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Supermicro
Supermicro MBD-X12SAE-O server motherboard LGA 1200 DDR4 2933 128GB
ATX server board for LGA 1200 CPUs with four DDR4 2933 slots, 128 GB ECC support, dual 2.5 GbE and 1 GbE LAN, four SATA 6.0 Gb/s ports and two M.2 PCIe 3.0 x4 slots
- CPU Socket TypeLGA 1200
- CPU Type10th Generation Intel Core i9/Core i7/Core i5/Core i3/Pentiu
- North BridgeIntel W480
- Number of DDR4 Slots4 x 288-pin
- DDR4 StandardDDR4 2933
- Maximum Memory SupportedUp to 128GB of Unbuffered (UDIMM) ECC/non-ECC memory, with s
- Supports 10th Gen Intel Xeon W-1200 and Core processors via LGA 1200 socket
- Up to 128GB DDR4 2933 ECC memory across four 288-pin UDIMM slots
- Dual Intel LAN with 2.5Gbps I225-V and Gigabit I219-LM controllers
- Two M.2 PCIe 3.0 x4 slots supporting RAID 0 and 1
- Four SATA 6.0Gb/s ports with RAID 0, 1, 5, 10
LGA 1200 server board with ECC support
The Supermicro MBD-X12SAE-O is an ATX server motherboard built around the Intel W480 chipset and the LGA 1200 socket. It accepts 10th Generation Intel Core i9, i7, i5, i3, Pentium, Celeron and Xeon W-1200 processors up to 125W TDP. Four 288-pin DDR4 slots handle up to 128GB of unbuffered ECC or non-ECC memory at 2933MHz. Dual Intel LAN provides 2.5Gbps and Gigabit connections.
Suits ECC workstations, not multi-GPU rigs
This board targets builders who need ECC memory reliability on a mainstream socket for workstations, file servers or light virtualization. The two PCI Express 3.0 x16 slots operate at 16/NA or 8/8, so a second card runs at x8 rather than full x16 bandwidth. Buyers who want more storage than four SATA ports and two M.2 slots provide, or who require registered DIMM support, should look at something else.
Four DDR4 slots cap at 128GB unbuffered ECC
The memory subsystem is the deciding specification: four slots limited to unbuffered UDIMMs with a 128GB ceiling at 2933MHz. If the workload demands registered ECC modules or capacities above 128GB, this motherboard cannot meet the requirement.
Highlights
- Supports 10th Gen Intel Xeon W-1200 and Core processors via LGA 1200 socket
- Up to 128GB DDR4 2933 ECC memory across four 288-pin UDIMM slots
- Dual Intel LAN with 2.5Gbps I225-V and Gigabit I219-LM controllers
- Two M.2 PCIe 3.0 x4 slots supporting RAID 0 and 1
- Four SATA 6.0Gb/s ports with RAID 0, 1, 5, 10
Specifications
| Brand | SUPERMICRO |
|---|---|
| Model | MBD-X12SAE |
| CPU Socket Type | LGA 1200 |
| CPU Type | 10th Generation Intel Core i9/Core i7/Core i5/Core i3/Pentium/Celeron Processor, Intel Xeon W-1200 Processors |
| North Bridge | Intel W480 |
| Number of DDR4 Slots | 4 x 288-pin |
| DDR4 Standard | DDR4 2933 |
| Maximum Memory Supported | Up to 128GB of Unbuffered (UDIMM) ECC/non-ECC memory, with speeds of up to 2933MHz (2DPC) |
| ECC Supported | Yes |
| PCI Express 3.0 x16 | 2 x PCI Express 3.0 x16 (16/NA or 8/8) |
| PCI Express x4 | 1 x PCI Express 3.0 x4 |
| PCI Express x1 | 1 x PCI Express 3.0 x1 |
| SATA | 4 x SATA 6.0Gb/s |
| SATA RAID | 0/1/5/10 |
| M.2 | M.2 Interface: 2 PCI-E 3.0 x4, RAID 0 & 1 Form Factor: 2280/22110 Key: M-Key |
| Audio Chipset | Realtek ALC888S |
| LAN Chipset | Intel I225-V |
| LAN Speed | 2.5Gbps |
| Second LAN Chipset | Intel I219-LM |
| Second LAN Speed | 10/100/1000Mbps |
| Back I/O Ports | 1 x RJ45 Gigabit Ethernet LAN ports 1 x RJ45 2.5 Gigabit Ethernet LAN port 2 x USB 2.0 ports (2 via headers) 3 x USB 3.2 Gen1 ports (1 via header + 2 Type A) 5 x USB 3.2 Gen2 ports (3 Rear Type A + 1 Rear Type C, 1 via header) 1 x DP (DisplayPort) port, 1 HDMI port, 1 DVI - D port 1 x COM Port (1 header) 1 x TPM Header |
| Form Factor | ATX |
| Dimensions (W x L) | 12.0" x 9.6" |
| Shipping weight | 1.18 kg |
| Package size | 338 × 262 × 64 mm |
Questions about this item
How can I verify the MBD-X12SAE-O is posting correctly after installing a 10th Gen Intel Xeon W-1200 and DDR4 2933 ECC UDIMMs?
The board will show POST codes on its debug LED display; successful memory training and CPU detection at up to 125W TDP with 128GB maximum capacity confirms normal operation.
What accessories are included with the MBD-X12SAE-O and which storage cables must I purchase separately?
The motherboard ships with an I/O shield and SATA cables for the four 6.0Gb/s ports; M.2 2280/22110 M-Key drives and any additional PCIe 3.0 x16, x4 or x1 cards are bought separately.
Which DDR4 2933 capacity should I choose for the four 288-pin slots on the MBD-X12SAE-O?
Populate all four slots with Unbuffered ECC or non-ECC UDIMMs up to 32GB each to reach the 128GB limit; mixing capacities is supported but matched kits ensure 2DPC stability at 2933MHz.
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