"potential upgrades" is a correct and usable phrase in written English.
For example, you could use it in a sentence such as: "We're exploring potential upgrades to our company's internal systems."
>>> The Nationals have considered potential upgrades at catcher this offseason.
Plus there are potential upgrades, including adult ones, if you know what I'm saying.
It also places increased pressure on Cashman to find potential upgrades.
In addition, these greenhouses may serve for potential upgrades, where hydroponic systems can be introduced.
The strategic reduction of these energy demands requires knowledge of potential upgrades prior to a building's construction.
Potential upgrades stemming from the better than expected growth at Verizon Wireless may well be tempered by the poor growth within the European operations.
The Jets searched and they searched and, on the eve of training camp, they found a potential upgrade.
Methods and obtained results will be applied to implement a potential upgrade for the current generation of hybrid rocket motors.
Stanford wrote on her blog that she hoped to lose the "U23" part of the title but she did not expect a potential upgrade to come so quickly.
Moody's Investors Service, which upgraded the county's credit rating earlier this year, announced last month that it had put the Nassau County on its watch list for a potential upgrade because of "significant progress" in the county's fiscal recovery.
Second, we see a potential upgrade to well-underpinned estimates to follow later with improving organic growth (Science, Risk, Exhibitions) and margins (Reed Business Information, Legal), and further buyback potential (every £200m adds 1% to earnings per share).
