COM Express Type 7 Basic module with Intel® Atom™ C3958 processor with 16 Cores, 2.0 GHz 16MB Cache with Intel® Cache Allocation Technology and 2400 MT/s dual channel DDR4 memory interface for up to 96GB SODIMM memory. Features four 10GbE KR interface ports. 31W TDP, commercial temperature range for Network & Enterprise Storage applications.
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conga-B7AC (EOL)
COM Express Type 7 Basic module based on the latest Intel® Atom C3000 processor family
Learn all about COMs - download the guide
- Type 7 entry level module
- Industrial Temperature Range
- Up to Intel® Atom™ C3958 with 16 Cores and 16MB Cache
- Up to 96GB DDR4 memory
- 4 x 10 GbE
Specification
- Formfactor
-
COM Express Basic
- CPU
-
Intel® Atom™ C3958 – 16 x 2.0 GHz, 16MB cache, 31WIntel® Atom™ C3858 – 12 x 2.0 GHz, 12MB cache, 25WIntel® Atom™ C3758 – 8 x 2.2 GHz, 16MB cache, 25WIntel® Atom™ C3558 – 4 x 2.2 GHz, 8MB cache, 16WIntel® Atom™ C3538 – 4 x 2.1 GHz, 8MB cache, 15WIntel® Atom™ C3808 – 12 x 2.0 GHz, 12MB cache, 24WIntel® Atom™ C3708 – 8 x 1.7 GHz, 16MB cache, 17WIntel® Atom™ C3508 – 4 x 1.6 GHz, 8MB cache, 11.5WIntel® Atom® C3308 – 2 x 1.6 GHz, 4MB, 9.5W
- DRAM
-
up to 3 SO-DIMM sockets for DDR4 memory modules up to 32 GByte each (96 GByte total) with 2400 MT/s | ECC and non-ECC supported
- Ethernet
-
4x 10GbE with KR interface support
- I/O Interfaces
-
12 x PCI Express GEN 3.0 lanes8 x PCIe Gen22 x USB 3.04 x USB 2.02 x SATA III (6Gb/s)LPC busSPI2 x UARTSM-Bus
- congatec Board Controller
-
Multi Stage Watchdog | non-volatile User Data Storage | Manufacturing and Board Information | Board Statistics | LVDS backlight control I²C bus (fast mode, 400 kHz, multi-master) | Power Loss Control
- embedded BIOS Features
-
OEM LogoFlash UpdateAMI Aptio UEFI
- Security
-
Trusted Platform Module (TPM) | Hash and RSA algorithms | key lengths up to 2048 bits | real random number generator
- Operating Systems
-
Microsoft® Windows Server 2016Microsoft® Windows Server 2012 R2Microsoft® Windows Server 2012Microsoft® Windows Server 2008 R2 SP1Microsoft® Windows® 10Microsoft® Windows® 8.1Microsoft® Windows® 7RHEL 6.6 & 7.1SuSE 11 SP4 & 12 SP1Fedora 22Ubuntu 14.10CentOS 6.6 & 7.1FreeBSD 10.3 & 11Yocto v.2.0 Kernel 4.1Wind River VxWorks 7VMwareESXi
- Temperature
-
Commercial: Operating: 0 to +60°C Storage: -20 to +70°C
Industrial: Operating: -40 to +85°C Storage: -40 to +85°C - Humidity
-
Operating: 10 to 90% r. H. non cond. / Storage 5 to 95% r. H. non cond.
- Size
-
95 x 125 mm (3.74" x 4.92")
Documents
All documents found on this page are updated without notification. Always check this page for the latest version.
- Data Sheet
- Data Sheet for conga-B7AC 20.10.2026
- Manual
- User's Guide for conga-B7AC 19.02.2025
- Post Code List 15.06.2015
- Whitepaper
- The Computer-on-Modules Compendium Download for free and gain the ultimate reference guide to COM technology. From fundamentals to advanced use cases – this compendium helps you design faster, smarter, and more efficiently.
Software
- EFI
-
cgutlcmd_efi_1.7.3.0.zip
08.12.2025 / 516.52 KB
congatec System Utility Rev. 1.7.3.0. for EFI shell. Use for BIOS update or customization and panel configuration.
