peak speed; peak rate
Technical term used in computing and engineering to describe the maximum speed or data transfer rate a system can achieve under ideal conditions.
The peak speed of this SSD is 500 megabytes per second.
The network's peak rate is a theoretical value and differs from the actual speed.
Compound of the English loanword ピーク (peak) and 速度 (speed). The exact origin is uncertain, but it likely emerged in technical Japanese as a direct translation of the English term 'peak speed'.