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ASUS

ASUS P12R-I server motherboard LGA 1200 16 DDR4 10GbE

SKU CH-R5F3-EA8TF MPN P12R-I

Server motherboard with LGA 1200 socket, sixteen DDR4 slots supporting ECC memory, twelve SATA ports, dual 10GbE LAN and one PCIe 4.0 slot

  • ProcessorIntel® Xeon® Scalable Processors (up to 3rd Gen)
  • CPU socketLGA 1200
  • Network speed10GbE
  • CPU technologiesSupports Intel® Xeon® Scalable Processors (up to 3rd Gen)
  • ChipsetIntel C621A
  • Number of DDR4 slots16
  • Supports Intel Xeon E-2300 processors up to 95 W TDP
  • 16 DDR4 slots accept ECC registered memory at 2933 MHz
  • Dual 10 GbE LAN via Intel X550-T2 controller
  • 12 SATA 6 Gb/s ports plus two M.2 slots for storage density
  • ASMB10-iKVM with ASPEED AST2600 enables remote out-of-band management

Compact Server Platform

The ASUS P12R-I is a rack-optimised Mini-ITX motherboard built for the Intel Xeon E-2300 series in an LGA 1200 socket. It delivers sixteen DDR4 slots supporting ECC registered memory up to 2933 MHz and dual 10GbE ports driven by an Intel X550-T2 controller. The board fits dense remote-office or branch-office deployments where space and I/O throughput matter.

Density and I/O Upgrade

Moving from a standard micro-ATX server board adds twelve SATA 6Gb/s ports and two M.2 slots alongside a single PCIe 4.0 x16 expansion slot. The jump is worth it when a 1U chassis must host many drives and high-speed networking without a separate HBA or NIC. Eight additional PCIe x8 lanes and six x4 lanes give headroom for specialised add-in cards.

Target Builder Profile

This board suits integrators building storage-heavy 1U nodes that need ECC memory capacity and twin 10GbE links out of the box. It is not for buyers who require multiple full-length GPU slots, processors beyond the 95 W TDP envelope, or memory speeds above 2933 MHz. Builders needing more than one PCIe 4.0 x16 slot should look at larger form factors.

How it compares

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

Price $219.99
Cheaper than about 57% of the 776 comparable items (median $254.49).

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Specifications

Product
Brand nameASUS
Model nameP12R-I
Processor
ProcessorIntel® Xeon® Scalable Processors (up to 3rd Gen)
CPU socketLGA 1200
CPU technologiesSupports Intel® Xeon® Scalable Processors (up to 3rd Gen)
ChipsetIntel C621A
Memory
DDR4 memory support2933/2666/2400/2133 MHz DDR4
RAM slots16 DIMM Slots
Supported memoryDDR4 2933/2666/2400/2133 MHz ECC Reg./Non-ECC
ECC supportYes
Storage
SATA ports12 x SATA 6Gb/s
M.2 slots2 x M.2 (PCIe Gen3 x4, SATA)
Connectivity
Network speed10GbE
Ethernet controllerIntel X550-T2
Second LAN controllerIntel® X550-T2
Second LAN speed10 Gb/s
Maximum network speed10 Gbit/s
Ports & slots
Number of DDR4 slots16
PCIe 3.0 x16 slotsYes
PCIe x16 slots1
PCIe x4 slots6
Rear panel ports4 x USB 3.2 Gen 1
1 x VGA Port (VGA from BMC)
2 x GbE LAN + 1 x Mgmt LAN
Ethernet port2
Size & build
Shipping weight1.07 kg
Package size343 × 279 × 76 mm
More details
Registered statusYes
PCI express x87

Questions about this item

What chassis depth does the LGA 1200 Mini-ITX form factor require?

The compact Mini-ITX layout fits standard 1U and 2U rackmount chassis designed for server motherboards with rear I/O.

Which power connectors must be seated before the first POST on the P12R-I?

Connect both the 24-pin ATX and the 8-pin ATX 12V headers; the board will not power on if either is missing.

When should the 10GbE RJ45 ports be cleaned or the SFP+ modules reseated?

Inspect the dual Intel X550-T2 ports and any installed SFP+ modules during scheduled dust-outs or if link errors appear in the BMC log.

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