OWC - 32GB (4x8GB) PC3-8500 DDR3 1066 MHz 240 pin Memory RAM Upgrade Kit Compatible with 2009 iMac 27 inch,

Specifications

• Type of Memory (RAM)

  DDR3
  Form Factor

  Laptop
  Speed

  1066 megahertz
  Latency

  7
  CAS Latency

  7
  Lighting Type

  None