Specfication: 1. Brand: – 2. Application: Desktop computer 3. Function: NON-ECC 4G DDR3 1600Mhz 1. Type: DDR3 2. Capacity: 4G 3. Frequency: 1600Mhz 4. Transmission standard: PC3-12800 5. Working voltage: 1.5V 6. Sequential: 17-17-17 7. Interface: 240pin 8. Product size: 133*30mm Features: 1. Selected original chip, strict digit test, original A+ Grade DRAM chip, more durable. 2. 8-10 layer PCB, choosing high quality PCB VS.2-4 layers PCB. Passed high frequcency semiconductor testing equipment. 3. Electroplating, extra protection. Super wearproof protects the fragile golden finger Note: 1. Due to different production batches, you may receive different colors, but the performance of the product is the same. 2. If you want to expand the computer memory, you must first to ensure the maximum memory capacity that the computer system and the motherboard can support, the rest of memory slots on the motherboard and the type or specification of the supporting extended memory. Pacage included: 1* 4G DDR3 1600Mhz Computer Memory Ram