Specs on first buld (need help)

snerts48

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Jan 10, 2010
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Trying to find the correct ram for my motherboard. The board supports xmp I'd like the ram to do the same just in case I decide to overclock in the future. The base numbers recommended are DDR3 1333/1066 ECC,non-ECC,un-buffered. All I can find is /10600 or /10660 or /10666. What's the deal on the second set of numbers? Since the board will support up to DDR3 2000 in overclock do I choose a higher speed stick even if I don't overclock until sometime in the future? The second problem I want to install a SSD. The board supports SATA 3Gb/s but again (on newegg) I can't find one with the 3Gb/s for the interface. Is there another term for SATA 3Gb/s? i7-920 2.66GHz LGA 1366 130W
ASUS P6T7WS Supercomputer
SAPPHIRE 100281SR RADEON HD 5870
LIAN LI PC-PSO BLACK ALUMINUM ATX
FULL TOWER
Any help is appreciated, if you see any problem with the rest of the build, please let me know.