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K3851-R ATX

Technical Information

Power Supply Requirements

SOURCE

VOLTAGE

MIN. PS LOAD

MAX. VOLTAGE

TOLERANCE

MOTHERBOARD

CAPACITIVE LOAD

MOTHERBOARD MAX.

CURRENT (continous)*

Main Power Supply

+ 12 V

0 A

± 5 %

2.500 µF

15 A

- 12 V

n.a.

n.a.

-

-

+ 5 V

0 A

± 5 %

1.900 µF

6.0 A

+ 3.3 V

0 A

± 5 %

1.100 µF

0.5 A

Aux

+ 5 Vaux

0 A

± 5 %

1.900 µF

2.5 A

*) Max. motherboard input current incl. processor and DRAM memory. Additional power for drives, USB devices, PCIe cards etc. is not included! Note: BIOS provides option to reduce CPU TDP/Turbo power in order

to use PSU with limited loadabilty.

Processor 125 W TDP: Max. Cont. Current < 15 A; max. Surge Current = 30 A (full Turbo Mode)

Processor 65 W TDP: Max. Cont. Current < 8 A; max. Surge Current = 26 A (full Turbo Mode)

Processor 35 W TDP: Max. Cont. Current < 5 A; max. Surge Current = 13 A (full Turbo Mode)

STORAGE & EXPANSION

SATA

M.2 PCIe/NVME

M.2 WIRELESS

PCIe/PCI SLOTS

GPIO

4x Serial ATA III 600 Interface (up to 6GBit/s), NCQ, AHCI, RAID 0/1/5/10

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

8 Bit GPIO (Input/Output); WLAN LED support, WLAN enable/disable support

3.3 V/5 V/12 V supply voltage output; SMBus controller PCA9554A

POWER

CONNECTOR INPUT VOLTAGE

ATX (Multirail) plus 8-pin socket (12 V for CPU)

FIRMWARE

BIOS

WATCHDOG

REAL TIME CLOCK

TPM

AMI Aptio 5.x (UEFI) BIOS modified and adapted by Kontron;

Recovery BIOS, SMBIOS (DMI), BIOS and CPU Microcode Update, Quick Boot,

Logo Boot, Quiet Boot, Plug & Play, Automatic DRAM and PCIe Configuration,

BIOS Support for S.M.A.R.T., Advanced Power Management, ACPI S3/S4, Wake

on time from S5.

No legacy OS support, no MBR installation (UEFI only)

BIOS POST-/BIOS BOOT-/OS-HW Watchdog

Integrated

TPM V2.0 (Intel® integrated); socket for optional TPM module

SYSTEM CONTROL

FP HEADER

SECURITY

1x Header for Reset button, HDD LED & External Speaker, Power button, Power

LED

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)

SOFTWARE

OS SUPPORT

MS Windows® 10, MS Windows® 10 IoT, MS Windows® 11, MS Windows® 11 IoT,

Linux 64

No legacy OS support, no MBR installation (UEFI only)

MECHANICAL

DIMENSIONS (L x W)

ATX: 9.6“ x 12“ (243.8 x 304.8 mm)

ENVIRONMENTAL

OPERATION TEMPERATURE

0 °C - 60 °C

CERTIFICATION

EMC & SAFETY

cTÜVus acc. IEC62368-1, CE Class B incl. Industrial Immunity, UKCA,

FCC-B verified

*) PCIe x16 (PEG) slot: Gen5 ready; Support for lane split (x16 or x8+x8)