For support related inquires, please contact our support team:
Contact SupportD3644-B µATX | K3843-B µATX | |
Extended Lifecycle Motherboard supporting the 8th/9th Gen Intel® Core™ i & Xeon® E-21xx/22xx Processors | Extended Lifecycle Motherboard supporting Intel® Core™ Processors (12th/13th/14th Gen.) | |
Processor | Intel® Xeon® E-21xx/E-22xx processor series Intel® 8th & 9th Gen. Core™ i9 / i7 / i5 / i3 Processor Series Intel® Pentium®/Intel® Celeron® processor series | Intel® Core™ i9 / i7 / i5 / i3 Processor Series (12th/13th/14th Gen.) Intel® Pentium®/Intel® Celeron® processor series |
Chipset | Intel® C246 Chipset | Intel® B660 Chipset |
Main Memory | 4x DDR4 2666/2400/2133 DIMM up to 64GByte; ECC support | 4x DDR5-4800 DIMM Sockets up to 128 Gbyte, Dual Channel, non-ECC |
Graphics Controller | Intel® UHD Graphics (depends on installed processor), DX12 | Intel® UHD Graphics 7xx (depends on installed processor) |
Display | 2x DP V1.2 1x DVI-D | 4x DPP V1.4a up to 8K |
Audio Controller | Realtek ALC671 | Tempo Semiconductor 92HD91B |
Audio | 5.1-channel, High Definition Audio Codec | 5.1-channel; High Definition Audio Codec |
Ethernet | Intel i219LM with 10/100/1000 MBit/s | Intel® i219LM with 10/100/1000 MBit/s |
USB | 4x USB 2.0 6x USB 3.1 Gen1 2x USB 3.1 Gen2 1x USB 3.1 Gen2 stick socket | 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) |
Serial | 1x RS232 (by header) | 1x RS232 (rear I/O) |
Available I/Os | - | - |
SATA | 6x Serial ATA III 600 Interface (up to 6GBit/s), NCQ, AHCI, RAID 0/1/5/10 | 4x Serial ATA III 600 Interface (up to 6GBit/s), NCQ, AHCI, RAID 0/1/5/10 |
Expansion | 1x M.2 Key-M PCIe (2280) 1x M.2 Key-E (2230) PCIe x16: 1x 16 lanes, Gen3/1x 4 lanes, Gen3 PCIe x1: 1x Gen3, "open"/1x 1 lane, Gen3, "closed" | 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" |
Power connector | ATX Power Supply (24+4 Pin) | ATX (Multirail) plus 8-pin socket (12 V for CPU) |
Input Voltage | 12 V and 3.3 V Supply Voltage on PCIe Slots 3.3 V Auxiliary Supply Voltage on PCIe Slots (Wake-Up Function) | Multirail |
BIOS | AMI Aptio 5.x (UEFI) BIOS | AMI Aptio 5.x (UEFI) BIOS |
Watchdog | 3 Level HW Watchdog (BIOS POST / BIOS BOOT / OS) | 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 Clock | integrated; CMOS Battery buffered | integrated |
Cooling | 3x PWM fan (1 x CPU / 2 x System) | 2x PWM fan (CPU/System) |
Operating System | Windows 10 Linux-64 | Windows 10 Windows 11 Linux-64 |
Mechanical Dimensions | µATX (243.8 x 243.8 mm / 9.6" x 9.6") | µATX (243.8 x 243.8 mm / 9.6" x 9.6") |
Operating Temperature | - | 10°C-50°C |
Humidity | 5%-85% | 5%-85% |
Certifications | cTÜVus acc. IEC62368-1, CE Class B, FCC-B verified | cTÜVus acc. IEC62368-1, CE Class B, UKCA |