Newegg has the Synology Diskstation DS1821+ 8-Bay NAS Enclosure for $1000 - $150 off with coupon code SYN42822Y in cart = $850 with free shipping.

Has eight 3.5" / 2.5" SATA drive bays, two M.2 2280 NVMe SSD slots, two eSATA ports, 2.2GHz AMD Ryzen V1500B CPU, and 4GB DDR4 RAM.