CREATE TABLE table_6312 ("Model" TEXT, "Codename" TEXT, "Capacities  ( GB ) " TEXT, "NAND type" TEXT, "Interface" TEXT, "Form factor" TEXT, "Controller" TEXT, "Seq. read/write MB/s" TEXT, "Rnd 4KB read/write IOPS  ( K ) " TEXT, "Introduced" TEXT)

Which value for Form factor has Sandforce with Capacity 80/120/180/240/360/480 introduced in July 2013?
SELECT "Form factor" FROM table_6312 WHERE "Controller" = 'sandforce' AND "Capacities (GB)" = '80/120/180/240/360/480' AND "Introduced" = 'july 2013'
SELECT "Form factor" FROM "table_6312" WHERE "Capacities (GB)" = '80/120/180/240/360/480' AND "Controller" = 'sandforce' AND "Introduced" = 'july 2013'