Suitable for upgrade older computers. Features: PC3-10600 (1333MHz) Data Rate 204-Pin Dual in-line memory module Non-ECC Unbuffered 2 Rank Double-sided module 7.8US update interval (8192 CYCLES/64ms) Power requirements 1.5 V automatic refresh capability PCB height: 3 cm Serial Presence-Detect (SPD) 100% tested In accordance with RoHS and JEDEC Other specifications can be found on the manufacturer website or in the attached datasheet - see the download tab.