G.Skill 8GB PC3-17000. Internal memory: 8192 MB, Internal memory type: DDR3, Memory clock speed: 2133 MHz. Memory voltage: 1.65 V. Height: 40 mm. Compatibility: P8Z68 DELUXE P8Z68-V PRO P8Z68-V Maximus IV Extreme SABERTOOTH P67 P8P67 DELUXE P8P67 EVO P8P67 PRO