noun
data transfer rate
Technical computing term for the speed at which data is transmitted, often measured in bits per second.
このケーブルのデータ転送速度は最大10Gbpsです。
The data transfer rate of this cable is up to 10 Gbps.
通信速度 is a broader term for communication speed, while データ転送速度 specifically refers to the rate of data transfer.
Compound of データ (data), 転送 (transfer), and 速度 (speed).