The DPS-700AB-1A is an original new power supply designed specifically for the HP Z440 workstation. With a reliable output of 700 watts, this power supply ensures stable and efficient power delivery to support the demanding performance requirements of professional computing environments. Manufactured to meet strict quality standards, it guarantees compatibility and longevity for your HP Z440 system. This power supply unit features multiple part numbers including 809053-001, 719795-003, 792339-001, 758467-001, 858854-001, and 719795-004, which confirms its authenticity and suitability for various configurations of the HP Z440. Its robust construction and efficient design help maintain optimal system performance while minimizing power loss and heat generation. Ideal for businesses and professionals seeking a dependable replacement or upgrade, the DPS-700AB-1A power supply supports uninterrupted operation and enhances system reliability. Investing in this original HP component ensures your workstation continues to perform at its best, making it a critical component for maintaining productivity and system stability.