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ASRock Rack D1749NTD4U-4Q Micro-ATX SoC Server Motherboard Intel® Xeon® D-1749NT processor PCIe4.0 4 SFP28 (Up to 25GbE)
- Micro-ATX (9.6" x 9.6")
- Support Intel® Xeon® D-1749NT processor
- Support 4 x DIMM slots (2DPC), supports DDR4 RDIMM, ECC/non-ECC UDIMM
- Support 1 x PCIe4.0 x16 or 2 SlimSAS (PCIe4.0 x8)
- Support 1 x PCIe3.0 x8 or 2 Mini-SAS HD (4 SATA 6Gb/s)
- Support 1 M.2 (PCIe3.0 x4 or SATA 6Gb/s)
- Supports 1 M.2 (PCIe3.0 x4 or SATA 6Gb/s) or 4 SATA 7-pin
- Support up to 17 SATA 6Gb/s
- Support 4 x SFP28 (Up to 25GbE)
- Remote Management (IPMI)
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Learn more about the ASRock Rack D1749NTD4U-4Q
| Brand | AsRock Rack |
|---|---|
| Model | D1749NTD4U-4Q |
| CPU Type | Intel Xeon D-1749NT |
|---|---|
| Number of Processor Support | 1 |
| CPU Features | Thermal Design Power Up to 90W |
| Number of DDR4 Slots | 4 x 288-pin |
|---|---|
| DDR4 Standard | RDIMM: up to 2667 MHz ECC/non-ECC UDIMM: up to 2667 MHz |
| Maximum Memory Supported | Max. DIMM Frequency - RDIMM: up to 2667 MHz - ECC/non-ECC UDIMM: up to 2667 MHz |
| ECC Supported | Yes |
| Registered | Yes |
| PCI Express 4.0 x16 | SLOT7*: PCIe4.0 x16 [CPU] *SLOT7 shares lanes with 2 SlimSAS. -Slimline1 and Slimline2 will disable when SLOT7 (PCIe4.0 x16) is populated -Slimline1 will disable when SLOT7 (PCIe4.0 x8) is populated. |
|---|---|
| PCI Express x8 | SLOT6*: PCIe3.0 x8 [CPU] *SLOT6 shares lanes with 2 Mini-SAS HD by BIOS setting |
| Other Slots | 2 SlimSAS* (PCIe4.0 x8) [CPU] *SLOT7 shares lanes with 2 SlimSAS. -Slimline1 and Slimline2 will disable when SLOT7 (PCIe4.0 x16) is populated -Slimline1 will disable when SLOT7 (PCIe4.0 x8) is populated |
| SAS | 3 Mini-SAS HD*, 4 SATA 7-pin or 1 M2_2, 1 M2_1 *2 Mini-SAS HD shares lanes with SLOT6 by BIOS setting |
|---|---|
| M.2 | M2_1 (PCIe3.0 x4 or SATA 6Gb/s); support 22110/2280 form factor [CPU] M2_2* (PCIe3.0 x4 or SATA 6Gb/s); support 22110/2280 form factor [CPU] *M2_2 shares lanes with 4 SATA 7-pin; 4 SATA 7-pin will disable when M2_2 is populated |
| Number of LAN | 4 SFP28 (25GbE) |
|---|---|
| LAN Speed | 25Gbps |
| Max LAN Speed | 4 x 25Gbps |
| Back I/O Ports | UID Button/LED: 1 UID button w/ LED VGA Port: 1 DB15 (VGA) Serial Port: 1 DB9 (COM) USB 3.2 Port: 2 Type-A (USB3.2 Gen1) RJ45: 1 dedicated IPMI Other network connector: 4 SFP28 (25GbE) |
|---|
| Onboard USB | USB 3.2 (Gen1) Header: 1 header (19-pin, 2 USB3.2 Gen1) |
|---|---|
| Other Connectors | Power Connector: 1 Micro-Fit (4-pin, ATX PSU signal) w/ ATX 24-pin adapter cable, 2 ( 8-pin, ATX 12V) support 12V DC-in Other Power Connectors: 1 (6-pin, SATA power) Auxiliary Panel Header: 1 (18-pin): chassis intrusion, LAN1/LAN2 activity LED, locate, SMBus System Panel: 1 (9-pin): power switch, reset switch, system power LED, HDD activity LED VGA header: 1 (15-pin) Fan Header: 1 (4-pin, CPU fan), 5 (6-pin, SYS fans) TPM Header: 1 (17-pin, LPC), 1 (13-pin, SPI) VROC header: 1 SGPIO Header: 1 HSBP: 1 SMBus header: 1 PMBus header: 1 IPMB Header: 1 Clear CMOS: 1 NMI Header: 1 |
| Form Factor | Micro ATX |
|---|---|
| Dimensions (W x L) | 9.6" x 9.6" |
| First Listed on Newegg | November 21, 2023 |
|---|
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 3 years
- Limited Warranty period (labor): 3 years
- Read full details
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Newegg.com's 30-Day Return Policy.
