CREATE TABLE table_74151 ("Product Name" TEXT, "Form Factor" TEXT, "Storage Medium" TEXT, "Max Usable Capacity  ( GB ) " FLOAT, "Speed  (  IOPS  ) " FLOAT, "Latency  ( microseconds ) " FLOAT, "Bandwidth  ( GB/s ) " TEXT)

What is the ramsan-810 transfer delay?
SELECT COUNT("Latency (microseconds)") FROM table_74151 WHERE "Product Name" = 'RamSan-810'
SELECT COUNT("Latency (microseconds)") FROM "table_74151" WHERE "Product Name" = 'RamSan-810'