The exact timing and amount of Dell's offer are not known. The person says Dell's bid will likely top Hewlett-Packard Co.'s offer Monday of $1.5 billion. Dell had previously offered $1.13 billion.
The person spoke on condition of anonymity because the person is not authorized to speak publicly about the offer.
Both companies see 3Par's data storage technology supporting their "cloud computing" efforts. Customers are paying Dell, HP and others to operate data centers on their behalf and deliver software over the Internet. Efficient storage is a key part of that system.