Even with this solution and well-designed code, a trader needs external infrastructure that plays on the same low-latency level. Most HFT strategies aren't as

Even with this solution and well-designed code, a trader needs external infrastructure that plays on the same low-latency level. Most HFT strategies aren't as secret as you think; there are usually dozens of shops running similar trades. For that reason, something like this needs to be jacked directly into an exchange co-lo or connected through dedicated fiber. In short, the cost of this blade is just the start if you want to play with the gunslingers. Somebody else mentioned that there are prop shops that will give you the infrastructure you need for a cut of your profits. Some will even front the cash you need to trade. One such place is HTG Capital Partners of Chicago, which is where much of the HFT world is centered.