- Linux
-
CGOSAPIm14.pdf
04.04.2017 / 1.07 MB
CGOS API programmers manual
-
cgoslx-x32-1.03.022.tar.gz
12.09.2016 / 50.38 KB
CGOS legacy driver 1.03.022 for 32bit Linux (Kernel version 2.6.x, 3.x and 4.x)
-
cgoslx-x64-1.03.032.tar.xz
09.05.2022 / 52.03 KB
CGOS legacy driver 1.03.032 for 64bit Linux (Kernel version 3.x, 4.x, 5.x and 6.x). For kernel versions >= 5.8 please refer to readme.txt and/or consider using the cgoslx-x64-1.03.032_vmalloc.tar.xz package.
-
cgoslx-x64-1.03.032_vmalloc.tar.xz
09.05.2022 / 52.74 KB
CGOS legacy driver 1.03.032 for 64bit Linux (Kernel versions 5.8 or higher). Modified driver package with Kernel patch as a workaround for memory allocation issues with Kernels >= 5.8
-
CgosPy_1_3.zip
23.07.2024 / 655.40 KB
CgosPy is a Python package containing the cgos module which provides ctypes wrapper functions for accessing the CGOS API.
-
CGOS_DIRECT_Lx_R3.2.0.zip
29.07.2026 / 206.49 KB
CGOS direct driver for Linux.
-
cgutillx.tar
04.07.2023 / 3.93 MB
congatec System Utility Rev. 1.6.2
Use for BIOS update or customization and panel configuration. Linux source version.
Important note: Only compatible with cgos 1.03.032 and older! -
CGUTILm16.pdf
02.07.2020 / 2.67 MB
congatec System Utility Users Guide
-
cgutlcmd_linux_1.7.3.0.zip
08.12.2025 / 322.62 KB
congatec System Utility Rev. 1.7.3.0. for Linux. Use for BIOS update or customization and panel configuration. Important note: Only compatible with cgos direct version minimum 3.1.0!
-
cgutlgui-qt-1.6.3.zip
28.05.2025 / 54.18 MB
Qt based GUI version of the congatec System Utility for Windows and Linux; Rev. 1.6.3. Supports BIOS and Firmware update as well as BIOS customization and panel configuration. Provides easy access to all CGOS functions and includes a CGOS based hardware monitor with logging functionality.
Important note: Only compatible with cgos 1.03.032 and older! -
cgutlgui_qt_1.7.3.1.zip
20.05.2026 / 57.44 MB
Qt based GUI version of the congatec System Utility for Windows and Linux; Rev. 1.7.3.1. supports BIOS Capsule and Firmware update as well as BIOS customization and panel configuration. Provides easy access to all CGOS functions and includes a CGOS based hardware monitor with logging functionality. Important note: Only compatible with cgos direct 3.1.0 and newer!
- Windows 10
-
22_10.zip
22.05.2018 / 467.13 MB
Intel Network Connections Software and Driver for Windows 64Bit. Rev. 22.10
-
CgMlfTools_2019_10_24.zip
25.03.2024 / 16.68 MB
The congatec Menu Layout File Viewer (CgMlfViewer) and the congatec Menu Layout File Editor (CgMlfEditor) are Qt based applications meant to read Menu Layout Files (*.mlf) created by a congatec BIOS, to display all setup nodes and options and for the CgMlfEditor also to edit them.
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CgMlfViewer_v100_bin.zip
25.10.2019 / 7.99 MB
The congatec Menu Layout File Viewer (CgMlfViewer) is a Qt based application meant to read Menu Layout Files (*.mlf) created by a congatec BIOS and to display all setup nodes and options.
-
Cgos-x64-Windows10.zip
05.09.2021 / 225.62 KB
CGOS legacy driver 1.03.021 for 64bit Windows 10 only.
-
CGOSAPIm14.pdf
04.04.2017 / 1.07 MB
CGOS API programmers manual
-
CgosClr.zip
22.02.2016 / 40.98 KB
CGOS API Library for the .NET Framework The CgosClr.dll is an assembly that allows easy access to the CGOS API from CLR (Common Language Runtime) .NET Framework languages like C#, Visual Basic, J#, and managed C++.
