As part of Tigerdirect.com’s $99 or Less Deal the Ultra 650W ATX, SATA-Ready, and SLI-Ready Power Supply (model no. LSP650) has been reduced to $49.99 in price, which is $50 off its original cost of $99.99, and about $10 less than the next lowest price we have seen for this power supply. Also included with this deal is a built-in 13mm fan and lifetime warranty. Shipping rates for this deal start at $6.93, and sales tax applies for residents of Florida, Illinois, Texas, and North Carolina.

The less powerful Thermaltake TR2 430W Power Supply has dropped in price this week to only $39.99, and includes a $15 mail-in rebate that lowers it even more down to $24.99; FREE shipping is also included. Nextwarehouse.com has the Cooler master eXtreme Power Plus 500W Power Supply available for $39.84, and also includes FREE shipping. Check out Compusa.com and save $30 on the XION Power Real ATX 1000W Power Supply, now priced at $99.99.