Product Details Module Name: PC3-12800R Speed: 1600 MHz Data Integrity Check: ECC Kit Storage Capacity: 16GB (4 x 4GB) Condition: Fully Tested, Refurbished Warranty:1 Year Warranty Each 4GB DDR3-1600 MHz PC3-12800R ECC Registered Server Memory Kit has been tested to ensure the best quality for all customers. To boost your server's performance buy your 16GB PC3-12800R upgrade today!