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Green uATX server motherboard with silver heatsinks and two SFP+ ports

ASRock Rack

ASRock Rack D1541D4U-2O8R server motherboard Xeon D1541 DDR4 128GB ECC 2x10G SFP+

SKU CH-FETE-PW5JQ MPN D1541D4U-2O8R

uATX server motherboard with eight-core Xeon D-1541, dual-channel DDR4 ECC up to 128 GB, six SATA3 plus eight SAS3 ports, dual 10 GbE SFP+ and IPMI 2.0 KVM

  • CPU TypeSupport Intel Xeon D1541 Processor
  • North BridgeSoc
  • DDR4 StandardDDR4 2133 / 1866
  • Maximum Memory SupportedSupports up to 128GB DDR4 ECC RDIMM Supports up to 64GB DDR4
  • Channel SupportedDual Channel
  • PCI Express x81 x slot (x8)
  • 8 cores and 16 threads handle demanding workloads with a 45 W TDP
  • Up to 128 GB DDR4 ECC RDIMM across four slots for large datasets
  • Six SATA3 ports plus eight SAS3 lanes via LSI3008 for storage arrays
  • Dual 10 GbE SFP+ ports driven by Cortina CS4227 for high-speed networking
  • IPMI 2.0 with KVM and dedicated LAN enables remote out-of-band management

Server motherboard with Xeon D-1541

The ASRock Rack D1541D4U-2O8R is a uATX server motherboard built around an Intel Xeon D1541 processor with eight cores and 16 threads. It targets small-to-medium business deployments that need integrated compute, storage and 10 GbE connectivity in a compact 9.6 by 9.6 inch form factor.

Dual-channel DDR4 2133/1866 ceiling

Memory tops out at 128 GB using ECC RDIMMs or 64 GB with ECC or non-ECC UDIMMs across four slots. The dual-channel controller only runs at 2133 or 1866 MT/s, so faster modules will downclock and total capacity cannot exceed the stated limits.

Two 10G SFP+ ports via CS4227

Dual SFP+ optical interfaces are driven by a Cortina CS4227 controller, providing 10 GbE fibre links with activity and speed LEDs. Copper 10GBASE-T is not available onboard, so sites without fibre infrastructure would need a separate adapter.

Highlights

  • 8 cores and 16 threads handle demanding workloads with a 45 W TDP
  • Up to 128 GB DDR4 ECC RDIMM across four slots for large datasets
  • Six SATA3 ports plus eight SAS3 lanes via LSI3008 for storage arrays
  • Dual 10 GbE SFP+ ports driven by Cortina CS4227 for high-speed networking
  • IPMI 2.0 with KVM and dedicated LAN enables remote out-of-band management

Specifications

BrandAsRock Rack
ModelD1541D4U-2O8R
CPU TypeSupport Intel Xeon D1541 Processor
North BridgeSoc
DDR4 StandardDDR4 2133 / 1866
Maximum Memory SupportedSupports up to 128GB DDR4 ECC RDIMM
Supports up to 64GB DDR4 ECC / non-ECC UDIMM
Channel SupportedDual Channel
PCI Express x81 x slot (x8)
Other SlotsPCIe 3.0 x 16 : 1 x slot (x8)
M.2: 2 x slots
SATAD1541: 6 x SATA3 6Gb/s
Onboard Video ChipsetAspeed AST2400
LAN Speed10/100/1000Mbps
COM1
Video Ports1 x D-Sub
RJ45RJ45: 2 x 10G SFP+ Optical Fiber (CS4227)
LAN Ports with LED (ACT / LINK LED and SPEED LED)
USB 3.02 x USB 3.0
FeaturesIntel Xeon D1541 Processor
Supports Dual channel DDR4 2133 / 1866 ECC DIMM max 64 / 64 / 128GB
Support 6 x SATA3 by D1541 + 8 x SAS3 by LSI3008
Supports 1 x PCIe 3.0 x16, 1 x PCIe 3.0 x8, 2 x M.2 slots
Integrated IPMI 2.0 with KVM and Dedicated LAN (RTL8211E)
Supports 2 x SFP+ by Cortina CS4227
Form FactoruATX
Dimensions (W x L)9.6" x 9.6"
Shipping weight1.25 kg
Package size305 × 287 × 76 mm

Questions about this item

Should I pick ECC RDIMM or ECC UDIMM for this D1541D4U-2O8R board?

The board accepts both types; RDIMM reaches 128GB across four slots while UDIMM stops at 64GB, so choose RDIMM if you need more than 64GB.

What does the eight-core Xeon D1541 actually deliver in this motherboard?

The soldered Xeon D1541 provides eight cores and 16 threads at a 45W TDP, giving server-grade multi-thread performance without a separate CPU purchase.

How fast are the two SFP+ ports driven by the CS4227 controller?

Each SFP+ port runs at 10Gbps over fibre, providing two independent 10G links for high-speed network connectivity.

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