-
CgosPy_1_3.zip
23.07.2024 / 655.40 KB
CgosPy is a Python package containing the cgos module which provides ctypes wrapper functions for accessing the CGOS API.
-
CGOS_direct_Win10_Win11_3.2.0.zip
29.07.2026 / 16.54 MB
CGOS direct driver for Windows 10 and Windows 11.
-
CGUTILm16.pdf
02.07.2020 / 2.67 MB
congatec System Utility Users Guide
-
cgutlcmd_win_1.7.3.0.zip
08.12.2025 / 16.33 MB
congatec System Utility Rev. 1.7.3.0. for Windows. Use for BIOS update or customization and panel configuration. Important note: Only compatible with cgos direct version minimum 3.1.0!
-
cgutlgui-qt-1.6.3.zip
28.05.2025 / 54.18 MB
Qt based GUI version of the congatec System Utility for Windows and Linux; Rev. 1.6.3. Supports BIOS and Firmware update as well as BIOS customization and panel configuration. Provides easy access to all CGOS functions and includes a CGOS based hardware monitor with logging functionality.
Important note: Only compatible with cgos 1.03.032 and older! -
cgutlgui_qt_1.7.3.1.zip
20.05.2026 / 57.44 MB
Qt based GUI version of the congatec System Utility for Windows and Linux; Rev. 1.7.3.1. supports BIOS Capsule and Firmware update as well as BIOS customization and panel configuration. Provides easy access to all CGOS functions and includes a CGOS based hardware monitor with logging functionality. Important note: Only compatible with cgos direct 3.1.0 and newer!
-
chipset-10.1.17479.8054-public-mup.zip
22.05.2018 / 4.80 MB
Intel Chipset Software Installation Utility for installing the Windows* INF files. Rev. 10.1.17479.8054
-
Ethernet_Driver_Information.txt
03.08.2017 / 434.00 B
Intel Chipset Ethernet Driver Information
-
Win2016_v103.zip
03.08.2017 / 5.68 MB
ASPEED Graphics Windows WDDM Driver v.103
- Windows 7
-
Cgos-x32-x64.zip
17.08.2018 / 384.88 KB
CGOS legacy driver 1.03.021 for 32bit and 64bit Windows.
-
CGOSAPIm14.pdf
04.04.2017 / 1.07 MB
CGOS API programmers manual
-
CgosClr.zip
22.02.2016 / 40.98 KB
CGOS API Library for the .NET Framework The CgosClr.dll is an assembly that allows easy access to the CGOS API from CLR (Common Language Runtime) .NET Framework languages like C#, Visual Basic, J#, and managed C++.
-
CgosPy_1_3.zip
23.07.2024 / 655.40 KB
CgosPy is a Python package containing the cgos module which provides ctypes wrapper functions for accessing the CGOS API.
-
EapiCgos-x32-x64.zip
07.08.2013 / 71.75 KB
EAPI (Embedded Application Programming Interface) wrapper DLLs for 32bit and 64bit Windows.
-
Ethernet_Driver_Information.txt
03.08.2017 / 434.00 B
Intel Chipset Ethernet Driver Information
-
Win2016_v103.zip
03.08.2017 / 5.68 MB
ASPEED Graphics Windows WDDM Driver v.103
- Windows 8
-
22_10.zip
22.05.2018 / 467.13 MB
Intel Network Connections Software and Driver for Windows 64Bit. Rev. 22.10
-
CGOSAPIm14.pdf
04.04.2017 / 1.07 MB
CGOS API programmers manual
-
CgosClr.zip
22.02.2016 / 40.98 KB
CGOS API Library for the .NET Framework The CgosClr.dll is an assembly that allows easy access to the CGOS API from CLR (Common Language Runtime) .NET Framework languages like C#, Visual Basic, J#, and managed C++.
-
CgosPy_1_3.zip
23.07.2024 / 655.40 KB
CgosPy is a Python package containing the cgos module which provides ctypes wrapper functions for accessing the CGOS API.
