Product Details Module Name: PC2-5300F Speed: 667 MHz Data Integrity Check: ECC Kit Storage Capacity: 64GB (8 x 8GB) Condition: Fully Tested, Refurbished Warranty:1 Year Warranty Each 8GB DDR2-667 MHz PC2-5300F Fully Buffered Server Memory Kit has been tested to ensure the best quality for all customers. To boost your server's performance buy your 64GB PC2-5300F upgrade today!