NEC Corporation (TSE:6701) is considering a sale of its data centers as the Japanese technology group seeks to streamline its portfolio and raise cash by selling non-core assets, according to people familiar with the matter. The Tokyo-traded company is looking to hire financial advisers to help prepare a potential sale of the business, which could be valued at $400 million to $500 million, the people said, asking not to be identified because the deliberations are private. Other data center operators and infrastructure-focused funds have shown preliminary interest in the assets, the people said.