Mini-ITX motherboard MTX-ARS2-W880

Intel® Core™Intel®DDR5 SDRAM

Product Overview

• Mini-ITX motherboard with Intel® Arrow Lake-S

Features

• Powered by Intel® LGA1851 Socket Processors (Arrow Lake-S) with W880 chipset
• High-performance memory: Dual DDR5 CSO-DIMM, up to 128GB, ECC supported
• Dual Ethernet ports: 2 x 2.5GbE for fast and reliable networking
• Quad display support: 2 x HDMI®, 1 x DP, 1 x LVDS/eDP
• Rich storage & expansion: 4 x SATA III, 2 x M.2 M-Key, 1 x M.2 E-Key, 1 x M.2 B-Key, 1 x PCIe Gen5 x16
• Comprehensive I/O: 8 x USB 3.2 Gen2, 4 x USB 2.0, 1 x RS232/422/485, 5 x RS232
• ATX power supply support
• Enhanced security: Onboard TPM 2.0 (optional depending on SKU)

Specifications
SYSTEM
MB FORM FACTOR: Mini-ITX
CPU: Intel® LGA1851 Core™ Ultra Socket Processor (Arrow Lake-S, TDP 65W)
CHIPSET: Intel® W880
MEMORY: 2 x DDR5 6400MT/s CSO-DIMM, Dual Channel, up to 128GB, ECC supported
BIOS: AMI 256Mb Flash ROM
WAKE ON LAN: Yes
WATCHDOG TIMER: 255 Levels
SECURITY: TPM2.0 (Optional)
DIMENSION (W x D): 170.0 x 170.0 mm (6.7" x 6.7")
OS SUPPORT: Windows® 11 (64-bit), Linux

POWER
POWER REQUIREMENT: ATX Power Supply
POWER ON MODE: AT / ATX
CONNECTOR: 24+4-pin ATX PWR

DISPLAY
GPU: Intel® Graphics
LVDS: 1 x 24-bit Dual Channel LVDS (Max. 1920 x 1200 @60Hz, co-layout eDP)
DP: 1 x DP1.4a (Max. 4096 x 2160 @60Hz)
HDMI®: 2 x HDMI® 2.1 TMDS (Max. 4096 x 2160 @60Hz)
MULTIPLE DISPLAY: Support 4 displays

AUDIO
CODEC: Realtek Audio Codec
Line-in: 1 x audio jack
Line-out: 1 x audio jack
MIC-in: 1 x audio jack

LAN
ETHERNET: 1 x RJ45 for Intel® I226-V 2.5GbE; 1 x RJ45 for Intel® I226-LM 2.5GbE

USB PORTS
USB: 6 x USB 3.2 Gen2 (10Gbps) external; internal header for 2 x USB 3.2 Gen1; internal header for 4 x USB 2.0

SERIAL PORTS
COM: 1 x DB-9 for RS-232/422/485; 1 x DB-9 for RS-232; internal header for 4 x RS-232

INTERNAL I/O
GPIO: 8-bit
SMBUS: Yes
ADDITIONAL: 1 x chassis intrusion; 1 x PS/2; 1 x audio header

STORAGE
SATA: 4 x SATA III
RAID: RAID 0, 1, 5, 10

EXPANSION
PCIe: 1 x PCIe Gen5 x16
M.2: 1 x M-Key 2280 (PCIe Gen4 x4) support NVMe; 1 x M-Key 2242 (PCIe Gen4 x4 / SATA) support NVMe; 1 x E-Key 2230 (USB2.0 / PCIe Gen4 x1) support CNVi/ CNVio; 1 x B-Key 3042 (PCIe Gen4 x1 / USB3.2 Gen1 / USB2.0) support 4G/5G module
SIM: 1 x SIM card slot

ENVIRONMENT & CERTIFICATION
SHOCK: 15G, 11ms duration
VIBRATION: 1 Grms / 5~500Hz (operation)
OPERATING TEMPERATURE: -20°C ~ 60°C (-4°F ~ 140°F)
STORAGE TEMPERATURE: -20°C ~ 85°C (-4°F ~ 185°F)
OPERATING HUMIDITY: 10 ~ 90% RH, non-condensing
CERTIFICATION: CE / FCC Class A; LVD
ESG DECLARATION: EU RoHS, China RoHS, REACH, WEEE, Minerals Conflict-Free, PRO65 Declaration, CMRT Report

Packing List

• MTX-ARS2-W880 MB x1
• COM port cable, 22cm x1
• SATA cable, 50cm x1
• SATA power Y cable x1
• I/O shield x1
• Jumpers x2

Ordering Information
PART NUMBER: MTX-ARS2-W8800010 - CPU: Intel® Socket LGA1851 CPU - SECURITY: Intel® PTT (fTPM)
PART NUMBER: MTX-ARS2-W8800210 - CPU: Intel® Socket LGA1851 CPU - SECURITY: Intel® PTT (fTPM) & TPM (dTPM) default

BIOS / Drivers / Manual / OS Support

• BIOS: MTX-ARS2-W8800010 A01 Release BIOS for Production (PTT) dated 2026-05-25; recovery BIOS entries available per model/version
• Driver packages (examples, Windows 10/11 x64 and Linux): WDT_GPIO SDK, Chipset, Graphics, Audio, Intel LAN, ME, RST, SIO, NPU, PMT, GNA drivers with version entries listed on product page
• Manual: Product manual available (Version 3.0, update 2026-08-13)
• OS Support examples: UEFI Windows 10 IoT Enterprise LTSC 2021 x64, UEFI Windows 11 IoT Enterprise LTSC 2024 x64, Ubuntu LTS, Fedora Workstation

Notes

• Onboard TPM 2.0 is optional depending on model/configuration
• PCIe Gen5 x16 slot available for high-end expansion; multiple M.2 slots support NVMe and cellular modules

Characteristics / Technical specifications

• Form Factor: Mini-ITX (170 x 170 mm)
• CPU Socket: Intel® LGA1851 (Arrow Lake-S / Core™ Ultra compatible)
• Chipset: Intel® W880
• Memory: 2 x DDR5 CSO-DIMM, up to 128GB, ECC supported, up to DDR5-6400
• Storage: 4 x SATA III; M.2: M-Key 2280, M-Key 2242, E-Key 2230, B-Key 3042
• Expansion: 1 x PCIe Gen5 x16
• LAN: Dual Intel 2.5GbE (I226-V and I226-LM)
• USB: 6 x USB3.2 Gen2 external; internal headers for additional USB3.2 Gen1 and USB2.0
• Serial: Multiple COM ports including RS-232/422/485 support
• Audio: Realtek codec with Line-in/Line-out/MIC-in
• Power: ATX power supply support (24+4-pin)
• Operating Range: -20°C to 60°C; shock 15G; vibration 1 Grms
• Certifications & Compliance: CE/FCC Class A, LVD, RoHS/REACH/WEEE