32GB (4GBx8) DDR3 ECC 1066MHz Memory for Early 2009 to Mid 2010 Mac Pro 4.1 and 5.1 8-core

32GB DDR3 ECC 1066MHz SDRAM for Early 2009 to Mid 2010 Mac Pro Models 4.1 and 5.1 8-core only. Contains eight (8) 4GB SDRAM memory modules that are specifically designed and SPD configured for the Nehelam and Westmere Mac Pro Models (3rd Generation). These ECC DIMMs include the Apple Specified Thermal EPROM Sensor that are compatible with the latest Apple Firmware. Specifications: Total Capacity: 32GB (4GBx8) Bus Speed: DDR3-1066MHz (PC3-8500) Form Factor: ECC DIMM, Dual Rank, Unbuffered No. of Pins: 240 Voltage: 1.5V CAS Latency: 7-7-7-20 Cycle Time: 5ns Bandwidth: 8.5GB/s ROHS Certified This is a sale item. No additional promotions or discounts apply. Watch our install video: or click here for Apple's installation guide (PDF.)