DSP · Digital Signal Processor
In optics: the retimer/equalizer chip inside a pluggable transceiver that recovers the signal — the main power consumer that LPO and CPO designs remove.
Context: Parts 7, 8
Current numbers
~15–17 W800G DSP pluggable module power (DR4 / 2×FR4), SemiAnalysis January 2026
25–26 W1.6T DSP pluggable maximum power, FS DR8 / dual-duplex 2×FR4 on a Broadcom 3 nm DSP (December 2025)
~30W → ~9W1.6 Tb/s interface power, pluggable DSP vs CPO: ~3.3× from rounded endpoints; NVIDIA claims 5× lower (Jan 2026)