Bus Speeds
- PCI Express (PCIe) Bus (2003)
- PCIe 1.0: 2.5 GT/s (gigatransfers per second), 250 MB/s per lane
- PCIe 2.0: 5 GT/s, 500 MB/s per lane
- PCIe 3.0: 8 GT/s, 985 MB/s per lane
- PCIe 4.0: 16 GT/s, 1969 MB/s per lane
- PCIe 5.0: 32 GT/s, 3938 MB/s per lane
- PCIe 6.0: 64 GT/s, 7875 MB/s per lane
- PCIe 7.0: 128 GT/s, 15750 MB/s per lane
- DDR (Double Data Rate) Memory (2000)
- DDR: 266 MT/s (megatransfers per second)
- DDR2: 400 MT/s
- DDR3: 800 MT/s
- DDR4: 1600 MT/s
- DDR5: 3200 MT/s