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conga-B7E3

COM Express Basic Type 7 Server Class module based on AMD EPYC™ 3000 processor series

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            conga-B7E3

            COM Express Basic Type 7 Server Class module based on AMD EPYC™ 3000 processor series

            Learn all about COMs - download the guide

            • AMD EPYC™ Embedded 3000 Series
            • up to 16 Cores, 32MB Cache and 30..100W TDP
            • 4x 10 Gigabit Ethernet KR Interface
            • Up to 32 PCI Express generation 3 lanes
            • Industrial grade variant
            • Optional Onbard NVMe SSD up to 1 TB capacity
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            Value adding ecosystem offerings

            Cooling Solutions

            Memory

            Carrierboards

            Module services

            Specification

            Formfactor
            COM Express Basic
            CPU
            AMD EPYC™ Embedded 3000 Model 3451 – 16 x 2.1 GHz, 32MB L3 cache, 100W
            AMD EPYC™ Embedded 3000 Model 3351 – 12 x 1.90 GHz, 32MB L3 cache, 80W
            AMD EPYC™ Embedded 3000 Model 3251 – 8 x 2.5 GHz, 16MB L3 cache, 55W
            AMD EPYC™ Embedded 3000 Model 3255 – 8 x 2.5 GHz, 16MB L3 cache, 55W
            AMD EPYC™ Embedded 3000 Model 3151 – 4 x 2.7 GHz, 16MB L3 cache, 45W
            DRAM
            Up to 3 SO-DIMM sockets for DDR4 memory modules up to 32 GByte each (96 GByte total) with 2666 MT/s ECC and non-ECC memory
            Ethernet
            4x 10GbE with KR interface support
            1 x Gigabit Ethernet
            I/O Interfaces
            32 x PCI Express GEN 3.0 lanes
            4 x USB 3.1 Gen1
            4 x USB 2.0
            2 x SATA III (6Gb/s)
            LPC bus
            SPI
            2 x UART
            SM-Bus
            congatec Board Controller
            Multi Stage Watchdog | non-volatile User Data Storage | Manufacturing and Board Information | Board Statistics | I²C bus (fast mode, 400 kHz, multi-master) | Power Loss Control | Hardware Health Monitoring | POST Code redirection
            embedded BIOS Features
            OEM Customization
            Flash Update
            AMI Aptio UEFI
            Security
            Trusted Platform Module (TPM 2.0) | Secure Root of Trust | Secure Memory Encryption | Secure Encrypted Virtualization
            Operating Systems
            Microsoft® Windows 10 Enterprise
            Microsoft® Windows Server 2016
            RTS Hypervisor
            Yocto
            Linux
            Temperature
            Extended
            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-B7E3 20.10.2026
            Manual
            User's Guide for conga-B7E3 14.10.2026
            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 Ko
            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 Mo
            CGOS API programmers manual
            cgoslx-x32-1.03.022.tar.gz 12.09.2016 / 50.38 Ko
            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 Ko
            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 Ko
            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 Ko
            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 Ko
            CGOS direct driver for Linux.
            cgutillx.tar 04.07.2023 / 3.93 Mo
            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 Mo
            congatec System Utility Users Guide
            cgutlcmd_linux_1.7.3.0.zip 08.12.2025 / 322.62 Ko
            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 Mo
            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 Mo
            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
            AMD_Software_2.15.30.334.zip 17.06.2021 / 49.99 Mo
            AMD Chipset Software v.2.15.30.334 for Windows 10 1809 LTS (RS5)
            CgMlfTools_2019_10_24.zip 25.03.2024 / 16.68 Mo
            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.
            CgMlfViewer_v100_bin.zip 25.10.2019 / 7.99 Mo
            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 Ko
            CGOS legacy driver 1.03.021 for 64bit Windows 10 only.
            CGOSAPIm14.pdf 04.04.2017 / 1.07 Mo
            CGOS API programmers manual
            CgosPy_1_3.zip 23.07.2024 / 655.40 Ko
            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 Mo
            CGOS direct driver for Windows 10 and Windows 11.
            CGUTILm16.pdf 02.07.2020 / 2.67 Mo
            congatec System Utility Users Guide
            cgutlcmd_win_1.7.3.0.zip 08.12.2025 / 16.33 Mo
            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 Mo
            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 Mo
            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!
            Wired_driver_26.3_x64.zip 09.08.2021 / 29.02 Mo
            Windows 10 Drivers for Intel network adapters and integrated network connections v.26.3
            Windows Server 2016
            APS_4062021714_128.zip 17.06.2021 / 17.29 Mo
            AMD Chipset driver v.4062021714_128 for Windows Server 2016/2019
            cgutlcmd_win_1.7.3.0.zip 08.12.2025 / 16.33 Mo
            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!
            Wired_driver_26.3_x64.zip 09.08.2021 / 29.02 Mo
            Windows 10 Drivers for Intel network adapters and integrated network connections v.26.3
            Windows Server 2019
            APS_4062021714_128.zip 17.06.2021 / 17.29 Mo
            AMD Chipset driver v.4062021714_128 for Windows Server 2016/2019
            cgutlcmd_win_1.7.3.0.zip 08.12.2025 / 16.33 Mo
            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!
            Wired_driver_26.3_x64.zip 09.08.2021 / 29.02 Mo
            Windows 10 Drivers for Intel network adapters and integrated network connections v.26.3
            yocto
            README_Yocto-2-5-3-amd_bsp.txt 14.08.2019 / 13.71 Ko
            Documentation for the congatec Yocto 2.5.3 (sumo) BSP for AMD x86 platforms.
            README_Yocto-2-7-2-amd_bsp.txt 04.01.2021 / 12.94 Ko
            Documentation for the congatec Yocto 2.7.2 BSP for AMD x86 platforms.

