I would like to go ahead and order the following:

    1. MBD-X10SDV-TLN4F-O Mini ITX Server Motherboard ( with 6x SATA ports)  .... $1195 x1  Local stock available
    2. Power supply - P/N: CP-9020048-US    CX600 600W 80PLUS Bronze,  Price is $ 109
    3. two cable splitters for P/S
    4.  2 x 16GB ECC memory                                                  .......$118  x 2   Local stock available
    5.  2 x SFF-8087 to 4x Latching SATA cables  80cm ...................$39    x 2   Local stock available
    6. 120Gb  m.2 PCIe SSD ............................$99   x 1      Local stock available

Check for ECC memory:
Ub18-zbox:~# dmidecode -t 17
# dmidecode 3.1
Getting SMBIOS data from sysfs.
SMBIOS 2.8 present.

Handle 0x0029, DMI type 17, 40 bytes
Memory Device
	Array Handle: 0x0027
	Error Information Handle: Not Provided
	Total Width: 72 bits     <== 72 means is ECC memory
	Data Width: 64 bits
	Size: 16384 MB
	Form Factor: DIMM 
        ....

SuperMicro MBD-X10SDV-TLN4F-O

Supported CPU
CPU Socket Type: BGA
CPU Type: Intel Xeon processor D-1541

Memory
DDR3 Standard: DDR4 SDRAM
DDR4 Standard: 2133 / 1866 / 1600MHz ECC DDR4 ECC RDIMM and ECC / Non-ECC UDIMM
Maximum Memory Supported
Supports up to 128GB DDR4 ECC RDIMM
Supports up to 64GB DDR4 ECC / non-ECC UDIMM
ECC Supported: Yes

Expansion Slots
1 x PCI Express 3.0 x16
1 x PCI Express x16

Storage Devices
SATA: 6 x SATA 6.0Gb/s
SCSI: Serial ATA/600

Onboard Video Chipset: Aspeed AST2400

Onboard LAN
LAN Chipset: Intel I350-AM2
LAN Speed
2x RJ45 Gigabit Ethernet LAN ports
2x RJ45 10GBase-T ports
1x RJ45 Dedicated IPMI LAN port
Max LAN Speed: Dual 10/100/1000Mbps

Rear Panel Ports
Video Ports: 1 x VGA
USB 1.1/2.0: 2 x USB 3.0

Features
Intel Xeon processor D-1541,Single socket FCBGA 1667;8-Core, 45W
System on Chip
Up to 128GB ECC RDIMM DDR4 2133MHz or 64GB ECC/non-ECC UDIMM in 4 sockets
Expansion slot: 1x PCIe 3.0 x16 M.2 PCIe 3.0 x4, M Key 2242/2280
Dual 10GbE LAN and Intel i350-AM2 dual port GbE LAN
6x SATA3 (6Gbps) ports via SoC
2x USB 3.0 ports (rear), 4x USB 2.0 ports (via headers)
1x SuperDOM, 1x COM, TPM 1.2 header, GPIO and SMbus headers
12V DC input and ATX Power Source

Disk Replacement Info/History

System Info