-
chipset-10.1.17479.8054-public-mup.zip
22.05.2018 / 4.80 MB
Intel Chipset Software Installation Utility for installing the Windows* INF files. Rev. 10.1.17479.8054
-
EapiCgos-x32-x64.zip
07.08.2013 / 71.75 KB
EAPI (Embedded Application Programming Interface) wrapper DLLs for 32bit and 64bit Windows.
-
Ethernet_Driver_Information.txt
03.08.2017 / 434.00 B
Intel Chipset Ethernet Driver Information
-
Win2016_v103.zip
03.08.2017 / 5.68 MB
ASPEED Graphics Windows WDDM Driver v.103
- Windows Server 2012
-
22_10.zip
22.05.2018 / 467.13 MB
Intel Network Connections Software and Driver for Windows 64Bit. Rev. 22.10
-
chipset-10.1.17479.8054-public-mup.zip
22.05.2018 / 4.80 MB
Intel Chipset Software Installation Utility for installing the Windows* INF files. Rev. 10.1.17479.8054
-
Ethernet_Driver_Information.txt
03.08.2017 / 434.00 B
Intel Chipset Ethernet Driver Information
-
Win2016_v103.zip
03.08.2017 / 5.68 MB
ASPEED Graphics Windows WDDM Driver v.103
- Windows Server 2016
-
22_10.zip
22.05.2018 / 467.13 MB
Intel Network Connections Software and Driver for Windows 64Bit. Rev. 22.10
-
cgutlcmd_win_1.7.3.0.zip
08.12.2025 / 16.33 MB
congatec System Utility Rev. 1.7.3.0. for Windows. Use for BIOS update or customization and panel configuration. Important note: Only compatible with cgos direct version minimum 3.1.0!
-
chipset-10.1.17479.8054-public-mup.zip
22.05.2018 / 4.80 MB
Intel Chipset Software Installation Utility for installing the Windows* INF files. Rev. 10.1.17479.8054
-
Ethernet_Driver_Information.txt
03.08.2017 / 434.00 B
Intel Chipset Ethernet Driver Information
-
Win2016_v103.zip
03.08.2017 / 5.68 MB
ASPEED Graphics Windows WDDM Driver v.103
- Windows Server 2019
-
22_10.zip
22.05.2018 / 467.13 MB
Intel Network Connections Software and Driver for Windows 64Bit. Rev. 22.10
-
cgutlcmd_win_1.7.3.0.zip
08.12.2025 / 16.33 MB
congatec System Utility Rev. 1.7.3.0. for Windows. Use for BIOS update or customization and panel configuration. Important note: Only compatible with cgos direct version minimum 3.1.0!
-
chipset-10.1.17479.8054-public-mup.zip
22.05.2018 / 4.80 MB
Intel Chipset Software Installation Utility for installing the Windows* INF files. Rev. 10.1.17479.8054
-
Ethernet_Driver_Information.txt
03.08.2017 / 434.00 B
Intel Chipset Ethernet Driver Information
-
Win2016_v103.zip
03.08.2017 / 5.68 MB
ASPEED Graphics Windows WDDM Driver v.103
- yocto
-
core-image-sato-congatec-b7ac-64.hddimg.sha256
04.09.2018 / 106.00 B
core-image-sato-congatec-b7ac-64.hddimg.sha256
-
core-image-sato-congatec-b7ac-64.hddimg.tar.bz2
04.09.2018 / 286.09 MB
Yocto 2.5.1 (sumo) sample image for conga-B7AC
(core-image-sato) yocto-2-5-1_release.180814 -
image_deployment.7z
09.06.2017 / 4.80 KB
Instructions and tool for x86 Yocto demo image deployment.
-
README_Yocto-2-5-1-bsp.txt
25.03.2019 / 15.49 KB
Documentation for the congatec Yocto 2.5.1 (sumo) BSP for x86 platforms.
-
README_Yocto-2-6-1-bsp.txt
25.03.2019 / 15.84 KB
Documentation for the congatec Yocto 2.6.1 (thud) BSP for x86 platforms. For sample images please contact congatec support.
-
README_Yocto-2-7-1-bsp.txt
05.07.2019 / 18.45 KB
Documentation for the congatec Yocto 2.7.1 (warrior) BSP for x86 platforms. For sample images please contact congatec support.
