MT55L256L18P1T-7.5 MT55L256L18P1T-7.5IT MT55L256L18P1T-7.5TR MT55L256L18PI MT55L256L18PI-7.5A MT55L256L18PI-7.5ITA MT55L256L18PT-7.5 MT55L256L32FF-10 MT55L256L32FF-10 ES MT55L256L32FF-11