Guaranteed compatible upgrades for:

Apple iMac 2007 (Mid) Core 2 Duo 2.4 GHz 20-inch (iMac7,1)

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Samsung 870 Evo 4TB 2.5" 7mm SATA III Internal SSD

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WD Black 4TB 7200RPM 128MB Cache SATA 6.0Gb/s 3.5" Desktop Internal Hard Drive

Crucial MX500 2TB 2.5" 7mm SATA III Internal SSD (with 7mm to 9.5mm spacer)

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Crucial MX500 1TB 2.5" 7mm SATA III Internal SSD (with 7mm to 9.5mm spacer)

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Hynix 4GB (2x 2GB) DDR2-667 PC2-5300 1.8V DR x8 200-pin SODIMM RAM Kit

Crucial MX500 500GB 2.5" 7mm SATA III Internal SSD (with 7mm to 9.5mm spacer)

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Crucial MX500 250GB 2.5" 7mm SATA III Internal SSD

Save $0.10

OWC General Servicing Kit for all Apple iMacs 2007 and Later

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ORICO 2.5"/3.5" SATA III HDD/SSD to USB3.0 (USB-A) Aluminium Enclosure Case

Hynix 2GB (1x 2GB) DDR2-667 PC2-5300 1.8V DR x8 200-pin SODIMM RAM Module

NewerTech AdaptaDrive 2.5" to 3.5" Drive Converter Bracket

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System Specifications

Maximum Memory:

4GB (Original Apple Specs)
6GB (Confirmed by 100's of our customers: 2GB + 4GB)

Expansion:

2 Sockets

Standard Memory:

1GB (Removable) or
2GB (Removable)

CPU/Chipset:

Intel Core 2 Duo 2.4 GHz

Bus Architecture:

SSD - SATA 2.5-inch 9.5mm

Mfr's System P/N's:

MA876B/A; MA876LL/A; MA877B/A; MA877LL/A; MB199xx/A; MB200xx/A

Upgrade Path:

Virtually any configuration up to 6GB can be reached using any combination of 1, 2 and 4GB modules or kits. When installing a new SSD ensure the temp sensor is adhered to the new drive correctly.

Comments:

iMac7,1 Mid 2007 20-inch EMC 2133

INSTALLATION GUIDES

- RAM upgrade guide
- HDD/SSD upgrade guide
- Dual HDD/SSD install guide

RAM Upgrade

Although only 4GB is 'officially' supported by Apple, the information is out of date and this iMac can actually be upgraded to a total of 6GB of RAM (4GB + 2GB). Choose your ram modules on the left. The only tools you need are a Phillips #1 Screwdriver and a Spudger. Then follow this guide to install the RAM.

HDD->HDD

This iMac has a 320GB/500GB 3.5-inch factory HDD connected to a 3Gb/s SATA port. To upgrade the existing HDD, you’ll need a larger 3.5-inch HDD along with the general servicing kit. No additional thermal sensor cable is needed in iMac’s up to the late 2009 models.

To clone your existing OS/app setup first, purchase an external 3.5-inch HDD enclosure or dock and put your new HDD in it, then use the Super Duper app to perform the clone, then switch the drives. The enclosure can permanently house your old HDD.

HDD->SSD

Even though this machine has a second generation SATA port, significant I/O and data transfer rate gains can be had by upgrading the factory 3.5-inch HDD to an SSD. For this, you’ll need to purchase any 2.5-inch SSD along with the same general servicing kit. Plus, you’ll need to add in the OWC Adaptadrive 3.5-inch to 2.5-inch drive converter.

To clone your existing OS/app setup first, purchase a cloning cable or 2.5-inch HDD/SDD enclosure to connect your new SSD to your mac, then use the Super Duper app to perform the clone, then switch the drives. Your old 3.5-inch HDD can be housed in this enclosure.

HDD + HDD/SSD

It’s also possible to add in a HDD/SSD by removing and replacing the existing Optical Drive. For this, you’ll need to purchase any 2.5-inch SSD along with the same general servicing kit. Plus, you’ll need to add in the Optical Bay SATA HDD/SSD Enclosure.