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1.212 GB/s: 2013 External PCI Express 2.0 ×4: 16 Gbit/s: 2 GB/s: Thunderbolt: 2 × 10 Gbit/s: 2 × 1.25 GB/s: 2011 USB 3.2 SuperSpeed+ (aka USB 3.2 Gen 2×2 USB4 Gen 2×2, USB4 Gen 3×1) [45] 20 Gbit/s: 2.424 GB/s: 2017 Thunderbolt 2: 20 Gbit/s: 2.5 GB/s: 2013 FPGA Mezzanine Card Plus (FMC+) [46] 28 Gbit/s: 3.5 GB/s: 2019 External PCI Express ...
On 29 November 2011, PCI-SIG preliminarily announced PCI Express 4.0, [71] providing a 16 GT/s bit rate that doubles the bandwidth provided by PCI Express 3.0 to 31.5 GB/s in each direction for a 16-lane configuration, while maintaining backward and forward compatibility in both software support and used mechanical interface. [72]
4-layer 3D XPoint PCIe 4.0 x4 NVMe 2.5" 15mm Intel 7200/4800 1500/1150 Q4 2020 Endurance: 100 DWPD DC P1600X Emerald Rapids 58/118 4-layer 3D XPoint PCIe 3.0 x4 NVMe M.2 Intel 1760/1050 410/243 Q2 2021 Endurance: 1292 TBW DC P5801X Alder Stream 400/800 4-layer 3D XPoint PCIe 4.0 x4 NVMe E1.S 15mm Intel 7200/4800 1480/1100 Q4 2022
Double peak performance per clock cycle compared to previous generation due to fused multiply-add instruction. ... PCIe 4.0 x16 A60: 2000 12 GB 384 ... (clock speed ...
However, the UHBR10 DP speed matches USB4 Gen 2 in bit rate and encoding, whereas the UHBR20 DP speed matches USB4 Gen 3 in bit rate and encoding. A USB and DP certification service lists USB Gen 1 cables ("5 Gbps") as supporting UHBR10 speeds, which would fit for having the same requirements as USB4 "20 Gbps" connections.
PCIe lanes [d] Gen 4 None ×8 ×12 x10 x12 ×8 ×12 Gen 3 Up to ×8 Up to ×4 Up to ×8 Up to x4 Up to ×4 Up to ×8 USB support USB 2.0: 6 12 6 12 USB 3.2 Gen 1x1 (5 Gb/s) 2 None None USB 3.2 Gen 2x1 (10 Gb/s) 2 4 8 2 6 4 8 USB 3.2 Gen 2x2 (20 Gb/s) None 1 [e] 2 [f] None 1 [e] 2 [f] Storage features SATA III ports Up to 4 Up to 8 Up to 4 Up to ...