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  2. NVM Express - Wikipedia

    en.wikipedia.org/wiki/NVM_Express

    NVM Express (NVMe) or Non-Volatile Memory Host Controller Interface Specification (NVMHCIS) is an open, logical-device interface specification for accessing a computer's non-volatile storage media usually attached via the PCI Express bus.

  3. PCI Express - Wikipedia

    en.wikipedia.org/wiki/PCI_Express

    PCI Express devices communicate via a logical connection called an interconnect [10] or link. A link is a point-to-point communication channel between two PCI Express ports allowing both of them to send and receive ordinary PCI requests (configuration, I/O or memory read/write) and interrupts (INTx, MSI or MSI-X).

  4. Solid-state drive - Wikipedia

    en.wikipedia.org/wiki/Solid-state_drive

    An SSD that uses NVM Express as the logical device interface, in the form of a PCI Express 3.0 ×4 expansion card During installation, Linux distributions usually do not configure the installed system to use TRIM and thus the /etc/fstab file requires manual modifications. [ 183 ]

  5. Compute Express Link - Wikipedia

    en.wikipedia.org/wiki/Compute_Express_Link

    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. [25] [26]

  6. CFexpress - Wikipedia

    en.wikipedia.org/wiki/CFexpress

    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 ...

  7. SATA Express - Wikipedia

    en.wikipedia.org/wiki/SATA_Express

    Used for PCI Express SSDs and interfaced through the NVMe driver and provided PCI Express lanes, as a high-performance and scalable host controller interface designed and optimized especially for interfacing with PCI Express SSDs. NVMe has been designed from the ground up, capitalizing on the low latency and parallelism of PCI Express SSDs, and ...

  8. Disaggregated storage - Wikipedia

    en.wikipedia.org/wiki/Disaggregated_Storage

    Modern server performance: due to the PCIe Gen 4 serial bus, many servers can deliver more than 8 GB/sec of throughput, which far exceeds traditional storage networking performance capabilities. The shift toward NVMe : The shift from disk to SAS / SATA flash, and now NVMe flash, puts pressure on servers and networks alike.

  9. Enterprise and Data Center Standard Form Factor - Wikipedia

    en.wikipedia.org/wiki/Enterprise_and_Data_Center...

    As a family of form factors, it defines specifications for the mechanical dimensions and electrical interfaces devices should have, to ensure compatibility between disparate hardware manufacturers. The standard is meant to replace the U.2 form factors for drives used in data centers. [1] EDSFF provides a pure NVMe over PCIe interface. One ...