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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 until: January 31, 2026
- Return for replacement until: January 31, 2026
- This item is covered by Newegg.com's Extended Holiday Return Policy.
- Read full return policy for details.
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2025 and December 31, 2025 you will have until January 31, 2026 to return your product.
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 |









