ProVantage has the HPE Proliant ML30 Gen10 Server Xeon with 16GB RAM for $280
This is about 1/2 of the typical price for this model. Multiple models in stock with similar specs.
HPE P06785-S01 Specifications
HPE Proliant ML30 Gen10 E-2124 Quad-Core 16GB 4LFF S100i 350W 1-Year
In-stock model:
https://www.provantage.
List of options:
https://www.provantage.