Product

HP 400W Power Supply Unit 704427 / DPS-400AB-19 | New Original HP PSU for Z230 Tower Workstation (18 + 4 + 6 Pin)

2️⃣ Key Features

• New original HP 400W power supply unit — factory genuine, not refurbished
• Direct HP PSU replacement for HP Z230 Tower Workstation
• Cross-compatible HP spare numbers: 704427-001 / 704427-002 / 705045-001 / 860473-001
• Compatible PSU model equivalents: DPS-400AB-19A / D12-400P1A
• Higher 400W output — supports more powerful CPU and GPU configurations in Z230 Tower
• Built-in overload, over-voltage, and short-circuit protection (OVP / OCP / SCP)
• HP Z-series workstation proprietary 18-Pin + 4-Pin + 6-Pin connector configuration
• Designed exclusively for HP Z230 Tower workstation chassis — not interchangeable with standard ATX or HP ProDesk PSUs

3️⃣ Technical Specifications

4️⃣ Compatible Models

HP Workstation Series (Tower):

• HP Z230 Tower Workstation

Always verify the part number / model number on your existing PSU label before purchasing.

5️⃣ Package Contents

• 1x HP 400W Power Supply Unit 704427 / DPS-400AB-19 (New Original)

6️⃣ Warranty

• 90-day replacement warranty
• Covers manufacturing defects; physical damage and improper installation not included

7️⃣ Additional Notes

• HP Z230 Tower uses a proprietary 18+4+6 pin connector — NOT compatible with standard ATX or ProDesk PSUs.
• Non-hot-plug PSU — system must be fully powered off and unplugged from mains before replacement.
• Do not confuse with Z230 SFF variant which uses a different PSU.
• New original unit — genuine factory HP unit, not refurbished or aftermarket.