Starting today, Amazon EC2 High Memory instances with 12TB of memory (u-12tb1.112xlarge) are available in the US East (Ohio) region. Additionally, high memory instances with 6TB of memory (u-6tb1.56xlarge, u-6tb1.112xlarge) are now available in the South America (Sao Paulo) region and instances with 3TB of memory (u-3tb1.56xlarge) are now available in the South America (Sao Paulo) and Asia Pacific (Sydney) regions.