This page lists the speeds of common interfaces.
Interface Speeds
| AGP
|
Accelerated Graphics Port
|
| GbE
|
Gigabit Ethernet
|
| ISA
|
Industry Standard Architecture
|
| PCI
|
Peripheral Component Interconnect
|
| PCIe
|
Peripheral Component Interconnect Express
|
| SAS
|
Serial Attached Storage
|
| USB
|
Universal Serial Bus
|
This table shows the speeds of different internal interfaces.
| Interface |
Year |
Speed |
Gigabit/s
|
| USB 1.0
|
1996
|
1.5Mbit/s
|
0.0015
|
| USB 1.1
|
1998
|
12Mbit/s
|
0.012
|
| ISA
|
1981
|
16MB/s
|
0.128
|
| FireWire 400
|
1995
|
393.216Mbit/s
|
0.392216
|
| USB 2.0
|
2001
|
480Mbit/s
|
0.48
|
| FireWire 800
|
2002
|
786.432Mbit/s
|
0.786432
|
| 1 GbE
|
1999
|
1Gbps
|
1
|
| PCI33
|
1992
|
133MBps
|
1.064
|
| SATA 1.0
|
2003
|
1.5Gbit/s
|
1.5
|
| PCI66
|
1995
|
266MBps
|
2.128
|
| 2.5 GbE
|
|
2.5Gbps
|
2.5
|
| SAS-1
|
2004
|
3Gbit/s
|
3
|
| SATA 2.0
|
2004
|
3Gbit/s
|
3
|
| 5 GbE
|
2016
|
5Gbps
|
5
|
| USB 3.0
|
2008
|
5Gbit/s
|
5
|
| SAS-2
|
2009
|
6Gbit/s
|
6
|
| SATA 3.0
|
2008
|
6Gbit/s
|
6
|
| 10 GbE
|
|
10Gbps
|
10
|
| USB 3.1
|
2013
|
10Gbit/s
|
10
|
| SAS-3
|
2013
|
12Gbit/s
|
12
|
| AGP
|
1997
|
2133MBps
|
17.064
|
| Thunderbolt 1
|
2011
|
20Gbit/s
|
20
|
| Thunderbolt 2
|
2013
|
20Gbit/s
|
20
|
| USB 3.2
|
2017
|
20Gbit/s
|
20
|
| SAS-4
|
2017
|
22.5Gbit/s
|
22.5
|
| PCIe 1.x
|
2003
|
4GB/s
|
32
|
| Thunderbolt 3
|
2015
|
40Gbit/s
|
40
|
| Thunderbolt 4
|
2020
|
40Gbit/s
|
40
|
| USB 4
|
2019
|
40Gbit/s
|
40
|
| SAS-5
|
2018
|
45Gbit/s
|
45
|
| PCIe 2.x
|
2007
|
8GB/s
|
64
|
| Thunderbolt 5
|
2023
|
80Gbit/s
|
80
|
| USB 4 v2.0
|
2022
|
80Gbit/s
|
80
|
| PCIe 3.x
|
2010
|
15.75GB/s
|
126
|
| PCIe 4.x
|
2017
|
31.5GB/s
|
252
|
| PCIe 5.x
|
2019
|
63GB/s
|
504
|
| PCIe 6.x
|
2022
|
121GB/s
|
968
|
| PCIe 7.x
|
2025
|
242GB/s
|
1936
|