Which server to choose for programmers in Visual Studio?

Question

Iron

Requires a server for 6 programmers. Work in Visual Studio. Simultaneous operation in terminal mode is assumed.
What would be preferable - self-assembly on a ryzen 9 3900X or take a branded bu?
For example DELL PowerEdge R720xd Perc H710/512 2*750W, 2xXeon E5-2690(8 Core, 2.9/3.8 GHz, 8Gt/s), 64GB DDR3-10600R - 2000$
or HP ProLiant DL385p Gen8 P420i 4x1Gbe 2*750W, 2xAMD Opteron 6376 (16 Core, 2.3GHz), 128GB DDR3-10600R - $1500
No more than $2000.