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Green Mini-ITX server board with four DDR4 slots, four RJ45 ports, D-Sub video and dual power inputs

ASRock Rack

ASRock Rack D1622D4I Mini-ITX server motherboard Intel Xeon D 1600 DDR4 2133 128GB 10GbE 1GbE

SKU CH-23V7-S0AMJ MPN D1622D4I

Mini-ITX server board for Intel Xeon D 1600 CPUs with four DDR4 2133 slots, 128 GB ECC capacity, dual 10 GbE and dual 1 GbE ports, plus IPMI remote management

  • ProcessorSupports Intel Xeon D 1600 Processor
  • Form factorMini ITX
  • Network speed10 Gbit/s
  • Number of DDR4 slots4 × 288-pin
  • DDR4 memory supportDDR4 2133
  • Max supported RAM128 GB
  • Supports up to 128GB DDR4 ECC memory for reliable server workloads
  • Dual 10GbE Intel X557 ports deliver high-throughput network connectivity
  • Additional dual 1GbE Intel I210 links provide flexible management traffic separation
  • Mini-ITX form factor with PCIe 3.0 x16 and M.2 enables dense expansion
  • IPMI remote management via Aspeed AST2500 simplifies headless administration

Compact server board with integrated Xeon D 1600

This Mini-ITX motherboard integrates an Intel Xeon D 1600 processor and provides four DDR4 2133 slots for up to 128 GB of ECC registered memory. Dual 10 GbE and dual 1 GbE ports handle demanding network workloads. IPMI remote management and both 12 V DC and ATX power inputs suit space-constrained deployments.

Suited for dense network appliances

Builders who need high core counts or discrete GPU support should look elsewhere because the single PCIe 3.0 x16 slot and M.2 connector limit expansion. The board also lacks consumer audio or Wi‑Fi features, making it a poor fit for workstation or desktop use.

Four DDR4 slots with 128 GB ECC registered capacity

Memory capacity is the decisive specification: the four 288‑pin slots accept DDR4 2133 RDIMM or UDIMM modules up to 128 GB total with ECC and registered support. If your application requires more memory channels or a different DDR generation, this board will not meet the requirement.

How it compares

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

Price $298.99
Pricier than about 59% of the 776 comparable items (median $254.49).

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Specifications

Product
Brand nameAsRock Rack
Model nameD1622D4I
Processor
ProcessorSupports Intel Xeon D 1600 Processor
Memory
DDR4 memory supportDDR4 2133
Max supported RAM128 GB
ECC supportYes
Storage
M.2 slots1 x M.2
Graphics
Onboard video chipAspeed AST2500
Connectivity
Network speed10 Gbit/s
Ethernet controllerIntel X557-AT2
Second LAN controllerIntel I210
Second LAN speed10/100/1000 Mbit/s
Maximum network speed2 × 10 Gbit/s + 2 × 1 Gbit/s
Ports & slots
Number of DDR4 slots4 × 288-pin
PCIe 4.0 x16 slotsSLOT7: PCIe3.0 x16
Rear panel ports1 x D-Sub / 2 x USB 3.2 Gen 1 Type-A / 4 x LAN (RJ45)
Onboard USB headersUSB 3.2 (Gen1) Header: 1 (19-pin, 2 USB 3.2 Gen1)
Size & build
Form factorMini ITX
Width and length6.7 in × 6.7 in
Shipping weight0.89 kg
Package size279 × 241 × 64 mm
More details
Registered statusYes
BIOS16 MB AMI UEFI Legal BIOS
Plug and Play (PnP)
ACPI 2.0 Compliance Wake Up Events
SMBIOS 2.8.0 Support
ASRock Rack Instant Flash

Questions about this item

How do I avoid damaging the board when connecting the 4-pin ATXPWR1 and 8-pin HDDPWR1 power cables?

The manual cautions that misconnecting the 4-pin ATXPWR1 and 8-pin HDDPWR1 connectors may permanently damage the motherboard; verify each header's label and keying before applying power.

Which memory modules should I buy for the four 288-pin slots to reach the 128 GB maximum?

Install four DDR4 2133 registered ECC RDIMMs; the board supports up to 128 GB total across its four slots and also accepts ECC or non-ECC UDIMMs.

What limits sustained 10 GbE throughput on the dual Intel X557 ports?

The two 10 GbE links run over PCIe 3.0 lanes from the Xeon D SoC, so total throughput is bounded by the PCIe 3.0 x4 bandwidth available to the X557 controller.

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