instead you could put a 2.5" SATA I (1.5Gb/s) HD in the carrier. Then put the SSD where the 3.5" HD is using an adapter frame.

You still may have an issue here with the SSD as it may not be compatible. You see the SATA I/O speed of this system is only SATA I (1.5 Gb/s) so the drive you get must be able to run at this speed. Many of today's SSD's are SATA III (6.0 Gb/s) which is way to fast. Some drives have auto sense technology so they will match up to the systems SATA port speed. But without knowing what SSD unit you have I can't tell you if it will work or not.

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