            Product Variants

            partnumber(s) found

            conga-B7E3/3451 (P/N 048600)

            COM Express Type 7 Basic module based on AMD embedded EPYC 3451 16-core processor (dual die) with 2.15GHz up to 3.0 GHz turbo boost, 32MB L3 cache and quad channel DDR4 2666 MT/s memory interface (formerly Snowy Owl).

            conga-B7E3/3351 (P/N 048602)

            COM Express Type 7 Basic module based on AMD embedded EPYC 3351 12-core processor (dual die) with 1.9GHz up to 3.0 GHz turbo boost, 32MB L3 cache and quad channel DDR4 2666 MT/s memory interface (formerly Snowy Owl).

            conga-B7E3/i-3255 (P/N 048604)

            COM Express Type 7 Basic module based on AMD embedded EPYC 3255 8-core processor (single die) with 2.5GHz up to 3.1 GHz turbo boost, 16MB L3 cache and dual channel DDR4 2666 MT/s memory interface (formerly Snowy Owl).

            conga-B7E3/3251 (P/N 048605)

            COM Express Type 7 Basic module based on AMD embedded EPYC 3251 8-core processor (single die) with 2.5GHz up to 3.1 GHz turbo boost, 16MB L3 cache and dual channel DDR4 2666 MT/s
            memory interface (formerly Snowy Owl).

            conga-B7E3/3151 (P/N 048607)

            COM Express Type 7 Basic module based on AMD embedded EPYC 3151 4-core processor (single die) with 2.7GHz up to 2.9 GHz turbo boost, 16MB L3 cache and dual channel DDR4 2666 MT/s memory interface (formerly Snowy Owl).

            Ecosystem Details

            Cooling Solutions

            conga-B7E3/HSP-HP-B (P/N 048652)

            Standard heat spreader for high performance COM Express Type 7 module conga-B7E3 with integrated heat pipes. All stand-offs are bore hole. Suitable for all single die variants.

            conga-B7E3/HSP-HP-T (P/N 048653)

            Standard heat spreader for high performance COM Express Type 7 module conga-B7E3 with integrated heat pipes. All stand-offs are M2.5 threaded. Suitable for all single die variants.

            conga-B7E3/SP4-HSP-HP-B (P/N 048656)

            Standard heat spreader for high performance COM Express Type 7 module conga-B7E3 with integrated heat pipes. All stand-offs are bore hole. Suitable for all dual die variants.

            conga-B7E3/SP4-HSP-HP-T (P/N 048657)

            Standard heat spreader for high performance COM Express Type 7 module conga-B7E3 with integrated heat pipes. All stand-offs are M2.5 threaded. Suitable for all dual die variants.

            conga-B7E3/HPA (P/N 048660)

            Heat pipe Adapter for conga-B7E3 COM Express Type 7 module. This adapter can be used in combination with standard 8 mm heat pipes to optimize heat distribution. Suitable for all single die variants.

            conga-B7E3/HPA SP4 (P/N 048662)

            Heat pipe Adapter for conga-B7E3 COM Express Type 7 module. This adapter can be used in combination with standard 8 mm heat pipes to optimize heat distribution. Suitable for all dual die variants.

