Set of 2 Samsung M378B5173D80-CK0 4GB PC3-12800 DDR3-1600MHz non-ECC Unbuffered CL11 240-Pin DIMM Single Rank Memory Modules. Total 8 GB -- 2 - 4GB Modules. Boost your Desktop Memory with Samsung M378B5173D80-CK0 memory modules. Providing 4 GB capacity per memory module can be a game-changer for you. With DDR3-1600MHz of RAM Speed, and 240-Pins, it is one of the best memory modules offered in the market. Technical Specifications Manufacturer Samsung Capacity 4 GB Kit Single Module Error Correction non-ECC Unbuffered Module Quantity 1 Tested Speed 1600MHz PC Type PC3-12800 Compatibility Desktop PC Pins 240-Pin Memory Type DDR3 Rank Single Rank Product Types Desktop Memory Load Reduced No CAS Latency CL11 All items are securely wrapped and shipped in a sturdy mailer to assure a safe journey. PLEASE NOTE: Colors of the photographed items may vary slightly from the actual color of the item as all monitors and screens are calibrated differently. Images may also magnify certain flaws that are not as noticeable to the naked eye. Please view all images carefully as they are part of the description and can give a detailed view of the piece.