3R Technology has a quantity of (600) 4GB & 8GB PC3/L-12800S RAM modules available.  Mixed models & MFG and the quantities available are: (450) 4GB AND (150) 8GB configurations. All our RAM modules are tested in accordance with the R2v3 standards, are classified as R2 key functions working and carry a 90-day guarantee. Clean and packed in RAM trays.  Send me your offers or questions and thanks for looking.