Which one is the best in terms of noise/cooling
XFX Double D 7950 http://www.memoryexpress.com/Products/MX37656
ASUS DCUII http://www.memoryexpress.com/Products/MX37641
Sapphire Dual X http://www.memoryexpress.com/Products/MX40316
Gigabyte Windforce X3 http://www.memoryexpress.com/Products/MX37647
XFX Double D 7950 http://www.memoryexpress.com/Products/MX37656
ASUS DCUII http://www.memoryexpress.com/Products/MX37641
Sapphire Dual X http://www.memoryexpress.com/Products/MX40316
Gigabyte Windforce X3 http://www.memoryexpress.com/Products/MX37647