Core Viewpoint - The PCI Express 7.0 specification is expected to be finalized and released in late 2025, with the current version 0.9 available for member review, indicating no further functional changes are anticipated [1][3]. Summary by Sections Specification Overview - PCIe 7.0 will achieve a maximum data rate of 128.0 GT/s, utilizing PAM4 encoding, and is designed to support a bidirectional throughput of up to 512 GB/s [2][4]. - The specification aims to double the channel speed to meet the increasing demands of emerging applications and markets [3]. Historical Context - PCI-SIG has consistently doubled the bandwidth of PCIe specifications approximately every three years to adapt to evolving technology needs, with the last major update being PCIe 6.0 in 2022 [3]. Key Features - The PCIe 7.0 specification focuses on channel parameters, coverage, and energy efficiency while maintaining low latency and high reliability [4]. - It will support high-bandwidth applications such as 800 G Ethernet, AI/ML, cloud computing, and quantum computing, as well as data-intensive markets like large-scale data centers and high-performance computing [3]. Performance Metrics - The performance metrics for PCIe 7.0 in various lane configurations are as follows: - x1: 32 GB/s - x2: 64 GB/s - x4: 128 GB/s - x8: 256 GB/s - x16: 512 GB/s [5].