News — SR4
MMA4Z00-NS400 US Pricing Guide: What This 400G OSFP Module Actually Costs (2026)
A straight comparison of US pricing for the NVIDIA MMA4Z00-NS400 flat-top 400G OSFP SR4 module across genuine OEM distributors and compatible sellers, plus the flat-top/finned-top mistake that trips up ConnectX-7 buyers.