Whilst Broadcom had announced a series of 2.5 Gbit/s transceiver ICs, 2.5 Gbit/s switch hardware was not widely commercially available at that point; 10GBASE-T switches do not generally support the intermediate speeds.
雖然博通宣布了一系列的2.5 Gbit/s收發器集成電路，但在當時市場上的2.5 Gbit/s交换机硬件并未广泛商用；10GBASE-T交换机一般不支持中間速度。