DDR4 RDIMM/LRDIMM. 2666 / 2400 / 2133 MHz DDR4. Extended ATX (12.0" x 13.0"). 16 x DIMM slots. SuperMicro X10SLE-F Single Socket LGA 1150 E3-1200 v3/v4 C224 (Proprietary). SuperMicro X11SSE-F Single Socket LGA 1151 7th/6th Gen C236 (Proprietary).
eBay