Many larger FPGA-development kits. NVME for storage maybe not right now, but as an add-on via 'Mezzanine' card atop the dev-kit.
Basically some dual- to quad-core arm embedded into the fpga, various amounts of memory, sometimes expandable via SODIMM, and so on.
NOT cheap!
https://www.xilinx.com/products/design-tools/embedded-softwa... would be cybertrash from Xilinx as offer to run on the ARM-Cores.
edit: Former Altera, now Intel-FPGA isn't really better.
Prepare for a world of hurt, if doing anything with FPGAs, and their proprietary tool chains. Prepare for another world of hurt, if thinking they would be supported by open-source tool chains in a sufficient way, or that the the few alternative solutions which are fully supported by them would be enough.
I'll show myself out now...(rambling)