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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

Model
Brand AsRock Rack
Model D1749NTD4U-4Q
Supported CPU
CPU Type Intel Xeon D-1749NT
Number of Processor Support 1
CPU Features Thermal Design Power Up to 90W
Memory
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
Expansion Slots
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
Storage Devices
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
Onboard LAN
Number of LAN 4 SFP28 (25GbE)
LAN Speed 25Gbps
Max LAN Speed 4 x 25Gbps
Rear Panel Ports
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 Ports
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
Dimensions
Form Factor Micro ATX
Dimensions (W x L) 9.6" x 9.6"
Additional Information
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
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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

AttributeValue
Best ForMicro-ATX server builds using an Intel Xeon D-1749NT processor, DDR4 memory, four 25GbE SFP28 ports, and dedicated IPMI connectivity
Processor And PowerSupports 1 Intel Xeon D-1749NT processor with TDP up to 90W
Memory Configuration4 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 SharingPCIe 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 Expansion2 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 Management4 SFP28 ports supporting up to 25GbE each, plus a dedicated RJ45 IPMI port
Rear I/O2 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 HeadersMicro-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 FactorMicro-ATX, 9.6 × 9.6 inches
Model IdentifiersASRock Rack D1749NTD4U-4Q