Purley 2U,12x3.5” 8 SAS/ SATA +4NVMe tri-mode HDBP with EXP, Rear 2x2.5” SAS/ SATA, C621 MB, 24 DIMMs Slots, with 2x800W PSU Barebone Including 2U HSINK, 2U Tooless Rail Kit - SR205-2 (CAH80810041)