8GB DDR3 1333MHz PC3-10600U Desktop Memory RAM Compatible

Due to the operating system limitation, the actual memory size may be less than for the reservation for system usage under ® 32-bit OS. For ® 64-bit OS with 64-bit CPU, there is no such limitation. The Recognition of XP is around 3GB,The Recognition of Win 7 32Bit is around 2.26-4.5GB,The Recognition of Win 7 32Bit is around 8-16GB Before purchasing rams, please confirm which model is suitable for your Desktop/Laptop, usual models are as bellow: PC100 = SDRAM 100MHZ PC133 = SDRAM 133MHZ PC3200 = DDR1 400MHZ (Compatible with DDR1 333MHZ, DDR1 266MHZ) PC2700 = DDR1 333MHZ (Compatible with DDR1 333MHZ) PC2100 = DDR1 266MHZ 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 PC3 8500 = DDR3 1066MHZ PC3 10600 = DDR3 1333MHZ(Compatible with DDR3 1066MHZ ) PC3 12800 = DDR3 1600MHZ (Compatible with DDR3 1333MHZ, DDR3 1066MHZ ) Attention: DDR,DDR2 & DDR3 work in different voltage, cannot be compatible each , please DO NOT TRY with wrong motherboard. If you DO NOT know about frequency of your computer, please confirm with software CPU-Z Type: 240Pin-Pin DDR3 SO-DIMM : 4PCS X2GB Speed: DDR3 1333 MHz (PC3-10600)
Buffering/Ecc: Non-ECC Unbuffered