Their use of Intel ES (engineering sample) chips seems a bit questionable, though I've read that people usually have success with them. From http://www.intel.c

Their use of Intel ES (engineering sample) chips seems a bit questionable, though I've read that people usually have success with them. From http://www.intel.com/content/www/us/en/support/processors/000005719.html http://www.intel.com/content/www/us/en/support/processors/00...: -Intel ES Processors are the sole property of Intel. -Intel ES Processors are Intel Confidential. -Intel ES Processors are provided by Intel under nondisclosure and/or special loan agreement terms with restrictions on the recipient's handling and use. -Intel ES Processors are not for sale or re-sale. -Intel ES Processors may not have passed commercial regulatory requirements. -ES Processors are not covered under Intel warranty and are generally not supported by Intel They're also occasionally earlier steppings of the chip than the production version and may have some hidden issues. Caveat emptor.