HP DPS-700AB-1 A - 700W Power Supply for HP Workstation Z440

700W Power Supply for HP Workstation Z440

The 700W Power Supply for HP Z440 Workstations delivers stable, high-efficiency power designed for workstation-class performance. This unit is used across multiple HP part numbers and revisions, all interchangeable in the Z440 platform.

Technical Specifications

• Wattage: 700W
• Form Factor: Workstation power supply (HP proprietary fit)
• Primary System Compatibility: HP Z440 Workstation
• Manufacturer PNs: See interchangeable list below

Interchangeable Part Numbers / Identifiers

858854-001, 809053-001, 719795-001, 719795-002, 719795-003, 719795-004, 719795-005, 758467-001, 792339-001, DPS-700AB-1A

(All of the above part numbers refer to the same 700W Z440 workstation power supply, interchangeable and cross-compatible.)

Connectors

✔️ (1) 18-Pin ATX Connector
✔️ (1) 12-Pin ATX Connector
✔️ (2) 6-Pin PCI-E Connectors
✔️ (1) Mini SATA Optical Connector (P14)
✔️ (4) SATA Connectors
✔️ (1) IDE/Molex Connector

✅ Confirmed Compatibility

Please note that the following list is not exhaustive. Compatibility depends on your system’s specific configuration. Always confirm with your workstation model before purchase.

✔️ HP Z440 Workstation

Key Features

☑️ Genuine 700W replacement for HP Z440 workstations
☑️ High-efficiency design for professional workstation workloads
☑️ Fully interchangeable across all HP part numbers listed above
☑️ Provides stable power delivery for CPU, memory, storage, and GPU upgrades

Fit Notes

• Designed specifically for the HP Z440 workstation.
• All listed part numbers are direct substitutes for each other.
• Not suitable for HP Z420, Z620, or Z640 models (different PSU specifications).