Note: For . Memory Chip: 8 IC Type: DDR3 Laptop Function: Non-ECC Memory Socket: Sodimm Frequency: 1600Mhz Number of Pins: 204 pins Capacity: 4GB Voltage: 1.35V Unbuffered, Non-ECC, and Non-registered DDR3 1066= PC3-8500 DDR3 1333= PC3-10600 DDR3 1600= PC3-12800 Pins on RAM Memory 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 words on the product may vary, which does not affect the use. Color: random color, specified color is not accepted For Material: PCB Package Contents: 1 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 picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3cm.