-
README_Yocto-3-0-1-bsp.txt
03.03.2020 / 17.92 KB
Documentation for the congatec Yocto 3.0.1 (zeus) BSP for x86 platforms. For sample images please contact congatec support.
-
README_Yocto-3-1-1-bsp.txt
04.01.2021 / 16.98 KB
Documentation for the congatec Yocto 3.1.1 BSP for x86 platforms. For sample images please contact congatec support.
-
README_Yocto-3-2-1-bsp.txt
24.06.2021 / 17.99 KB
Documentation for the congatec Yocto 3.2.1 BSP for x86 platforms. For sample images please contact congatec support.
-
README_Yocto-3-3-1-bsp.txt
20.10.2021 / 18.10 KB
Documentation for the congatec Yocto 3.3.1 BSP for x86 platforms. For sample images please contact congatec support.
-
README_Yocto-3-4-1-bsp.txt
01.06.2022 / 19.52 KB
Documentation for the congatec Yocto 3.4.1 BSP for x86 platforms. For sample images please contact congatec support.
-
README_Yocto-4-0-4-bsp.txt
21.03.2023 / 18.16 KB
Documentation for the congatec Yocto 4.0.4 BSP for x86 platforms. For sample images please contact congatec support.
-
README_Yocto-4-1-1-bsp.txt
21.03.2023 / 18.32 KB
Documentation for the congatec Yocto 4.1.1 BSP for x86 platforms. For sample images please contact congatec support.
Product Variants
COM Express Type 7 Basic module with Intel® Atom™ C3858 processor with 12 Cores, 2.0 GHz 12MB Cache with Intel® Cache Allocation Technology and 2400 MT/s dual channel DDR4 memory interface for up to 96GB SODIMM memory. Features four 10GbE KR interface ports. 25W TDP, commercial temperature range for Network & Enterprise Storage applications.
COM Express Type 7 Basic module with Intel® Atom™ C3758 processor with 8 Cores, 2.2 GHz, 16MB Cache with Intel® Cache Allocation Technology and 2400 MT/s dual channel DDR4 memory interface for up to 96GB SODIMM memory. Features four 10GbE KR interface ports. 25W TDP, commercial temperature range for Network & Enterprise Storage applications.
COM Express Type 7 Basic module with Intel® Atom™ C3558 processor with 4 Cores, 2.2 GHz, 8MB Cache with Intel® Cache Allocation Technology and 2133 MT/s dual channel DDR4 memory interface for up to 96GB SODIMM memory. Features two 2.5GbE and two 10GbE KR interface ports. 16W TDP, commercial temperature range for Network & Enterprise Storage applications.
COM Express Type 7 Basic module with Intel® Atom™ C3538 processor with 4 Cores, 2.1 GHz, 8MB Cache with Intel® Cache Allocation Technology and 2133 MT/s dual channel DDR4 memory interface for up to 96GB SODIMM memory. Features two 2.5GbE and two 10GbE KR interface ports. 15W TDP, commercial temperature range for Network & Enterprise Storage applications.
COM Express Type 7 Basic module with Intel® Atom™ C3308 processor with 2 Cores, 1.6 GHz core frequency, 4MB Cache and 2133 MT/s dual channel DDR4 memory interface for up to 64 GByte. Features four 2.5GbE KX interface ports. 9.5W TDP, commercial temperature range.
COM Express Type 7 Basic module with Intel® Atom™ C3808 processor with 12 Cores, 2.0 GHz, 12MB Cache with Intel® Cache Allocation Technology and 2133 MT/s dual channel DDR4 memory interface for up to 96GB SODIMM memory. Features four 10GbE KR interface ports. 24W TDP, industrial temperature range for embedded applications.
COM Express Type 7 Basic module with Intel® Atom™ C3708 processor with 8 Cores, 1.7 GHz, 16MB Cache with Intel® Cache Allocation Technology and 2133 MT/s dual channel DDR4 memory interface for up to 96GB SODIMM memory. Features four 10GbE KR interface ports. 17W TDP, industrial temperature range for embedded applications.
