【3/20 3時】Samsung HBM4 OpenAI初カスタムAIチップ「Titan」独占供給・Samsung-AMD戦略提携 HBM4でMI455X向け供給

3月20日 3時のAI速報をお届けします。

▼ トピック
1. Samsung HBM4 OpenAI初カスタムAIチップ「Titan」独占供給
https://www.businessday.co.za/world/international-companies/2026-03-19-samsung-electronics-to-supply-hbm4-chips-for-openais-first-in-house-ai-processor/
2. Samsung-AMD戦略提携 HBM4でMI455X向け供給
https://www.newsbytesapp.com/news/science/samsung-to-supply-amd-s-next-gen-ai-chips-with-hbm4-memory/story
3. M&A過去最高$813.3B四半期 AI駆動
https://www.marketscreener.com/news/talk-of-ai-disruption-wars-oil-and-rates-dominates-m-a-conference-even-as-deals-soar-ce7e5edede8ffe24
4. Linux Foundation $12.5M 7社AIオープンソースセキュリティ
https://aws.amazon.com/blogs/opensource/aws-and-others-invest-12-5m-to-defend-the-open-source-ecosystem-from-ai-threats/