Is 1600 the same as 1666

[norrisb]

Saw a motherboard that accepts 1666/1300/1066 and people were using ddr3 1600 in it

http://www.newegg.com/Product/Product.aspx?Item=N82E16813128392

Can someone explain this to me

 

[GhislainG]

1066 is not the same as 1600, but it isn't that different: http://www.tomshardware.com/reviews/phenom-ii-ddr3,2319.html. Save some money and get quality 1066 or 1333 DDR3 modules.