CREATE TABLE table_36528 ("HyperTransport version" FLOAT, "Year" FLOAT, "Max. HT frequency" TEXT, "Max. link width" TEXT, "Max. aggregate bandwidth  ( bi-directional ) " TEXT, "Max. bandwidth at 16-bit unidirectional" TEXT, "Max. bandwidth at 32-bit unidirectional*" TEXT)

What Hyper Transport version has 22.4 gb/s of Max. Aggregate bandwidth?
SELECT "HyperTransport version" FROM table_36528 WHERE "Max. aggregate bandwidth (bi-directional)" = '22.4 gb/s'
SELECT "HyperTransport version" FROM "table_36528" WHERE "Max. aggregate bandwidth (bi-directional)" = '22.4 gb/s'