            Memory

            DDR4-SODIMM-2666 (4GB) (P/N 067780)

            DDR4 SODIMM memory module with 2666 MT/s and 4GB RAM

            DDR4-SODIMM-2666 (8GB) (P/N 067781)

            DDR4 SODIMM memory module with 2666 MT/s and 8GB RAM

            DDR4-SODIMM-2666 (16GB) (P/N 067782)

            DDR4 SODIMM memory module with 2666 MT/s and 16GB RAM

            DDR4-SODIMM-2666 (32GB) (P/N 068806)

            DDR4 SODIMM memory module with 2666 MT/s and 32GB RAM

            DDR4-SODIMM-2666 ECC (4GB) (P/N 067783)

            DDR4 ECC SODIMM memory module with 2666 MT/s and 4GB RAM

            DDR4-SODIMM-2666 ECC (8GB) (P/N 067784)

            DDR4 ECC SODIMM memory module with 2666 MT/s and 8GB RAM

            DDR4-SODIMM-2666 ECC (16GB) (P/N 067785)

            DDR4 ECC SODIMM memory module with 2666 MT/s and 16GB RAM

            DDR4-SODIMM-2666 ECC (32GB) (P/N 068805)

            DDR4 ECC SODIMM memory module with 2666 MT/s and 32GB RAM

            DDR4-SODIMM-2666 (4GB) / i-temp (P/N 068819)

            Industrial DDR4 SODIMM memory module with 2666 MT/s and 4GB RAM

            DDR4-SODIMM-2666 (8GB) / i-temp (P/N 068820)

            Industrial DDR4 SODIMM memory module with 2666 MT/s and 8GB RAM

            DDR4-SODIMM-2666 (16GB) / i-temp (P/N 068821)

            Industrial DDR4 SODIMM memory module with 2666 MT/s and 16GB RAM

            DDR4-SODIMM-2666 (32GB) / i-temp (P/N 068807)

            Industrial DDR4 SODIMM memory module with 2666 MT/s and 32GB RAM

            DDR4-SODIMM-2666 ECC (4GB) / i-temp (P/N 068822)

            Industrial DDR4 ECC SODIMM memory module with 2666 MT/s and 4GB RAM

            DDR4-SODIMM-2666 ECC (8GB) / i-temp (P/N 068823)

            Industrial DDR4 ECC SODIMM memory module with 2666 MT/s and 8GB RAM

            DDR4-SODIMM-2666 ECC (16GB) / i-temp (P/N 068824)

            Industrial DDR4 ECC SODIMM memory module with 2666 MT/s and 16GB RAM

            DDR4-SODIMM-2666 ECC (32GB) / i-temp (P/N 068808)

            Industrial DDR4 ECC SODIMM memory module with 2666 MT/s and 32GB RAM

            Carrierboards

            conga-X7EVAL (P/N 065420)

            congatec COM Express Type7 evaluation carrier with 4x 10Gbe Ethernet. Commercial temperature range.

            Module services

            Design-In Training (P/N 27000001)

            Design-Training to develop carrier boards for Computer on Modules

            Conformal Coating COM Express Basic and Compact (P/N )

            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.

            Ext. temperature screening (-40°C to +85°C) (P/N )

            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)

            Ext. temperature screening (-25°C to +80°C) (P/N )

            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

            More about conga-X7EVAL

            conga-X7EVAL

            Evaluation Carrier Board for COM Express Type 7

            Details

            What is aReady.COM?

            aReady.COM is congatec’s pre-validated and pre-configured platform that combines modular hardware and software building blocks to accelerate embedded development. It includes Computer-on-Modules, virtualization by Hypervisor, and pre-installed, licensed OS like ctrlX OS or Ubuntu Pro. Whether for edge computing or IIoT, aReady.COM simplifies integration, enhances security, and shortens time to market.


            Learn more