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Green Micro ATX server board with dual 10G RJ45 ports and soldered CPU

ASRock Rack

ASRock Rack C3758D4U-2TP Micro ATX server motherboard 8-core 25W dual 10G LAN

SKU CH-ETA9-VP90R MPN C3758D4U-2TP

Micro ATX server board with soldered 8-core Intel Atom C3758, dual 10GbE LAN, four DDR4 slots up to 128 GB ECC, eight SATA3 ports, and dedicated IPMI

  • CPU Socket TypeSoC
  • CPU TypeSupports Intel Atom C3758 Series Processor
  • Number of DDR4 Slots4 x 288-pin
  • DDR4 StandardNon-ECC UDIMM: 1600 / 1866 / 2133 / 2400 MHz ECC UDIMM: 1600
  • Maximum Memory SupportedSupport up to 128GB DDR4 ECC UDIMM (32GB w/ 8GB DRAM) Suppor
  • Channel SupportedDual Channel
  • Eight-core Intel Atom C3758 SoC at 25W for efficient parallel workloads
  • Dual 10 GbE Intel X557 ports plus dedicated IPMI LAN for high-throughput networking
  • Four DDR4 DIMM slots supporting up to 128 GB ECC UDIMM or RDIMM
  • Eight SATA3 6.0 Gb/s ports via C3758 and dual Marvell 9172 controllers
  • PCIe 3.0 x8 and x4 expansion slots for storage or accelerator add-in cards

Atom C3758 eight-core SoC

This Micro ATX server motherboard integrates an Intel Atom C3758 eight-core processor rated at 25 W TDP. Four 288-pin DDR4 slots accept UDIMM, ECC UDIMM and RDIMM modules running at 1600, 1866, 2133 or 2400 MHz in dual-channel mode. The board targets builders assembling compact NAS, router or firewall appliances.

Ideal for low-power multi-core workloads

The dual 10 GbE ports driven by the Intel X557 controller suit storage-heavy or high-throughput networking tasks. IPMI 2.0 with a dedicated LAN port enables remote management. Buyers needing more than two 10 GbE links or a processor socket for upgrades should consider other platforms.

Dual-channel DDR4 up to 128 GB ECC

Maximum supported capacity reaches 128 GB with ECC UDIMM using 32 GB modules, or 64 GB with non-ECC UDIMM using 16 GB modules. This memory ceiling determines whether the board fits your dataset size.

Highlights

  • Eight-core Intel Atom C3758 SoC at 25W for efficient parallel workloads
  • Dual 10 GbE Intel X557 ports plus dedicated IPMI LAN for high-throughput networking
  • Four DDR4 DIMM slots supporting up to 128 GB ECC UDIMM or RDIMM
  • Eight SATA3 6.0 Gb/s ports via C3758 and dual Marvell 9172 controllers
  • PCIe 3.0 x8 and x4 expansion slots for storage or accelerator add-in cards

Specifications

BrandAsRock Rack
ModelC3758D4U-2TP
CPU Socket TypeSoC
CPU TypeSupports Intel Atom C3758 Series Processor
Number of DDR4 Slots4 x 288-pin
DDR4 StandardNon-ECC UDIMM: 1600 / 1866 / 2133 / 2400 MHz
ECC UDIMM: 1600 / 1866 / 2133 / 2400 MHz
RDIMM: 1600 / 1866 / 2133 / 2400 MHz
Maximum Memory SupportedSupport up to 128GB DDR4 ECC UDIMM (32GB w/ 8GB DRAM)
Support up to 64GB DDR4 ECC / non-ECC UDIMM (16GB w/ 8GB DRAM)
Channel SupportedDual Channel
PCI Express x8Slot6: Gen3 x8 link(option with LSI 3008)
PCI Express x4Slot7: Gen3 x4 link
SATA4 x SATA3 6.0 Gb/s (PORT SATA_3 switch with M.2)
Additional SATA2 x Marvell 9172 for 4 port SATA3 6.0 Gb/s
Onboard Video ChipsetAspeed AST2500
Number of LAN2 x RJ45 GLAN by Intel X557
Video PortsD-Sub
RJ452 x RJ45 Gigabit Ethernet LAN ports
1 x RJ45 Dedicated IPMI LAN port
LAN Ports with LED (ACT / LINK LED and SPEED LED)
USB 1.1/2.02 x USB 2.0
FeaturesIntel Atom processor C3758
Support DDR4 2133 / 2400 Dual-channel Max. 128GB ECC DIMM, UDIMM, RDIMM
4 x SATA3 6.0 Gbps by C3758, 4 x SATA3 6.0 Gbps by 2 x Marvell 9172
1 x PCI-E x8 slot + 1 x PCI-E x4 slot
2 x USB 2.0 ports
Supports Intel X557 + CS4227 by PCH
Integrated IPMI 2.0 with KVM and Dedicated LAN (RTL8211E)
Form FactorMicro ATX
Dimensions (W x L)9.6" x 9.6"
Shipping weight1.07 kg
Package size307 × 290 × 66 mm

Questions about this item

How much power does the soldered-in Intel Atom C3758 draw when the board runs continuously?

The on-board Intel Atom C3758 is an 8-core SoC rated at 25 W, so the processor itself stays at that thermal design power under full load.

Which memory modules do I need to populate the four 288-pin slots on this board?

Install DDR4 ECC or non-ECC UDIMMs or RDIMMs at 1600, 1866, 2133 or 2400 MHz; the board supports up to 128 GB in dual-channel mode.

Can I keep my existing SATA drives and add them to the eight SATA3 ports provided here?

Yes — four ports come from the C3758 and four more from two Marvell 9172 controllers, all running at 6.0 Gb/s, so current SATA drives connect directly.

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