Actual item manufacturer or batch number may vary Model: DDR2 SODIMM Capacity: 4GB Frequency: 667Mhz Function: DDR2 200PIN Scope of application: Laptop Memory Pins Desktop DDR=184Pin Laptop DDR=200Pin Desktop DDR=240Pin Laptop DDR2=200Pin Desktop DDR3=240Pin Laptop DDR3=204Pin Read first XP recognition is about 3GB Win 7 32bit recognition is about 2.26-4.5GB Win 7 recognition 32-bit is about 8-16GB to buy RAMs, please confirm which model is suitable for your laptop, the usual models are as follows: PC2 4200 = DDR2 533MHZ PC2 5300 = DDR2 667MHZ (Compatible with DDR2 533MHZ) PC2 6400 = DDR2 800MHZ (Compatible with DDR2 667MHZ, DDR2 533MHZ) PC2 8500 = DDR2 1066MHZ The appearance and color of different batches of products may be different, which will not affect the use. Color: random colors, don't accept the specified color Material: PCB Size: 7x3cm Package Contents: 1 * RAM Only the above package content, other products are not included. Note: Light shooting and different displays may