They use different kind of technology which controls how the data is stored, packed and retrieved, read/write-speed, error handling and reliability. As with the old VHS vs Beta, and the last HD-disc vs BlueRay – The DVD-R and DVD+R were developed by different manufacturers, Phillips and Sony as the main contributors. Basically the minus, plus

The driver for the Cooler Master SK630 can be downloaded on the product page It is called Cooler Master Portal, and my thoughts on it remain the same as when I last checked it out even though there has been a slight update from v1.00 to v1.01. The installer downloads as an archive and is