SAN JOSE — Super Micro Computer has expanded its foothold in San Jose with the purchase of two office and research buildings that it obtained from Lumentum.
The tech company paid $43 million to purchase the north San Jose office buildings, documents filed on Feb. 27 with the Santa Clara County Recorder’s Office show. It was an all-cash deal, according to the real estate documents.
In 2019, Lumentum, a telecommunications equipment company, bought a building at 1001 Ridder Park Drive, plus the two Fox Drive buildings it has just sold. The 1001 Ridder Park building wasn’t part of the just-completed Super Micro purchase.
This latest deal on Fox Drive extends Super Micro’s expansion at three distinct tech hubs within a few minutes’ driving distance of the company’s headquarters at 980 Rock Ave. The head offices and emerging work hubs are all in north San Jose.
One office building has addresses that include 1717 and 1733 Fox Drive, while the other has addresses that include 1745 and 1751 Fox Drive, according to the county real estate records. Together, the two buildings total 115,400 square feet.
Super Micro makes high-performance computer servers that can accommodate hyper-advanced computations and processes needed for artificial intelligence and other cutting-edge technologies.
With the latest deal for the two buildings now in the books, Super Micro Computer is creating campuses on Fox Drive, Ridder Park Drive, and East Brokaw Road.
Super Micro’s north San Jose expansion efforts were launched more than a decade ago when the tech company revealed in a regulatory filing in 2013 that it had agreed to buy a property at 750 Ridder Park Drive. That was the decades-long headquarters, newsroom and printing plant complex of the Mercury News.
The tech company began developing what it calls a green computing campus on the Ridder Park site.
The next major move occurred in 2024 when Super Micro paid $80 million for a 19.7-acre site at 550 East Brokaw Road that was once the headquarters and a store with a Mayan theme for long-defunct Fry’s Electronics.
In May 2025, Super Micro won city approval for a building totaling 333,400 square feet that could be the vanguard of a tech campus that, if fully built out, could total 3 million square feet at the East Brokaw property.
The construction of the first East Brokaw building is now underway, multiple direct observations of the site show.
The East Brokaw campus could accommodate potentially wide-ranging uses, including advanced manufacturing activities. Super Micro has yet to precisely specify its plans for the property.
Super Micro also has collected a building that is around the block from its other sites on Fox Drive. In September 2025, Super Micro paid $13.3 million for an office property at 1321 Ridder Park, Santa Clara County documents show.
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