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ASRock Rack
ASRock Rack D1749NTD4U-4Q Micro-ATX server motherboard Intel Xeon D-1749NT 4 SFP28 25GbE
Micro-ATX server board with an integrated Xeon D-1749NT, four DDR4 slots up to 2667 MHz, PCIe 4.0 and 3.0 expansion, dual M.2, and four 25 GbE SFP28 ports
- CPU TypeIntel Xeon D-1749NT
- Number of Processor Support1
- CPU FeaturesThermal Design Power Up to 90W
- Number of DDR4 Slots4 x 288-pin
- DDR4 StandardRDIMM: up to 2667 MHz ECC/non-ECC UDIMM: up to 2667 MHz
- Maximum Memory SupportedMax. DIMM Frequency - RDIMM: up to 2667 MHz - ECC/non-ECC UD
- Integrated Xeon D-1749NT up to 90W TDP
- Four 25GbE SFP28 ports for high-speed networking
- Four DDR4 slots support ECC RDIMM up to 2667MHz
- PCIe4.0 x16 slot or dual SlimSAS for flexible expansion
- Dual M.2 slots with PCIe3.0 x4 or SATA 6Gb/s
Micro-ATX Server Board with Xeon D-1749NT
The ASRock Rack D1749NTD4U-4Q is a Micro-ATX server motherboard built around a soldered Intel Xeon D-1749NT processor with a thermal design power of up to 90W. It targets builders who need integrated 25GbE networking and flexible storage in a compact 9.6 x 9.6 inch form factor for dense rack or edge deployments.
Four DDR4 Slots and Lane-Shared Expansion
The board provides four 288-pin DDR4 slots supporting RDIMM and ECC or non-ECC UDIMM at up to 2667 MHz. Expansion centres on a PCIe 4.0 x16 slot that shares lanes with two SlimSAS connectors, plus a PCIe 3.0 x8 slot that shares lanes with two Mini-SAS HD connectors; populating the x16 slot disables the SlimSAS interfaces, and the x8 slot can disable the Mini-SAS HD links by BIOS setting.
Quad SFP28 25GbE Decides Fit
Four onboard SFP28 ports deliver up to 4 x 25Gbps Ethernet, making this board the right choice only for deployments that require high-density 25GbE connectivity without add-in cards; buyers who need more than four 25GbE links or who require RJ45 10GbE instead should look elsewhere.
Ciri-ciri utama
- Integrated Xeon D-1749NT up to 90W TDP
- Four 25GbE SFP28 ports for high-speed networking
- Four DDR4 slots support ECC RDIMM up to 2667MHz
- PCIe4.0 x16 slot or dual SlimSAS for flexible expansion
- Dual M.2 slots with PCIe3.0 x4 or SATA 6Gb/s
Spesifikasi
| 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" |
| Berat penghantaran | 1.81 kg |
| Dimensi bungkusan | 229 × 229 × 51 mm |
Soalan tentang produk ini
Will the four 25GbE SFP28 ports share bandwidth with an older PCIe 3.0 x8 add-in card I keep?
SLOT6 runs at PCIe 3.0 x8 and shares lanes with the two Mini-SAS HD connectors by BIOS setting; the four SFP28 ports are separate so they keep full 25Gbps each regardless of what you install in SLOT6.
How do I confirm the Xeon D-1749NT is running at its 90W TDP after assembly?
Watch the IPMI sensor readings or BIOS hardware monitor — they report real-time CPU package power so you can verify the processor settles at or below 90W under load.
Which cables and drives must I source separately for the three Mini-SAS HD and four SATA 7-pin connectors?
The board supplies the Mini-SAS HD and SATA 7-pin headers only; you need Mini-SAS HD to SATA breakout cables or backplanes for the three SAS ports and standard SATA data cables for the four 7-pin ports.
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