Question · Q4 2025
Tim Savageaux asked about the specific drivers for the expected $10 million sequential increase in data center revenue in Q1, given that the significant 800G ramp is anticipated in Q2. He also sought more color on the near-term gross margin headwinds in Q1, despite an expected increase in CATV revenue. Additionally, he asked for a clearer definition of '800G to dominate revenue' in Q2, specifically if it implies 800G revenue will exceed the combined revenue of 100G and 400G. Finally, he inquired about the expected customer concentration for the projected $1 billion total revenue in 2026, particularly within the data center segment.
Answer
Dr. Stephen Murray, CFO and Chief Strategy Officer, stated that the Q1 data center revenue increase will be driven by continued growth in 400G and some 800G revenue, though not the dramatic ramp expected in Q2. He explained that Q1 gross margins are a wash, with headwinds from the product mix (400G growth) offset by expanding CATV gross margins. He clarified that '800G to dominate' means it will be the largest segment contributor within data center revenue, exceeding 100G or 400G individually. Dr. Thompson Lin, Founder, Chairman, and CEO, added that 800G revenue could be $25 million, but demand is $35 million-$40 million, limited by capacity. For the $1 billion 2026 revenue, Dr. Murray projected that after CATV, the remaining $700 million-ish data center revenue would be dominated by two large hyperscale customers, roughly comparable in size, with a third significant but smaller customer. Dr. Lin confirmed there would be three hyperscale data center customers contributing more than 10% of total revenue for the year.
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