We all know the deal with Thunderbolt by now: it’s Apple’s superfast, new-ish transfer medium, capable of transferring data at up to 10 Gbps. At this point, every Mac but the Mac Pro has at least one Thunderbolt port. Other than Apple, only a few companies are making the cables. Kanex is now offering not only the least expensive basic Thunderbolt Cable ($43-$69) we’ve seen, but also varying lengths.