- Read full return policy for details.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 909-590-8308
- Support Website
- View other products from ASRock Rack
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The ASRock Rack D1749NTD4U-4Q is a 9.6-inch Micro-ATX server motherboard built around an Intel Xeon D-1749NT SoC, with four SFP28 ports supporting up to 25GbE each and IPMI remote management. It suits compact servers, network appliances, and infrastructure deployments that need fast networking and out-of-band administration.
Recommended For
- Compact edge-server and network-appliance builders who need multiple 25GbE SFP28 connections and out-of-band IPMI management on a Micro-ATX board.
- Storage-server builders who want a compact platform for many SATA drives; plan the drive and expansion layout around the board’s shared PCIe, SlimSAS, Mini-SAS HD, and SATA connections.
- Small-footprint server and virtualization builders who value a soldered Xeon D platform, ECC memory options, and remote administration over a consumer desktop upgrade path.
- Homelab operators building a high-speed network or storage node who can use the onboard 25GbE ports and server-management features rather than adding separate networking and management cards.
Real-World Use Scenarios
- Build a compact edge or network-services server for a branch office or remote site. Its onboard high-speed SFP28 ports and server CPU let it host network-facing services without requiring a separate network card; actual throughput depends on the software, optics, cooling, and network setup.
- Build a storage server for shared files, backups, or other drive-heavy workloads. The board’s SATA and storage-expansion options can connect multiple drives, while its fast network ports can serve clients on a high-speed LAN; check the lane-sharing rules when choosing between drive connections and expansion slots.
- Run several infrastructure services on one compact server—for example, virtual machines or containers for monitoring, DNS, and internal applications. The integrated Xeon D platform and remote IPMI management suit an always-on server that may be installed away from a user’s desk; memory capacity and workload density depend on the chosen DIMMs and software.
- Use it as a high-speed storage or data-ingest server that moves large files between attached drives and other servers. The onboard SFP28 networking can connect it to compatible high-speed infrastructure without using the main PCIe slot for a network adapter, leaving expansion choices to be planned around the board’s shared lanes.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Micro-ATX server builds using an Intel Xeon D-1749NT processor, DDR4 memory, four 25GbE SFP28 ports, and dedicated IPMI connectivity |
| Processor And Power | Supports 1 Intel Xeon D-1749NT processor with TDP up to 90W |
| Memory Configuration | 4 DDR4 288-pin slots; supports registered RDIMM and ECC or non-ECC UDIMM up to 2667 MHz, with ECC support and up to 128 GB maximum memory |
| Expansion Slots And Lane Sharing | PCIe 4.0 x16 slot or 2 PCIe 4.0 x8 SlimSAS connections; PCIe 3.0 x8 slot shares lanes with 2 Mini-SAS HD connections, selectable by BIOS. Populating the PCIe 4.0 slot disables SlimSAS connections according to the slot’s lane configuration |
| Storage And Expansion | 2 M.2 sockets support 22110 or 2280 drives over PCIe 3.0 x4 or SATA 6Gb/s. Includes 3 Mini-SAS HD connections and 4 SATA 7-pin ports; M2_2 shares lanes with the 4 SATA ports, which are disabled when M2_2 is populated |
| Networking And Management | 4 SFP28 ports supporting up to 25GbE each, plus a dedicated RJ45 IPMI port |
| Rear I/O | 2 USB 3.2 Gen 1 Type-A ports, 1 DB15 VGA port, 1 DB9 serial port, and a UID button with LED |
| Power And Internal Headers | Micro-Fit 4-pin power connector with ATX 24-pin adapter, 2 ATX 12V 8-pin connectors supporting 12V DC-in, and 1 6-pin SATA power connector. Includes CPU and system fan headers, auxiliary and system panel headers, VGA, TPM, VROC, SGPIO, HSBP, SMBus, PMBus, IPMB, NMI, and clear-CMOS connections |
| Form Factor | Micro-ATX, 9.6 × 9.6 inches |
| Model Identifiers | ASRock Rack D1749NTD4U-4Q |









