CREATE TABLE table_74154 ("Product Name" TEXT, "Form Factor" TEXT, "Storage Medium" TEXT, "Max Usable Capacity  ( GB ) " FLOAT, "Speed  (  IOPS  ) " FLOAT, "Latency  ( microseconds ) " FLOAT, "Bandwidth  ( GB/s ) " TEXT)

List the range distroration for the ramsan-630
SELECT "Form Factor" FROM table_74154 WHERE "Product Name" = 'RamSan-630'
SELECT "Form Factor" FROM "table_74154" WHERE "Product Name" = 'RamSan-630'