> although if there's no real performance hit, you may as well just enable it Even if it is no-cost performance wise, it still costs energy, which translates t

> although if there's no real performance hit, you may as well just enable it Even if it is no-cost performance wise, it still costs energy, which translates to heat and CO2. > protect against extremely sophisticated attackers I agree, and I'm very doubtful whether any attacker with this level of sophistication and access (i.e. physical to the DIMMs) won't have quite a few other venues of attack that are still viable.