--- title: IT18 Series | COM-HPC BGA Mezzanine Connector | Hirose Electric description: COM-HPC compatible BGA mezzanine connector with ultra-high density, PCIe Gen5 support, and low-profile design for high-speed, compact systems. image: https://info.hirose.com/hubfs/HiroseElectric_IT18_ConnectorSeries_NPI_Image_042026.png --- [![](https://info.hirose.com/hubfs/New-Hirose-Americas-Logo-2023.png)](https://www.hirose.com/us/) - [PRODUCT](https://www.hirose.com/product/) - [ABOUT US](https://www.hirose.com/us/about/) - [COMPANY NEWS](https://www.hirose.com/us/companynews/) - [CAREERS](https://www.hirose.com/us/recruitment/) - [EVENTS](https://www.hirose.com/us/event/) - [CONTACT](https://info.hirose.com/contact) - [BLOG](https://blog.hirose.com) - [PARTNERS](https://www.hirose.com/corporate/en/about/partner) - [Global](https://www.hirose.com/corporate/ja/) - Region Site ▼ - [USA](https://www.hirose.com/us/) - [EUROPE](https://www.hirose.com/eu/) - [CHINA](https://www.hirose.com/cn/) - [HONG KONG](https://www.hirose.com/hk/) - [TAIWAN](https://www.hirose.com/tw/) - [SINGAPORE](https://www.hirose.com/sg/) - [MALAYSIA](https://www.hirose.com/my/) - [KOREA](http://www.hirose.co.kr/) - [PRODUCT](https://www.hirose.com/product/) - [ABOUT US](https://www.hirose.com/us/about/) - [COMPANY NEWS](https://www.hirose.com/us/companynews/) - [CAREERS](https://www.hirose.com/us/recruitment/) - [EVENTS](https://www.hirose.com/us/event/) - [CONTACT](https://info.hirose.com/contact) - [BLOG](https://blog.hirose.com) - [PARTNERS](https://www.hirose.com/corporate/en/about/partner) - [Global](https://www.hirose.com/corporate/ja/) - Region Site ▼ - [USA](https://www.hirose.com/us/) - [EUROPE](https://www.hirose.com/eu/) - [CHINA](https://www.hirose.com/cn/) - [HONG KONG](https://www.hirose.com/hk/) - [TAIWAN](https://www.hirose.com/tw/) - [SINGAPORE](https://www.hirose.com/sg/) - [MALAYSIA](https://www.hirose.com/my/) - [KOREA](http://www.hirose.co.kr/)   ## **IT18 Series** **Features: COM-HPC® Standard Compatible, Ultra High Density, Low Profile BGA Mezzanine Connector** - COM-HPC® Standard Compatible Connector​ (Version with weld tabs) - High Speed Transmission:​ - PCIe Gen5 (32GT/s), Gen6 (64GT/s PAM4), 100Gb Ethernet​ (4×25Gb) - Low Profile Design: - Available in 5mm and 10mm stacking heights - High Pin Count and Density: - 400 positions (0.635mm Pitch) - Open Pin-field Layout - Flexible pin mapping for various system architectures - Reliable BGA Termination​ - Pin-in-ball structure ensures high mounting reliability - Officially Licensed COM-HPC® Connector by Samtec [MORE DETAILS](https://www.hirose.com/en/product/series/IT18) [![HiroseElectric\_IT18\_ConnectorSeries\_NPI\_Image\_042026](https://info.hirose.com/hs-fs/hubfs/HiroseElectric_IT18_ConnectorSeries_NPI_Image_042026.png?width=2000&height=1264&name=HiroseElectric_IT18_ConnectorSeries_NPI_Image_042026.png "HiroseElectric_IT18_ConnectorSeries_NPI_Image_042026")](https://www.hirose.com/en/product/series/IT18) - [![Hirose Americas NPI IT18 Video Image 42025](https://info.hirose.com/hs-fs/hubfs/Hirose%20Americas%20NPI%20IT18%20Video%20Image%2042025.jpg?width=1919&height=1080&name=Hirose%20Americas%20NPI%20IT18%20Video%20Image%2042025.jpg) **WATCH VIDEO**](https://www.youtube.com/watch?v=kjG3B5Z295c) - [![Hirose Americas NPI IT18 Image 42026](https://info.hirose.com/hs-fs/hubfs/Hirose%20Americas%20NPI%20IT18%20Image%2042026.jpg?width=1919&height=1080&name=Hirose%20Americas%20NPI%20IT18%20Image%2042026.jpg) **MEET THE IT18**](https://info.hirose.com/hubfs/HiroseElectric_New_Product_Introduction_(NPI)_IT18_042026.pdf?hsLang=en) - [![Hirose Americas NPI IT18 Catalog Image 42026](https://info.hirose.com/hs-fs/hubfs/Hirose%20Americas%20NPI%20IT18%20Catalog%20Image%2042026.jpg?width=1919&height=1080&name=Hirose%20Americas%20NPI%20IT18%20Catalog%20Image%2042026.jpg) **DOWNLOAD CATALOG**](https://info.hirose.com/hubfs/HiroseElectric_IT18Series_ProductCatalogue_April2026.pdf?hsLang=en) ---   ## **Explore Hirose Resources and Solutions**   Access design insights, application-focused solutions, and real-world resources to support your next project.    ![Hirose Americas HRS Connector Icon LP Social Image 072024](https://info.hirose.com/hubfs/Hirose%20Americas%20HRS%20Connector%20Icon%20LP%20Social%20Image%20072024.png) #### [START YOUR SEARCH WITH HIROSE](https://info.hirose.com/home?hsLang=en) ![Hirose Americas Ipad Map Icon LP Social Image 072024](https://info.hirose.com/hubfs/Hirose%20Americas%20Ipad%20Map%20Icon%20LP%20Social%20Image%20072024.png) #### [EXPLORE APPLICATIONS & SOLUTIONS](https://info.hirose.com/applications?hsLang=en) ![Hirose Americas Webinar Movie Icon LP Social Image 072024](https://info.hirose.com/hubfs/Hirose%20Americas%20Webinar%20Movie%20Icon%20LP%20Social%20Image%20072024.png) #### [VIDEOS AND RESOURCES](https://www.youtube.com/channel/UC3kNYuZiIVHH9Gu5QYp5gzg) ### [**ABOUT HIROSE** [Our Company](https://www.hirose.com/corporate/en/about/message/) [Investor Relations](https://www.hirose.com/corporate/en/ir/) [CSR](https://www.hirose.com/corporate/en/csr/message/)   **RESOURCES** [Connector Selector](https://hirose.icata.net/iportal/CatalogViewInterfaceStartUpAction.do?method=startUp&mode=PAGE&volumeID=HRE00001&catalogId=3173360000&pageGroupId=&designID=HRED002&catalogCategoryId=&designConfirmFlg=) [Categories](https://www.hirose.com/product/category) [Applications](https://www.hirose.com/en/product/industry)   **CUSTOMER SUPPORT** [Partners](https://www.hirose.com/corporate/en/about/partner/) [Locations](https://www.hirose.com/corporate/en/about/global_network/) [Contact Us](https://info.hirose.com/contact?hsLang=en) © 2026 Hirose Electric Co., LTD. Corporation. All rights reserved. [Privacy Policy](https://www.hirose.com/corporate/en/terms/privacy/en/) | [Terms of Use](https://www.hirose.com/corporate/en/terms/en/) | [Membership Agreement](https://www.hirose.com/corporate/en/terms/membership/en/) [![](https://info.hirose.com/hubfs/raw_assets/public/Modules/assets/linkedin-in-brands-solid.svg)](https://www.linkedin.com/company/hirose-electric-americas/) [![](https://info.hirose.com/hubfs/raw_assets/public/Modules/assets/youtube-brands-solid.svg)](https://www.youtube.com/@hiroseelectricgroup) [![](https://info.hirose.com/hubfs/raw_assets/public/Modules/assets/facebook-f-brands-solid.svg)](https://www.facebook.com/hiroseelectric/) [![](https://info.hirose.com/hubfs/raw_assets/public/Modules/assets/instagram-brands-solid.svg)](https://www.instagram.com/hiroseelectricamericas/) [![](https://info.hirose.com/hubfs/raw_assets/public/Modules/assets/linkedin-in-brands-solid.svg)](https://www.linkedin.com/company/hirose-electric-americas/) [![](https://info.hirose.com/hubfs/raw_assets/public/Modules/assets/youtube-brands-solid.svg)](https://www.youtube.com/@hiroseelectricgroup) [![](https://info.hirose.com/hubfs/raw_assets/public/Modules/assets/facebook-f-brands-solid.svg)](https://www.facebook.com/hiroseelectric/) [![](https://info.hirose.com/hubfs/raw_assets/public/Modules/assets/instagram-brands-solid.svg)](https://www.instagram.com/hiroseelectricamericas/) - SAMPLE REQUEST - CONTACT US Contact Us](https://www.youtube.com/channel/UC3kNYuZiIVHH9Gu5QYp5gzg)