CREATE TABLE table_16338 ("Model" TEXT, "RU" FLOAT, "Max processors" TEXT, "Processor frequency" TEXT, "Max memory" TEXT, "Max disk capacity" TEXT, "GA Date" TEXT)

What max processor has a maximum memory of 256 gb?
SELECT "Max processors" FROM table_16338 WHERE "Max memory" = '256 GB'
SELECT "Max processors" FROM "table_16338" WHERE "Max memory" = '256 GB'