COM Express Type 7 Basic module with Intel® Atom™ C3508 processor with 4 Cores, 1.5 GHz, 8MB Cache with Intel® Cache Allocation Technology and 1866 MT/s dual channel DDR4 memory interface for up to 96GB SODIMM memory. Features four 2.5GbE KR interface ports. 11W TDP, industrial temperature range for embedded applications.
Ecosystem Details
Cooling Solutions
Standard heatspreader for COM Express Basic Type 7 module conga-B7AC with integrated copper plate.
* Cu = Copper plate
* B = Bore hole standoffs
Standard heatspreader for COM Express Basic Type 7 module conga-B7AC with integrated copper plate.
* Cu = Copper plate
* T = M2.5 threaded standoffs
Standard active cooling solution for COM Express Basic Type 7 module conga-B7AC with integrated copper plate, 15mm fins, 20mm overall heat sink height and integrated 12V fan
* Cu = Copper plate
* B = 2.7mm Bore hole standoffs
Standard active cooling solution for COM Express Basic Type 7 module conga-B7AC with integrated copper plate, 15mm fins, 20mm overall heat sink height and integrated 12V fan
* Cu = Copper plate
* T = M2.5 threaded standoffs
Standard passive cooling solution for COM Express Basic Type 7 module conga-B7AC with integrated copper plate, 15mm fins and 20mm overall heat sink height
* Cu = copper plate
* B = Bore hole standoffs
Standard passive cooling solution for COM Express Basic Type 7 module conga-B7AC with integrated copper plate, 15mm fins and 20mm overall heat sink height
* Cu = copper plate
* T = M2.5 Threaded standoffs
Memory
DDR4 SODIMM memory module with 2400 MT/s and 4GB RAM
DDR4 SODIMM memory module with 2400 MT/s and 8GB RAM
DDR4 SODIMM memory module with 2400 MT/s and 16GB RAM
DDR4 SODIMM memory module with 2666 MT/s and 32GB RAM
4 GByte ECC DDR4 SODIMM memory module | 2400 MT/s (PC4-2400) | 260 pin | supply voltage 1,2V
8 GByte ECC DDR4 SODIMM memory module | 2400 MT/s (PC4-2400) | 260 pin | supply voltage 1,2V
16 GByte ECC DDR4 SODIMM memory module | 2400 MT/s (PC4-2400) | 260 pin | supply voltage 1,2V
DDR4 ECC SODIMM memory module with 2666 MT/s and 32GB RAM
Industrial DDR4 SODIMM memory module with 2400 MT/s and 4GB RAM
Industrial DDR4 SODIMM memory module with 2400 MT/s and 8GB RAM
Industrial DDR4 SODIMM memory module with 2400 MT/s and 16GB RAM
Industrial DDR4 SODIMM memory module with 2666 MT/s and 32GB RAM
Industrial DDR4 ECC SODIMM memory module with 2400 MT/s and 4GB RAM
Industrial DDR4 ECC SODIMM memory module with 2400 MT/s and 8GB RAM
Industrial DDR4 ECC SODIMM memory module with 2400 MT/s and 16GB RAM
Industrial DDR4 ECC SODIMM memory module with 2666 MT/s and 32GB RAM
Carrierboards
congatec COM Express Type7 evaluation carrier with 4x 10Gbe Ethernet. Commercial temperature range.
Evaluation Carrier Board for COM Express Type 7 modules with four 10GbE SFP+ fiber/copper ports. No BMC. Extended temperature range from -40°C to 85°C.
Module services
Design-Training to develop carrier boards for Computer on Modules
HumiSeal® 1A33 coating for COM Express Basic and Compact modules; MIL-I-46058C qualified, IPC-CC-830 and
RoHS Directive 2002/95/EC compliant and recognized under UL File Number E105698.
congatec Wide Temperature Range Screening
Standard screening profile with 12h temperature screening and cold soak test
Including functional test and several boot-ups (before & after screening)
congatec Wide Temperature Range Screening
Standard screening profile with 12h temperature screening and cold soak test
Including functional test and several boot-ups (before & after screening)
Accessories
conga-X7EVAL
Evaluation Carrier Board for COM Express Type 7