The phrase "an overwhelming array of" is correct and usable in written English.
It can be used to describe a large and impressive variety of items, options, or elements in a particular context.
Example: "The exhibition featured an overwhelming array of artworks from various cultures and time periods."
Alternatives: "a vast selection of" or "a massive collection of".
To cover the entire electronic waterfront, they pack an overwhelming array of up to 60 buttons.
Analysts said sellers were moving to other places on the Web in search of buyers who had grown weary of an overwhelming array of product choices on eBay.
Coates offers not only a sharp historical analysis, but also an overwhelming array of insights and experiences that fix the mind on contemporary events with resonating force.
The exhibition as cornucopia — as an overwhelming array of found objects selected and arranged by an artist — has become something of a trend.
Streamlining program requirements and creating clearly structured programs of study to help students gain traction toward degrees rather than be stymied by an overwhelming array of course options, unclear program requirements and a lack of guidance.
In two weeks, Hearst Magazines will release Shopping Etc., a magazine that draws its organizing principles from a department store and includes articles about an overwhelming array of fashion, beauty and home products.
In a new report, research group the Economist Intelligence Unit identifies an almost overwhelming array of obstacles for the region's startups including laws governing online businesses that have resulted in jail time for entrepreneurs.
Timothy I experienced an almost overwhelming array of emotions, but all were experienced constantly and concurrently.
The driver's and passenger's seats can be ordered in almost any size and configuration, in an almost overwhelming array of colors, textures and materials.
New technology presents a breathtaking, yet overwhelming, array of combinations.
In 2009, Michel and fellow education entrepreneur Alex Li founded PathSource as a way to help students navigate the overwhelming array of career options and reduce a "front-end" search process that usually takes years to something more manageable.
