从 M.2 到 EDSFF：OCP 计算服务器中 NVMe 外形尺寸的演变.pdf

1、From M.2 to EDSFF:Evolving From M.2 to EDSFF:Evolving NVMe Form Factors in OCP NVMe Form Factors in OCP Compute ServersCompute ServersMiTAC Computing Technology Corp.STORAGEFrom M.2 to EDSFF:Evolving NVMe Form Factors in OCP Compute ServersCharles ChenSenior Director,Product Planning DivisionOutline

2、54321The NVMe Evolution JourneyEnter EDSFF:The Why Behind the ShiftPCIe Gen 5 and BeyondMiTAC OCP Compute Server ImplementationCall to ActionThe NVMe Evolution JourneyType ofType ofNVMe DevicesNVMe DevicesPeakPeakPowerPowerDeviceDeviceThicknessThicknessPCIePCIeBandwidthBandwidthM.22280/2211012W4.2mm

3、PCIe 5.0 x4M.22280/2211010.5W4.2mmPCIe 4.0 x4Type ofType ofNVMe DevicesNVMe DevicesPeakPeakPowerPowerDeviceDeviceThicknessThicknessPCIePCIeBandwidthBandwidthU.2SFF-8639;2.5”25W25mmPCIe 5.0 x4U.2SFF-8639;2.5”25W25mmPCIe 4.0 x4Type ofType ofNVMe DevicesNVMe DevicesPeakPeakPowerPowerDeviceDeviceThickne

4、ssThicknessPCIePCIeBandwidthBandwidthE3.S2T40W16.8mmPCIe 5.0 x8E3.S1T25W7.5mmPCIe 5.0 x4Type ofType ofNVMe DevicesNVMe DevicesPeakPeakPowerPowerDeviceDeviceThicknessThicknessPCIePCIeBandwidthBandwidthE1.SAsymmetric Enclosure25-40W25mmPCIe 5.0/4.0 x4E1.SAsymmetric Enclosure20-25W15mmPCIe 5.0/4.0 x4E1

5、.LAsymmetric Enclosure20-25W9.5mmPCIe 5.0/4.0 x4E1.SSymmetric Enclosure15-20W9.5mmPCIe 5.0/4.0 x4Major data storage,capacity&performance focusedCompact storage for system boot&application cacheEnter EDSFF:The Why Behind the ShiftPerformance gain by PCIe technology migrationForm factor migration for

6、serviceability,reliability,and capacityPCIe Gen 5 and BeyondMainstream flash storage will remain on PCIe 5.0 until 2028.CXL primarily targets disaggregated memory use cases over PCle 6.0 fabric.PCIe 6.0 transition to start in 2027,in sync with Intel/AMD server