Please note: For Intel only. Memory chip: 16 IC Type: DDR3 Laptop Function: Non-ECC Memory Socket: SODIMM Frequency: PC3 12800 / 1600MHz Number of Pins: 204 pins Capacity: 4GB Voltage: 1.5V Unbuffered, Non-ECC, Non-Registered DDR3 1066 = PC3-8500 DDR3 1333 = PC3-10600 DDR3 1600 = PC3-12800 Memory RAM Pin Count: DDR for Desktop = 184 pins DDR for Laptop = 200 pins DDR2 for Desktop = 240 pins DDR2 for Laptop = 200 pins DDR3 for Desktop = 240 pins DDR3 for Laptop = 204 pins Due to different batches, the appearance, color, and printed text on the product may vary. This will not affect performance. Color: Random color; specific color requests cannot be accommodated Material: PCB Package Contents: 1 x RAM module Note: Other products are not included. Light reflection and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3 cm.