Actual Items manufactor or Batch Number Full Tested. Memory capacity: 4GB Memory frequency: 1600/12800 Memory type: DDR3 Applicable models: Desktop Number of pins: 240 pin Particle package: BGA Memory voltage: 1.5V DDR3 1066 = PC3-8500 DDR3 1333 = PC3-10600 DDR3 1600 = PC3-12800 DDR3 1866 = PC3-14900 Pins of Memory Ram: 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 Note: The products are slightly different for different batches, which will not affect the use Colour:green Material: PCB Size:Length: 13.3cm Package Contents: 1 x Ram Memory 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.