KT266 boards have been out for a while now. KT266A boards are just beginning to come out.
What’s the difference? Essentially, the North Bridge has been revised to improve memory performance. You definitely want a KT266A board rather than a KT266 board.
As you will see, most mobo manufacturers and/or retailers with current KT266 boards aren’t exactly making it easy to figure out which is which.
So we will.
This one is particular important to note. Both of these are just becoming available. The A7V266 is starting at about $135, which is more expensive than most of the KT266A boards out there. The
A7V266E, which is the one with the KT266A chipset, is available at just one place for $180.
Don’t buy an A7V266 thinking you’re getting the latest for your money, you’re not.
(These guys are real confused; they call it a KT266 in their product description, and a KT266A in an ad).
MSI 6380-030 or 010 (aka K7T-266-PRO or LE): 266
MSI 6380-060: (aka K7T-266-PRO2): 266A
MSI 6380-067: (aka K7T-266-PRO2-RU): 266A
AK31 v2.0: 266
AK31 v3.1: 266A
SY-K7V Dragon: 266
SY-K7V Dragon Plus: 266A