OWC 4GB DDR3 1066MHz Memory Module OWC8566DDR3S4GB

OWC 4GB DDR3 1066MHz Memory Module OWC8566DDR3S4GB OWC memory is specifically engineered for compatibility with Mac only. The 4GB DDR3 1066 MHz SO-DIMM Memory Module from OWC / Other World Computing has a clock speed of 1066 MHz and a 204-pin SO-DIMM form factor. It is fully compliant with JEDEC specifications and is RoHS certified. Features Technology: DDR3 SDRAM Density: 4GB (4096MB) RoHS: Yes Pin Count: 204-pin Op. Temp.: 0C to +85C Data Rate: DDR3-1066 Speed: PC3-8500 CL: CL = 7 Cycle Time: 1.875ns Voltage: 1.5V ECC: Non ECC Module Ranks: Dual Rank Register: Non Parity Low Noise 8-Layer PCB Meets and/or Exceeds Apple/Intel Specifications Fully compliant with JEDEC specifications Memory Upgrade Module PC3-8500 for Early 2009, Early 2010 MacBook, MacBook Pro "Unibody" Models, 2009/2010 Mac mini, and 2009 iMac Models.