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Green mini-ITX server board, AM4 socket, four DDR4 slots, dual 10GbE RJ45 ports, deep form factor

ASRock Rack

ASRock Rack B550D4ID-2L2T Deep mini-ITX server motherboard AM4 DDR4 3200 10GbE

SKU CH-6533-EWYK4 MPN B550D4ID-2L2T

Deep mini-ITX server board for AM4 Ryzen CPUs with four DDR4 ECC slots, dual 10GbE and dual 1GbE Intel LAN, PCIe 4.0 x16, four SATA and two M.2 slots

  • ProcessorSupports: AMD Ryzen 5000 and 4000 G-Series Desktop Processor
  • Form factorDeep mini-ITX
  • CPU socketSocket AM4
  • Number of DDR4 slots4 × 288-pin
  • DDR4 memory supportDDR4 3200
  • PCIe 4.0 x16 slotsSLOT7: PCIe4.0 x16 [CPU]
  • Supports AMD Ryzen 5000 and 3000 Series desktop processors
  • Four DDR4 3200 slots with ECC support for data integrity
  • Dual 10 GbE plus dual 1 GbE Intel LAN for high-throughput networking
  • PCIe 4.0 x16 slot and two M.2 slots for fast expansion
  • Deep mini-ITX form factor at 6.7" x 8.2" fits compact chassis

Deep mini-ITX server board

The ASRock Rack B550D4ID-2L2T is a deep mini-ITX motherboard built for AMD Socket AM4 processors. It accepts Ryzen 5000, 4000 and 3000 series desktop CPUs, including G-Series and PRO variants. Four 288-pin DDR4 slots run at 3200 and support ECC memory. The layout fits compact server chassis while keeping full expansion options.

Dual 10GbE and 1GbE networking

Two Intel X710-AT2 ports deliver 10GbE throughput and two Intel I210 ports provide 1GbE links, plus a dedicated IPMI LAN port for out-of-band management. This suits storage servers, virtualisation hosts and edge appliances that need high-speed wired connectivity. Builds relying on wireless networking or single-gigabit uplinks will not use the board's primary strength.

PCIe 4.0 x16 slot and dual M.2

A full-length PCIe 4.0 x16 slot driven by the CPU handles GPUs, compute cards or additional storage controllers. Two M-key M.2 sockets are available: one wired for PCIe 4.0 x4 or SATA, the other for PCIe 3.0 x2 or SATA, both supporting 2280 modules. Systems that require multiple x16 slots or more than two M.2 devices should consider a larger form factor.

How it compares

Measured against everything we stock in Server & Workstation Boards, at today’s prices. Recalculated every night.

Price $279.99
Pricier than about 55% of the 776 comparable items (median $254.49).

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Specifications

Product
Brand nameAsRock Rack
Model nameB550D4ID-2L2T
Processor
CPU socketSocket AM4
Memory
DDR4 memory supportDDR4 3200
ECC supportYes
Storage
SATA ports4 x SATA 6.0Gb/s
SATA and RAID support0/1/10
M.2 slots1 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
Graphics
Onboard video chipAspeed AST2500
Connectivity
Ethernet controller1 Intel X710-AT2: 2 RJ45 (10GbE)
Second LAN controller2 Intel I210: 2 RJ45 (1GbE)
Maximum network speed1 Gbit/s
Ports & slots
Number of DDR4 slots4 × 288-pin
PCIe 4.0 x16 slotsSLOT7: PCIe4.0 x16 [CPU]
Rear panel portsHDMI: 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
Size & build
Form factorDeep mini-ITX
Width and length6.7 in × 8.2 in
Shipping weight0.91 kg
Package size275 × 216 × 76 mm

Questions about this item

Will the four DDR4 3200 slots accept my existing ECC UDIMMs?

Yes, the board supports 4 x 288-pin DDR4 3200 ECC and non-ECC UDIMM in a 2DPC layout.

How can I confirm the Intel X710 10GbE ports are active after installation?

Link LEDs on the two 10GbE RJ45 ports will light, and the IPMI interface will show port status once the BMC boots.

Does the box include a bracket for the 22110 M.2 slot or must I source one separately?

The 22110 form factor requires depopulating the BMC_SMB and IPMB headers, so a compatible bracket is not standard and must be obtained separately.

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