Archive for August, 2013

1000 watt gold-rated modular power supply for $125 after rebate at Amazon

Amazon currently has an excellent deal on a Cooler Master 1000 watt gold-certified fully modular power supply. It’s $125 after a $30 mail-in rebate, which makes it about $75 cheaper than its normal price (new units on eBay typically sell for nearly $200). This PSU is reportedly a re-badged Seasonic and should have no problem […]

Android Bitcoin & Litecoin wallets potentially vulnerable to theft due to coding flaw

Due to a serious flaw in the Java secure random number generator used by many Bitcoin applications on the Android operating system, any wallets generated by Android apps are potentially vulnerable to theft. While the advisory on bitcoin.org only mentions Bitcoin, the flawed code is also used in many Android Litecoin wallets, and probably also […]

Sapphire 7970 GPU $299 after rebate at Amazon

Amazon is currently selling Sapphire 7970 video cards for about the same price as a 7950—$299 after a $20 rebate. While I generally don’t recommend Radeon 7970 GPUs as my top choice for mining due to their higher power consumption and up-front cost compared to the 7950, if you have abnormally cheap electricity or plan to […]

CyberPower 900W Intelligent UPS deal at Amazon

If any of you are looking for a quality UPS & surge protector for your mining rigs, Amazon currently has a deal on a 900 watt CyberPower unit. 900 watts is plenty for a three GPU rig and will give you enough time to cleanly shut down your rig in the event of an outage […]