| A | B |
|---|---|
| Peripheral Component Interconnect Express | … |
| Year created | 2003 |
| Created by | • Intel • Dell • HP • IBM |
| Supersedes | • PCI • PCI-X • AGP |
| Width in bits | 1 per lane, up to 16 lanes1 |
| No. of devices | 1 on each endpoint of each connection2 |
| Speed | Dual simplex, up to 242 GB/s |
| Style | Serial |
| Hotplugging interface | Optional (supported with ExpressCard, OCuLink, CFexpress or U.2) |
| External interface | Optional (supported with OCuLink or other forms of PCI Express External Cabling, tunneled over USB4 and Thunderbolt) |
| Website | pcisig.com |
PCI Express
(echo:: @ ᯤ)