K9051-C ATX

Intel® 4th/5th Generation Xeon® Scalable Processor(SP) mit Intel® C741 chipset
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  • Up to 64 cores with maximum TDP 350W
  • DDR5 memory up to 5600 MHz RDIMM, up to 768 GByte
  • 5x PCIe Gen 5 expansion slots
  • Dual LAN Intel® X710 10 GbE including teaming
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The server-class K9051 ATX motherboard is paired with the Intel® C741 chipset and supports Intel® 4th/5th Gen Intel® Xeon® scalable processors with up to 64 cores. With memory density up to 768 GByte and 5 PCIe Gen 5 expansion slots, today’s most demanding applications including AI, imaging, sequencing and industrial processing are possible. The K9051-C741 ATX supports board management and monitoring via ASPEED A2600 using OpenBMC. The motherboard is designed for continuous 24/7 operation for 10 years in demanding environments.

  • Intel® 4th/5th Generation Xeon® scalable processor
  • Intel® C741 Chipset
  • 8x DDR5 5600 MT/s RDIMM Independent Channels
  • 3x PCIe Gen5 x16 slots and 2 x PCIe Gen5 x8 slots
  • 2x 10GBASE-T RJ45 Ethernet ports


Processor Intel® 4th/5th Gen Xeon® SP up to 64 cores Socket LGA4677
Chipset Up to 350W TDP
Memory Intel® C741
8x RDIMM Sockets DDR5-5600, max. 768 GBytes, 8x Independent Channels registered, ECC
Graphics 1 DisplayPort 1.1a/1920x1200 32bpp@60Hz ASPEED AS2600 (via OpenBMC)
Audio CODEC Tempo Semiconductor 92HD68D
Audio Interface 8-Channel (HD), line-in, line-out, mic in, 3.5mm jack, 9- pin header
Ethernet 1/2 Intel® X710 with dual 100/1000/10000 MBit/s PXE Support & Teaming
USB 4x USB 3.1 Gen 1 (rear I/O, Type-A)
2x USB 3.1 Gen 1 (by header)
Serial Ports 1x RS232 (rear I/O, DB9 connector)
SATA 6x SATA III Interface (up to 6GBit/s), NCQ, AHCI, RAID 0/1/5/10
M.2 PCIe/NVMe 2x M.2 2280/2242 (Key-M, PCIe/NVMe Gen4 x4 SSD modules)
Connector ATX (Multirail) 24- pin, 2x 8-pin, 1x 6-pin sockets
Modified and adapted by Kontron; Recovery BIOS, SM-BIOS (DMI), BIOS and CPU Microcode Update, Quick Boot, Logo Boot, Quiet Boot, Plug & Play, Automatic DRAM and PCIe Configuration, BIOS Support for S.M.A.R.T., Advanced Power Management, ACPI S3/S4, Wake on time from S5. HW No legacy OS support, no MBR support (UEFI only)
Watchdog Onboard via BMC
Real Time Clock Integrated
FP Header 1x Header for Reset button, HDD LED & External Speaker, Power button, Power LED
Fan 6x 6-pin headers (support for 3/4-pin fans), controlled via BMC
Security Secure Boot, Recovery BIOS, BIOS Password, Boot Sequence Control, Write Protection for Flash BIOS, Trusted Platform Module (TPM)
OS Support Ubuntu 22.04
Windows Server 2022
Dimensions. (LxW) ATX: 9.6“x12“ (244x305 mm)
Operating Temperature 0 °C - 55 °C (select SKUs and configurations)
EMC & Safety FCC Part 15 Class A, ICES-003 Class A, cCSAus IEC62368-1



K9051-C741 ATX Datasheet
[ k9051-c741-atx_en_data-sheet_kontron-us.pdf, 1.76 MB, Oct.02.2023 ]


General Safety Instruction
[ general-safety-instructions.pdf, 560.72 KB, Jan.04.2021 ]

Tech Spec Sheet

Motherboard and SMARTCASE™ Tech Specs
[ productoverview_motherboards.pdf, 6.05 MB, Apr.15.2024 ]


Kontron Services Brochure
[ kontron-services-brochure.pdf, 8.9 MB, Dec.17.2020 ]



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