Before purchasing a 4 GB DDR3 RAM for your desktop, make sure that your system is compatible to run a DDR3 RAM. Once you have ensured this, you can move forward and check speed, timings, multi-channel kits, pins, and other essential factors while zeroing down on the best model of 4 GB DDR3 RAM for a desktop. If affordability is your concern, you can buy online and avail some of the existing deals and discounts on such RAMs. As there are many online portals like Flipkart, Amazon, eBay, etc., you will not face any hassles while buying a perfect 4 GB DDR3 RAM for your desktop. You can even make price comparison using our price comparison tool and buy your selected product from the store that offers the lowest price.