Product Comparison

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K3841-Q µATX K3842-Q µATX K3843-B µATX K3851-R ATX
  K3841-Q µATX K3842-Q µATX K3843-B µATX K3851-R ATX
  Industrial Motherboard supporting Intel® Core™ Processors (12th/13th/14th Gen.) Extended Lifecycle Motherboard supporting Intel® Core™ Processors (12th/13th/14th Gen.) Extended Lifecycle Motherboard supporting Intel® Core™ Processors (12th/13th/14th Gen.) Industrial 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 seriesIntel® 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 ChipsetIntel® B660 ChipsetIntel® R680E 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-ECC4x DDR5-4800 DIMM Sockets up to 128 Gbyte, Dual Channel, non-ECC4x DDR5-4800 DIMM Sockets up to 128 GByte, Dual Channel, ECC-support
Graphics ControllerIntel® UHD Graphics 7xx (depends on installed processor)Intel® UHD Graphics 7xx (depends on installed processor)Intel® UHD Graphics 7xx (depends on installed processor)Intel® UHD Graphics 7xx (depends on installed processor)
Display4x DPP V1.4a4x DPP V1.4a up to 8K4x DPP V1.4a up to 8K4x DPP V1.4a @8k Optional VGA-Ext. D3653
Audio ControllerTempo Semiconductor 92HD91BTempo Semiconductor 92HD91BTempo Semiconductor 92HD91BTempo Semiconductor 92HD91B
Audio5.1-channel; High Definition Audio Codec5.1-channel; High Definition Audio Codec5.1-channel; High Definition Audio Codec5.1-channel; High Definition Audio Codec
Ethernet1x Intel® i219LM with 10/100/1000 MBit/s, iAMT features 2x Intel® i226LM 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® i226LM with 10/100/1000/2500 MBit/s Intel® i219LM with 10/100/1000 MBit/s1x Intel® i219LM with 10/100/1000 MBit/s, iAMT features 2x Intel® i226LM with 10/100/1000/2500 MBit/s, TSN Support
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)2x USB 3.2 Gen 2 (rear I/O, Type-A) 2x USB 3.2 Gen1 (rear I/O, Type-A) 2x USB 2.0 (rear I/O, Type-A) 2x USB 3.2 Gen1 (by header) 2x USB 2.0 (by header)2x USB 3.2 Gen 2 (rear I/O, Type-A), 1x USB 3.2 Gen 2 (rear I/O, Type-C with locking option), 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 stick socket), 1x USB 2.0 (internal Type-A stick socket)
Serial1x RS232 (rear I/O), 3x RS232 (by header)1x RS232 (rear I/O)1x RS232 (rear I/O)1x RS232 (rear I/O), 3x RS232 (by header)
Available I/Os1x 8-Bit GPIO--1x 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 0/1/5/104x 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"2x M.2 2280 (Key-M, PCIe/NVME SSD modules) PCIe x16: 1x 16 lanes, Gen5/1x 1 lane, Gen4 PCIe x1: 2x Gen3, "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 x8: 1x 4 lanes, Gen4 ("open slot") / 1x 4 lanes, Gen3 ("closed slot") PCIe x1: 2x Gen3 ("open slots") PCI: 1x 32Bit slot
Power connectorATX (Multirail) plus 8-pin socket (12 V for CPU)ATX (Multirail) plus 8-pin socket (12 V for CPU)ATX (Multirail) plus 8-pin socket (12 V for CPU)ATX (Multirail) plus 8-pin socket (12 V for CPU)
Input VoltageMultirailMultirailMultirailMultirail
BIOSAMI Aptio 5.x (UEFI) BIOSAMI Aptio 5.x (UEFI) 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)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)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 Clockintegratedintegratedintegratedintegrated
Cooling4x PWM fan (CPU/3 x System)4x PWM fan (CPU/3 x System)2x PWM fan (CPU/System)4x PWM fan (CPU/3 x System)
Operating SystemWindows 10 Windows 10 IoT Windows 11 Linux-64Windows 10 Windows 11 Linux-64Windows 10 Windows 11 Linux-64Windows 10 Windows 10 IoT 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")µATX (243.8 x 243.8 mm / 9.6" x 9.6")ATX (243.8 x 304.8 mm / 9.6" x 12")
Operating Temperature0°C-60°C10°C-50°C10°C-50°C0°C-60°C
Humidity5%-85%5%-85%5%-85%5%-85%
CertificationscTÜVus acc. IEC62368-1, CE Class B incl. Industrial Immunity, UKCA, FCC-B verifiedcTÜVus acc. IEC62368-1, CE Class B, UKCAcTÜVus acc. IEC62368-1, CE Class B, UKCAcTÜVus acc. IEC62368-1, CE Class B incl. Industrial Immunity, UKCA, FCC-B verified


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