ASRock Rack E3C242D4U2-2T server motherboard LGA 1151 C242 dual 10G LAN

Micro ATX server board with dual 10G LAN

The ASRock Rack E3C242D4U2-2T is a Micro ATX server motherboard built around the Intel C242 chipset and LGA 1151 socket. It supports Intel Xeon E-2100 and E-2200 series processors in a compact 9.6" x 9.6" form factor. Dual onboard 10G base-T ports driven by the Intel X550-AT2 controller provide high-throughput networking for dense deployments.

Suited for storage-focused nodes.

This board fits builders who need up to 128GB of DDR4 2666 ECC memory across four slots and six SATA3 ports with an M.2 SATA option. The single PCIe 3.0 x16 slot shares bandwidth with the x8 slot, limiting simultaneous high-bandwidth add-in cards. Buyers who require multiple full-length GPU or FPGA cards should consider a different platform.

Dual 10G base-T decides fit for network-heavy roles

Two RJ45 10G ports from the Intel X550-AT2 are the headline connectivity feature, backed by a dedicated IPMI LAN port for out-of-band management. Storage expands through six SATA3 connectors and one M.2 SATA slot that shares a port with SATA_0. Expansion consists of one PCIe 3.0 x16, one x8 and one x1 slot, with the x16 and x8 lanes shared.