Transcend JM800QLU-2G, JetRam. Internal memory: 2048 MB, Internal memory type: DDR2, Memory clock speed: 800 MHz. Memory voltage: 1.8V ± 0.1 V. Width: 18.3 mm, Depth: 1.27 mm, Height: 133.35 mm. Certification: ISO9001. Size: 18.3 mm (0.72 ")