CREATE TABLE table_19202 ("Designation" TEXT, "Bus width  ( bits ) " FLOAT, "Channels" TEXT, "Clock rate  ( MHz ) " FLOAT, "Bandwidth  ( MB/s ) " FLOAT)

Name the bus width bits when bandwidth mb/s is 3200
SELECT "Bus width (bits)" FROM table_19202 WHERE "Bandwidth (MB/s)" = '3200'
SELECT "Bus width (bits)" FROM "table_19202" WHERE "Bandwidth (MB/s)" = '3200'