Axion AXG23691980/1Brand NewIncludes Lifetime WarrantyProduct # AXG23691980/1Axiom offers the most extensive line of memory solutions today. With our decades of experience specializing in memory, Axiom is a proven manufacturer to the semiconductor industry. Our great products combined with our world class service and support have helped us to where we are today. When you have an Axiom memory chip, you can count on it being the best available memory for your system. AXG23691980/1 Features: Memory Size: 4 GB Memory Technology: DDR3 SDRAM Memory Speed: 1066 MHz Memory Standard: DDR3-1066/PC3-8500 Error Checking: ECC Signal Processing: Unbuffered Number of Pins: 240-pin Form Factor: DIMM Thickness: 157.5 mil