Slot SBC & Backplanes

ASUS IoT SBC Single Board Computer C381S-IM-AA Intel Core i3 slot sbc In the ideal arrangement, this should come in at a price under $200 each, if it really is just the SOC, basic IO, SFP+ cage, and slot - slot win 168 Isn't storage specific? eg not a useful PCIe slot for anything other than plugging in an SSD

slot gacor hd RACK-2100GBRACE-R4130AP 2U 6-SLOT 19 Industrial Rackmount Chassis for Full-Size PICMG SBC