SanDisk/ZDNET Follow ZDNET:  Add us as a preferred source  on Google. Whether you need a high-capacity SSD for large game downloads, raw and rendered videos or photos, a digital art portfolio, or just to back up your PC and documents, the SanDisk Desk Drive is an almost-perfect option with up to 8TB of space. And right now at Best Buy, you can save almost $1,200 on one, bringing the price down to $740 -- that's nearly 62% off, a rare deal in this time of skyrocketing storage costs. Also: Best Buy is selling this 4TB WD Black SSD for 65% off right now - and I'm seriously tempted The SanDisk Desk Drive packs 8TB of storage into a compact design, measuring just 3.9 x 1.58 inches and weighing just over half an ounce. This makes it ideal for tucking away on a smaller desk, in a drawer, or in a travel bag for mobile professionals. It uses USB-C connectivity for read and write speeds up to 1,000MB/s.…