1. Adopted of high quality electronic components, and accuracy process, for the durability 2. Single capacity and DDR3 1333Mhz operating frequency 3. particles make the product run more stable 4. Professional design and stable performance, easy to use 5. Dedicated to server memory, support workstations, single, dual, multi-way motherboards, etc. Item Type: Server Ram Capacity: 4GB Type: DDR3 240Pin RECC Memory. Speed: PC3-10600 1333MHz Compatible Motherboard: Support dual CPU motherboard, single CPU motherboard support single-channel motherboards Fit for Some modified or brushed BOIS motherboards, modified X58 and X79 motherboards Compatible Platform: (such as 1366 2011 platform, X58 X79) (only part, need to confirm buying) Different batches, product appearance and color may be different, does not affect the use color:Silver :Metal+PCB size:13.3 x 3CM Package Contents: 6 x Ram Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.