• Refer the user manual below for troubleshooting
• Outrageously fast 1333MHz performance using 4GB of memory with 9-9-9-24 latency at 1.5v
• Backed by Corsairs Lifetime Warranty and excellent customer support
• Intel XMP (Extreme Memory Profile) Support

Corsair XMS3 4 GB 1333MHz PC3-10666 240-pin DDR3 Memory Kit for Core i3 i5 i7 and CMX4GX3M1A1333C9

Please feel free to ask if you have the product which I do not list.I will do my best to provide at competitive price.