A:AnswerIt's sold as you see it on here I just got mine. Already has a few outs and USB ports integrated, but I had to order the graphics card, the CPU, RAM, power supply, the HDD and the RGB fans separately.
A:AnswerTPM hardware provides a tamper-resistant way to store encryption keys on a computer. They are not required for boot. The TPM plugs into the motherboard and the thermal sensor uses a wire to connect it to the motherboard and can be dissabled.