The SSD you can use on its own, go buy an RTL9210B USB enclosure and you’ve got a nice and fast portable flash drive. I bought a handful of all metal 9210 enclosures on AliExpress for like $10/ea.
Sell the ram for fun money, there’s nothing you can do with it on its own.
There’s no real point to building a PC around 2x4gb ram, you can buy a mini PC with 8 or 16gb for $50 on fleaBay.