The current PC hardware landscape is unfriendly to say the least. The DRAM price hike has made building a new PC basically untenable, and many are turning to the used market to at least try and offset costs a little bit. If you’ve made an upgrade to your system recently, or have older RAM lying around, you might be tempted to jump into the used market to make a buck, and while I wouldn’t blame anyone for that, there are other ways to use your extra RAM that don’t involve selling it.