CREATE TABLE table_27615520_1 (latency__microseconds_ VARCHAR, product_name VARCHAR)

What is the ramsan-810 transfer delay?
SELECT COUNT(latency__microseconds_) FROM table_27615520_1 WHERE product_name = "RamSan-810"
SELECT COUNT("latency__microseconds_") FROM "table_27615520_1" WHERE "RamSan-810" = "product_name"