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OCuLink (standing for "optical-copper link", since Cu is the chemical symbol for copper) is an extension for the "cable version of PCI Express". Version 1.0 of OCuLink, released in Oct 2015, supports up to 4 PCIe 3.0 lanes (3.9 GB/s) over copper cabling; a fiber optic version may appear in the future.
On August 2, 2022, the CXL Specification 3.0 was released, based on PCIe 6.0 physical interface and PAM-4 coding with double the bandwidth; new features include fabrics capabilities with multi-level switching and multiple device types per port, and enhanced coherency with peer-to-peer DMA and memory sharing.
Download as PDF; Printable version; In other projects ... CXL Specification 3.0 & 3.1 ... (using PCI Express 4.0 ×4 link)
The specification would be based on the PCI Express interface and NVM Express protocol. On 18 April 2017 the CompactFlash Association published the CFexpress 1.0 specification. [2] Version 1.0 will use the XQD form-factor (38.5 mm × 29.8 mm × 3.8 mm) with two PCIe 3.0 lanes for speeds up to 2 GB/s. NVMe 1.2 is used for low-latency access, low ...
Mobile PCI Express Module (MXM) is an interconnect standard for GPUs (MXM Graphics Modules) in laptops using PCI Express created by MXM-SIG. The goal was to create a non-proprietary, industry standard socket, so one could easily upgrade the graphics processor in a laptop, without having to buy a whole new system or relying on proprietary vendor upgrades.
The M.2 specification provides up to four PCI Express lanes and one logical SATA 3.0 (6 Gbit/s) port, and exposes them through the same connector so both PCI Express and SATA storage devices may exist in the form of M.2 modules.
Download as PDF; Printable version; In other projects ... PCI Express (PCIe) 4.0 2010/11/18 PMBus: ... specification 2.3.1 [10] 2011/04/08 UEFI Shell Specification 2.0
It has produced the PCI, PCI-X and PCI Express specifications. As of 2024, the board of directors of the PCI-SIG has representatives from: AMD, ARM, Dell EMC, IBM, Intel, Synopsys, Keysight, NVIDIA, and Qualcomm. The chairman and president of the PCI-SIG is Al Yanes, a "Distinguished Engineer" from IBM.