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IMB550

Status : Available

ATX Motherboard with LGA1851 Socket 15th Gen Intel® Core™ Ultra 9/7/5 Processors, Intel® W880, USB 3.2 Gen 2, SATA 3.0, 2.5GbE LAN, DisplayPort++, and HDMI

Datasheet
Datasheet (PDF)
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IMB550
IMB550
IMB550
DDR5

DDR5

IPMI

IPMI

PCIe Expansion

PCIe Expansion

TPM

TPM

USB 3.2

USB 3.2

  • Features
  • Specifications
  • Ordering Information
  • Download
  • FAQ

Features

  • LGA1851 socket 15th Gen Intel® Core™ Ultra 9/7/5 processors (Arrow Lake-S)
  • 4 288-pin DDR5-5600 ECC/non-ECC unbuffered Long-DIMM, up to 192GB
  • Supports DisplayPort++ and HDMI
  • Supports 2 M.2 Key M 2280
  • Supports 2 PCIe x16 slots with PCIe Gen 5 for GPU cards
  • Supports IPMI 2.0
  • Optimized CPU socket layout design for airflow of the rackmount system

Specifications

CPU
  • LGA1851 socket Intel® Core™ Ultra 9/7/5 Processors, up to 125W (Arrow Lake-S)
Chipset
  • Intel® W880
System Memory
  • 4 x 288-pin DDR5-5600 ECC/non-ECC un-buffered Long-DIMM, up to 192GB (ECC memory available only for Intel® W880)
BIOS
  • AMI
COM
  • 2 x RS-232 (internal box header)
  • 2 x RS-232/422/485 (internal box header)
USB
  • 4 x USB 3.2 Gen 2x1 (10G)
  • 4 x USB 3.2 Gen 1x1 (5G) (rear I/O)
  • 2 x Dual USB 3.2 Gen 1x1 (5G) (internal, box header)
  • 1 x USB 2.0 (internal, 180D Type-A)
Ethernet
  • 1 x 10/100/1000 Mbps (Intel® I219-LM, Intel® AMT with Intel vPro®)
  • 2 x 10/100/1000/2500 Mbps Ethernet (Intel® I226-V)
  • 1 x 10/100/1000Mbps IPMI LNA (Intel® I210-AT shared with AST2600) (optional)
Display
  • 1 x HDMI 1.4b, up to 4096 x 2160 @ 24Hz
  • 1 x Displayport++ (DP 1.2), up to 4096 x 2304 @ 60Hz
Digital I/O
  • 8-channel programmable
Audio
  • MIC-in/Line-in/Line-out
Storage
  • 4 x SATA-600 with RAID 0/1/5/10
  • 2 x M.2 key M 2280 in support of PCIe x4 via CPU with RAID 0/1
Expansion
  • 2 x PCIe x16 slots (signal: PCIe Gen 5 x16 + PCIe x0 or PCIe Gen 5 x8 + PCIe Gen 4 x8)
  • 5 x PCIe x4 slot open ended 3 x PCIe x4 signal, slot 3 & 6 PCIe x2 signal (signal by PCH)
Others
  • IPMI 2.0 supported by OpenBMC
  • 1 x PS/2 keyboard (rear I/O)
  • 1 x PS/2 mouse (rear I/O)
Battery
  • Lithium 3 V/ 220 mAH
TPM
  • TPM 2.0
Watchdog Timer
  • 255 levels, 1 to 255 sec.
Hardware Monitoring
  • Yes
Operating Temperature
  • 0°C to +60°C (+32°F to +140°F)
Relative Humidity
  • 10% to 95% relative humidity, non-condensing
Dimensions
  • 305 x 244 mm
Board Thickness
  • 1.6 mm
Certifications
  • CE

Ordering Information

  • IMB550-ARL-W880 SP
    ATX motherboard with LGA1851 socket 15th Gen Intel® Core™ Ultra 9/7/5 processors, Intel® W880, USB 3.2 Gen 2, SATA 3.0, 2.5GbE LAN, DisplayPort++ & HDMI, and single pack
  • IMB550-ARL-W880 BP
    ATX motherboard with LGA1851 socket 15th Gen Intel® Core™ Ultra 9/7/5 processors, Intel® W880, USB 3.2 Gen 2, SATA 3.0, 2.5GbE LAN, DisplayPort++ & HDMI, and bulk pack
  • 5948C122800E
    2 x USB 3.2 Gen1 cable with bracket, L=400 mm
  • 594G5208000E
    SATA 3.0 signal cable, L=500 mm with locking latch
  • 594G5208010E
    SATA 3.0 signal cable, L=500 mm without locking latch
  • 59380402010E
    1 x COM port cable with bracket, P=2.54 mm, L=300 mm
  • 59380703000E
    2 x COM port cable with bracket, P=2.54 mm, L=300 mm
  • 713000000500
    1U CPU cooler with smart fan
  • 711000002500
    CPU cooler for 2U, 4U, and wall mount chassis with smart fan

Download

Drivers

Date Description Version Download File
2026/04/01 05.LAN driver VA1.0
2026/01/16 Intel_RST_driver VA1.0
2026/01/16 11.DTT VA1.0
2026/01/16 09.PPM VA1.0
2026/01/16 10.NPU VA1.0
2026/01/16 08.HIDEvenet VA1.0
2026/01/16 07.intcpmt VA1.0
2026/01/16 06.GNA VA1.0
2026/01/16 03.Intel_CSME VA1.0
2026/01/16 02.Graphics VA1.0
2026/01/16 04.SeriesIO VA1.0
2026/01/14 01.Chipset VA1.0

Software

Manual

Date Description Version Download File
2025/12/31 User's Manual VA1 VA1.0

Design Guide

Technical Announcement

Certificates

Frequently Asked Questions

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