Single board/SoC Server

I was wondering if anyone knew of any embedded or SoC type servers. I'm think something similar to AMDs upcoming ARM server. I have a home server going, but the motherboard is failing. I would use it for hosting my website, file and media serving, and a couple other simple things like that. Any ideas?

Any board that has SATA connectors (for internal disks) or USB connectors (if you rather want to use external disks) would do the job, for example the Olimex OlinuXino Micro A20, Cubietech Cubietruck (both with dual-core ARM CPU, SATA and USB connector) or the BeagleBone Black (single-core ARM, USB only). Even the Raspberry (single-core ARM, USB only) should be appropriate.

I have four drives I need to connect and they're all internal. The AMD ARM board that's being release sometime this year is server grade. There are quad core and eight core variants that are Cortex-A57 at 2.4 GHz I think, it uses DDR3 and/or DDR4 ram, it has six SATA III ports, two 10Gb ethernet ports, and actually has PCIe slots. I know it's not a single board system, but they're SoC boards and the quad core is only going to be $100. I was hoping I could find something along those lines, but I'm thinking AMD might be the first to do something like that in terms of full ATX sized ARM motherboards. I might just have to wait for it.

Are you looking for the SoC, or a full system based on one of those? There's a whole world of difference. Building a system from just the SoC would be a large project. Really large, and not cheap. If you're looking for a complete system, why do you care about the internal makeup? What's the premise for your choice?