Product Comparison

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K3841-Q µATX K3842-Q µATX
  K3841-Q µATX K3842-Q µATX
  Industrial Motherboard supporting Intel® Core™ Processors (12th/13th/14th Gen.) Extended Lifecycle Motherboard supporting Intel® Core™ Processors (12th/13th/14th Gen.)
ProcessorIntel® Core™ i9 / i7 / i5 / i3 Processor Series (12th/13th/14th Gen.) Intel® Pentium®/Intel® Celeron® processor seriesIntel® Core™ i9 / i7 / i5 / i3 Processor Series (12th/13th/14th Gen.) Intel® Pentium®/Intel® Celeron® processor series
ChipsetIntel® Q670E ChipsetIntel® Q670 Chipset
Main Memory4x DDR5-4800 DIMM Sockets up to 128 Gbyte, Dual Channel, non-ECC4x DDR5-4800 DIMM Sockets up to 128 Gbyte, Dual Channel, non-ECC
Graphics ControllerIntel® UHD Graphics 7xx (depends on installed processor)Intel® UHD Graphics 7xx (depends on installed processor)
Display4x DPP V1.4a4x DPP V1.4a up to 8K
Audio ControllerTempo Semiconductor 92HD91BTempo Semiconductor 92HD91B
Audio5.1-channel; High Definition Audio Codec5.1-channel; High Definition Audio Codec
Ethernet1x Intel® i219LM with 10/100/1000 MBit/s, iAMT features 2x Intel® i225LM with 10/100/1000/2500 MBit/s, TSN Support1x Intel® i219LM with 10/100/1000 MBit/s, iAMT features Optional on K3842-Q2: 1x Intel® i225LM with 10/100/1000/2500 MBit/s
USB2x USB 3.2 Gen 2 (rear I/O, Type-A) 1x USB 3.2 Gen 2 (rear I/O, Type-C) 4x USB 3.2 Gen1 (rear I/O, Type-A) 2x USB 3.2 Gen1 (by header) 2x USB 2.0 (by header) 1x USB 3.2 Gen2 (internal Type-A) 1x USB 2.0 (internal Type-A)2x USB 3.2 Gen 2 (rear I/O, Type-A) 1x USB 3.2 Gen 2 (rear I/O, Type-C) 4x USB 3.2 Gen1 (rear I/O, Type-A) 2x USB 3.2 Gen1 (by header) 2x USB 2.0 (by header) 1x USB 2.0 (internal Type-A)
Serial1x RS232 (rear I/O), 3x RS232 (by header)1x RS232 (rear I/O)
Available I/Os1x 8-Bit GPIO-
SATA4x Serial ATA III 600 Interface (up to 6GBit/s), NCQ, AHCI, RAID 0/1/5/104x Serial ATA III 600 Interface (up to 6GBit/s), NCQ, AHCI, RAID 0/1/5/10
Expansion2x M.2 2230/2242/2280 (Key-M, PCIe/NVME SSD modules), incl. NVME RAID support 1x M.2 2230 ((Key-E, WLAN/Bluetooth modules, incl. CNVi support) PCIe x16: 1x 16 lanes, Gen5/1x 4 lanes, Gen4 PCIe x1: 1x Gen3, "open slot"/1x Gen4, "closed slot"2x M.2 2230/2242/2280 (Key-M, PCIe/NVME SSD modules), incl. NVME RAID support 1x M.2 2230 ((Key-E, WLAN/Bluetooth modules, incl. CNVi support) PCIe x16: 1x 16 lanes, Gen5/1x 4 lanes, Gen4 PCIe x1: 1x Gen3, "open slot"/1x Gen3, "closed slot"
Power connectorATX (Multirail) plus 8-pin socket (12 V for CPU)ATX (Multirail) plus 8-pin socket (12 V for CPU)
Input VoltageMultirailMultirail
BIOSAMI Aptio 5.x (UEFI) BIOSAMI Aptio 5.x (UEFI) BIOS
WatchdogRecovery BIOS, System and BIOS Password, Boot Sequence Control, Serial/USB- Port Access Protection, Write Protection for Flash BIOS, EraseDisk (BIOS Feature), Trusted Platform Module (TPM)Recovery BIOS, System and BIOS Password, Boot Sequence Control, Serial/USB- Port Access Protection, Write Protection for Flash BIOS, EraseDisk (BIOS Feature), Trusted Platform Module (TPM)
Real Time Clockintegratedintegrated
Cooling4x PWM fan (CPU/3 x System)4x PWM fan (CPU/3 x System)
Operating SystemWindows 10 Windows 10 IoT Windows 11 Linux-64Windows 10 Windows 11 Linux-64
Mechanical DimensionsµATX (243.8 x 243.8 mm / 9.6" x 9.6")µATX (243.8 x 243.8 mm / 9.6" x 9.6")
Operating Temperature0°C-60°C10°C-50°C
Humidity5%-85%5%-85%
CertificationscTÜVus acc. IEC62368-1, CE Class B incl. Industrial Immunity, UKCA, FCC-B verifiedcTÜVus acc. IEC62368-1, CE Class B, UKCA


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