Other World Computing (OWC) today announced same day availability for 2GB to 16GB Fully Buffered DIMM (FB-DIMM) 667MHz DDR2 72 Bit ECC (error correcting) memory upgrade kits for the new Apple “Mac Pro Quad Xeon” tower. OWC Mac Pro upgrade kits are comprised of matched pairs of FB-DIMM modules that use Apple-Qualified Heat Spreaders and meet Apple’s Mac Pro Quad Xeon memory specifications, including the special thermal requirements that standard JEDEC modules fall short of. OWC Memory is backed by a Money-Back Guarantee and Lifetime Advance Replacement Warranty.