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  6. Item#: N82E16813140072

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AsRock Rack B550D4ID-2L2T Deep mini-ITX Server Motherboard AMD Ryzen 5000 Series AM4 (PGA 1331) B550 Dual 1GbE+10GbE

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  • Deep mini-ITX (6.7" x 8.2")
  • Support AMD Ryzen 5000 Series Desktop Processors
  • Support 4 x DIMM slots (2DPC), supports DDR4 ECC/non-ECC UDIMM
  • Support 1 x PCIe4.0 x16
  • Support 4 x SATA 6Gb/s
  • Support 1 x M.2 (PCIe4.0 x4 or SATA 6Gb/s)
  • Support 2 x RJ45 (10GbE) by Intel® X710 + 2 x RJ45 (1GbE) by Intel i210 + 1 x 1 x dedicated IPMI
  • Support ATX PSU and 12V DC-in
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Learn more about the ASRock Rack B550D4ID-2L2T

Best Seller Ranking #56 in Server Motherboards
Model
Brand AsRock Rack
Model B550D4ID-2L2T
Supported CPU
CPU Socket Type Socket AM4
CPU Type Supports:
AMD Ryzen 5000 and 4000 G-Series Desktop Processors with Radeon Graphics
AMD Ryzen 5000 and 3000 Series Desktop Processors
AMD Ryzen PRO 5000, 4000 and 3000* Series Desktop Processors
* Not compatible with AMD Ryzen PRO 3000 Series Desktop Processors with Radeon Graphics
Memory
Number of DDR4 Slots 4 x 288-pin
DDR4 Standard DDR4 3200
ECC Supported Yes
Expansion Slots
PCI Express 4.0 x16 SLOT7: PCIe4.0 x16 [CPU]
Storage Devices
SATA 4 x SATA 6.0Gb/s
SATA RAID 0/1/10
M.2 1 M-key (PCIe4.0 x4 or SATA 6Gb/s), supports 22110 (BTO)*/2280 form factor [CPU]
1 M-key (PCIe3.0 x2 or SATA 6Gb/s), supports 2280 form factor (BTO)** [FCH]
* M2_1 22110 form factor support is possible by depopulating BMC_SMB and IPMB header and other BOM change
** M2_2 support is possible by depopulating BMC_SMB and IPMB header and other BOM change
Onboard Video
Onboard Video Chipset Aspeed AST2500
Onboard LAN
LAN Chipset 1 Intel X710-AT2: 2 RJ45 (10GbE)
Second LAN Chipset 2 Intel I210: 2 RJ45 (1GbE)
Max LAN Speed 1Gbps
Rear Panel Ports
Back I/O Ports HDMI: 1
VGA Port: 1 DB15
USB 3.2 Gen1 Port: 2 Type-A (USB3.2 Gen1)
Lan Port: 2 RJ45 (10GbE), 2 RJ45 (1GbE)
Dedicate LAN: 1 dedicated IPMI
UID Button/UID LED: 1
Onboard Ports
Other Connectors COM Header: 1
Auxiliary Panel Header: 1 (9-pin): chassis intrusion, system fault LED, LAN activity LED
TPM Header: 1 (17-pin, LPC), 1 (13-pin, SPI)
Thermal Sensor Header: 1
IPMB Header: 1
PMBus CONN: 1
Fan Header: 3 (4-pin)
Other Power Connectors: 1 (4-pin) for HDD power when using 12V DC-in power source
USB 3.2 (Gen1) Header: 1 (19-pin, 2 USB3.2 Gen1)
NMI Header: 1
System Panel: 1 (9-pin): power switch, reset switch, system power LED, HDD activity LED
Speaker Header: 1
BMC_SMB Header: 1
Power Connector: 1 (4-pin, ATX PSU signal) w/ ATX 24-pin adapter cable, 2 (8-pin, ATX 12V) support 12V DC-in
Clear CMOS: 1
NC-SI: 1
Dimensions
Form Factor Deep mini-ITX
Dimensions (W x L) 6.7" x 8.2"
Additional Information
First Listed on Newegg January 19, 2022

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

    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, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.

  • Return for refund until: January 31, 2027
  • Return for replacement until: January 31, 2027
  • This item is covered by Newegg.com's Extended Holiday Return Policy.
  • Read full return policy for details.

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The ASRock Rack B550D4ID-2L2T is a Deep mini-ITX AM4 server motherboard for AMD Ryzen desktop processors, suited to compact servers and home labs that need built-in 10GbE and 1GbE networking, ECC UDIMM support, and a PCIe 4.0 x16 slot.

Recommended For

  • Home NAS or storage-server builders who want ECC UDIMM support, remote IPMI management, and built-in 10GbE for a fast connection to compatible storage clients.
  • Homelab operators running Ryzen-based services or virtual machines who value out-of-band IPMI access and multiple onboard network ports without adding a network card.
  • Small-server builders with a compatible deep mini-ITX case who want Ryzen AM4 processing, four DIMM slots, and server-oriented remote management in a compact board.
  • Network-lab users who need several onboard Ethernet connections for separating management, client, and high-speed network traffic.

Spec Summary

AttributeValue
Best ForCompact server builds using supported AMD Ryzen desktop processors, with ECC-capable memory and 10GbE plus 1GbE networking
Processor And PlatformSocket AM4 with AMD B550 chipset; supports AMD Ryzen 5000 and 4000 G-Series processors with Radeon Graphics, Ryzen 5000 and 3000 Series processors, and Ryzen PRO 5000, 4000 and 3000 Series processors, except Ryzen PRO 3000 models with Radeon Graphics
Memory ConfigurationFour 288-pin DDR4 slots, supporting DDR4-3200 ECC or non-ECC UDIMMs; listed maximum memory is 32 GB
Expansion And StorageOne CPU-connected PCIe 4.0 x16 slot; four SATA 6Gb/s ports with RAID 0/1/10. Two M.2 sockets: one supports PCIe 4.0 x4 or SATA and 2280/22110 drives, and the other supports PCIe 3.0 x2 or SATA and 2280 drives; the listed M.2 options require BOM changes, with 22110 support also requiring depopulation of specified headers
Networking And ManagementTwo Intel X710-AT2 10GbE RJ45 ports, two Intel I210 1GbE RJ45 ports, and one dedicated IPMI LAN port
Display And USBOnboard ASPEED AST2500 graphics with one HDMI and one VGA output; two rear USB 3.2 Gen 1 Type-A ports and two additional ports via the internal USB header
Audio ConnectivityOptical S/PDIF connector
Internal Headers And ControlsIncludes COM, auxiliary panel, TPM (LPC and SPI), thermal sensor, IPMB, PMBus, NMI, system panel, speaker, BMC_SMB and NC-SI headers; three 4-pin fan headers, UID button/LED and clear-CMOS connector
PowerSupports an ATX PSU via a 24-pin adapter cable or 12V DC-in via two 8-pin ATX 12V connectors; includes a 4-pin HDD power connector for DC-in use
Form Factor And DimensionsDeep mini-ITX, 6.7 × 8.2 inches
Model IdentifiersASRock Rack B550D4ID-2L2T