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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

  • ProcessorSupports Intel Atom C3758 Series Processor
  • Form factorMicro ATX
  • CPU socketSoC
  • Number of DDR4 slots4 × 288-pin
  • DDR4 memory supportNon-ECC UDIMM: 1600 / 1866 / 2133 / 2400 MHz ECC UDIMM: 1600
  • Max supported RAMSupport up to 128 GB DDR4 ECC UDIMM (32 GB w/ 8 GB DRAM) Sup
  • 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.

How it compares

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

Price $589.99
Pricier than about 87% of the 776 comparable items (median $254.49).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameAsRock Rack
Model nameC3758D4U-2TP
Processor
ProcessorSupports Intel Atom C3758 Series Processor
CPU socketSoC
Memory
DDR4 memory supportNon-ECC UDIMM: 1600 / 1866 / 2133 / 2400 MHz
ECC UDIMM: 1600 / 1866 / 2133 / 2400 MHz
RDIMM: 1600 / 1866 / 2133 / 2400 MHz
Max supported RAMSupport up to 128 GB DDR4 ECC UDIMM (32 GB w/ 8 GB DRAM)
Support up to 64 GB DDR4 ECC / non-ECC UDIMM (16 GB w/ 8 GB DRAM)
Memory channelsDual Channel
Storage
SATA ports4 x SATA3 6.0 Gb/s (PORT SATA_3 switch with M.2)
Graphics
Onboard video chipAspeed AST2500
Connectivity
Number of LAN2 x RJ45 GLAN by Intel X557
Ports & slots
Number of DDR4 slots4 × 288-pin
PCIe x4 slotsSlot7: Gen3 x4 link
Video connectorsD-Sub
Ethernet port2 x RJ45 Gigabit Ethernet LAN ports
1 x RJ45 Dedicated IPMI LAN port
LAN Ports with LED (ACT / LINK LED and SPEED LED)
USB 2.0 ports2 x USB 2.0
Size & build
Form factorMicro ATX
Width and length9.6 in × 9.6 in
Shipping weight1.07 kg
Package size307 × 290 × 66 mm
More details
PCI express x8Slot6: Gen3 x8 link(option with LSI 3008)
Additional SATA2 x Marvell 9172 for 4 port SATA3 6.0 Gb/s

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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