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ASUS

ASUS P11C-X LGA1151 C242 DDR4 ATX Intel motherboard

SKU CH-X88R-ZWAKS

ATX server board with LGA 1151 socket, Intel C242 chipset, dual Gigabit LAN, six SATA ports, dual M.2 slots and four DDR4 2666 DIMM slots supporting 64 GB

  • ProcessorCore i7 / i5 / i3 (8th Gen, LGA1151)
  • ChipsetIntel C242
  • Form factorATX
  • CPU socketLGA 1151
  • Onboard video chipAspeed AST2510 with 64 MB VRAM
  • Memory slot count4 × 288pin (DDR4)
  • Intel C242 chipset with LGA1151 socket supports Xeon E and 8th/9th Gen Core processors up to 95W
  • Dual Intel Gigabit LAN using I219-LM and I210AT controllers enables teaming for load balancing and failover
  • Four 288-pin DDR4 slots accept ECC and non-ECC UDIMM up to 128GB at 2666 MT/s
  • Dual M.2 slots up to 22110 length plus six SATA 6Gb/s ports provide flexible NVMe and SATA storage with RAID 0/1/5/10
  • ATX 12 x 9.6 inch rack-optimised layout positions CPU and memory for efficient airflow in 1U/2U chassis

Server Motherboard for Xeon E and Core i3

The ASUS P11C-X is an ATX server motherboard built on the Intel C242 chipset with an LGA1151 socket. It supports Intel Xeon E-2100 and E-2200 series processors as well as 8th and 9th generation Core i3, Pentium and Celeron CPUs up to 95W TDP. The board targets small to mid-size businesses needing a cost-effective platform for web, file, mail or storage servers and entry-level workstations.

Straightforward ATX Install with Rack Focus

Installation follows standard ATX 12 by 9.6 inch mounting points so it fits regular chassis and rack enclosures. The CPU and memory are positioned for maximum cooling efficiency in rack environments which helps thermal performance. Builders must use DDR4 2666 or 2400 UDIMMs in the four 288pin slots and should verify ECC or non-ECC compatibility with their chosen processor. Dual M.2 slots accept drives up to 22110 length for both PCIe and SATA interfaces.

128GB DDR4 Capacity Decides Fit

The four memory slots support up to 128GB of DDR4 2666 dual channel memory which is the key specification for memory-intensive server workloads. This capacity ceiling determines whether the board suits virtualization hosts, database servers or high-density storage nodes. Storage expandability includes 6 SATA 6Gb/s ports with RAID 0, 1, 5, 10 and two M.2 slots with RAID 0/1 while dual Intel Gigabit LAN (I219LM and I210AT) provides teaming support.

How it compares

Measured against everything we stock in Motherboards for Intel CPUs, at today’s prices. Recalculated every night.

Price $88.99
Cheaper than about 56% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameASUS
Product lineServer Boards
Model nameP11C-X
Processor
ProcessorCore i7 / i5 / i3 (8th Gen, LGA1151)
CPU socketLGA 1151
ChipsetIntel C242
Memory
Memory slot count4 × 288pin (DDR4)
Supported memoryDDR4 2666
Max supported RAM64 GB
Memory channelsDual Channel
Storage
SATA ports6 x SATA 6Gb/s
M.2 slots2 x M.2
SATA and RAID support0/1/0+1/5/10
Graphics
Onboard video chipAspeed AST2510 with 64 MB VRAM
Connectivity
Ethernet controller1 x Intel® I210AT
Second LAN controller1 x i219-LM
Maximum network speed1 Gbit/s
Ports & slots
PCIe 3.0 x16 slots1 x PCI Express 3.0 x16
PCI slots2xPCI 32bit/33 MHz
Rear panel ports1 x PS/2 Keyboard/ Mouse Port
PS/2 ports1
Ethernet port2 x RJ45 LAN Ports
DisplayPort connectors1 x VGA Port (onboard Aspeed AST2510)
USB 3.1 ports2 x USB 3.1
USB 3.0 ports2 x USB 3.0
USB 2.0 ports2 x USB 2.0
Power
Power connectors24 Pin
Size & build
Form factorATX
Width and lengthATX (12 inx9.6 in, 305 mm × 244 mm)
Compatibility
Windows 11 supportSupported
In the box
In the boxThe Motherboard with an IO-Shield Only
More details
PCI express x8PCI-E x8 (Gen3 X4 Link)

Questions about this item

How can I confirm the ASpeed AST2510 video chipset is active after first boot?

Connect a monitor to the VGA port; the ASpeed AST2510 with 64MB VRAM will display POST output and BIOS screens without any discrete graphics card installed.

What comes in the box and what must I source separately?

The board ships with an I/O shield, SATA cables and documentation; you must supply an LGA1151 CPU up to 95W, DDR4 2666 UDIMMs (ECC or non-ECC), M.2 drives up to 22110 length and a standard ATX power supply.

Should I choose the 64GB or 128GB memory limit for my build?

The board has four 288-pin DDR4 slots supporting dual-channel operation; populate all four slots with 32GB modules to reach the 128GB ceiling, or use 16GB modules for a 64GB configuration.

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