iFixit iMac Intel 27" Mid 2011 Dual Hard Drive Kit Speed_DDR4-2133 This bit set is the

This bit set is the base of the very popular Essential Electronics Toolkit—a great value set of tools for simple electronics repairs

Please Note - For 2012 and later models

Dramatically improve performance and handle larger user and application workloads in your mission critical workstations and servers with this 32GB (2x 16GB) DDR4 2666 MT/s 260-pin SODIMM RAM kit from Samsung

Why you should choose WD Scorpio Blue drives:

iFixit iMac Intel 27" Mid 2011 Dual Hard Drive Kit Speed_DDR4-2133 This bit set is theiFixit iMac Intel 27" Mid 2011 Dual Hard Drive Kit Key Specifications Form Factor: Dual Hard Drive Kit Warranty: 1 Year Condition: New Dual drive power in your 27" iMac The complete kit includes all the tools and cables you need to install a second drive. Just add an iMac and new hard drive or SSD of your choice. Compatible with all processor speeds, regardless of whether or not Apple offers the additional SSD option for your machine. Does not require