HP Pro 3330/3340/3380/3085 Power Supply – Genuine PCB230 300W Replacement

Part Numbers: PCB230, D11-300P1A, 752618-001, 752628-001
Alternate Part Numbers: 849647-002, DPS-300AB-72 B, 759046-001, 759764-001

Restore Reliable Power to Your HP Pro Series Desktop

Is your HP Pro 3330, 3340, 3380, or 3085 desktop failing to power on? Are you experiencing sudden shutdowns, random restarts, or system instability? These are classic signs of a failing internal power supply. At CompVate, we provide the ideal solution: a brand-new, genuine OEM 300W power supply, engineered exclusively for your HP Pro series small form factor business desktop.

This is not a low-quality aftermarket unit. This is an authentic HP component, built to the exact specifications of your original equipment. By choosing this genuine replacement, you restore full stability, protect your internal components from power surges, and extend the life of your business or home office workstation.

Quick Compatibility Guide – Is This the Right Part?

Before you place your order, please verify that this power supply matches your specific system. This 300W unit is designed for the following HP Pro series desktops:

• HP Pro 3330 – Small Form Factor

• HP Pro 3340 – Small Form Factor

• HP Pro 3380 – Small Form Factor

• HP Pro 3085 – Small Form Factor

• HP ProDesk 400 G1 – Small Form Factor

• HP ProDesk 480 G1 – Small Form Factor

Important Form Factor Check

This 300W power supply is exclusively compatible with the Small Form Factor version of these HP desktops. Other chassis variants use different power supplies with distinct physical dimensions and connector layouts.

To confirm your system type:

• Look at the physical size of your current desktop chassis – Small Form Factor models are compact and slim.

• Check your existing power supply label for the model number or part number.

• Refer to your HP system specifications or the sticker on the side of your PC.

Using the wrong power supply can lead to physical incompatibility or electrical damage, so please double-check before purchasing.

Why Choose a Genuine OEM HP Power Supply?

1. Perfect Fit and Connector Compatibility

Aftermarket power supplies often use universal brackets or adapter cables that may not align properly with your HP motherboard. This genuine HP unit features the exact connectors in the correct pinouts, ensuring a secure connection every time.

2. Consistent 300W Power Delivery

Rated at a steady 300 watts, this power supply provides ample and stable energy for standard office configurations, including Intel Core processors, integrated graphics, dual storage drives, and standard RAM modules. It eliminates voltage fluctuations that can corrupt data or damage sensitive components.

3. Built-in Overvoltage and Short-Circuit Protection

Genuine HP power supplies include multiple layers of electrical safeguards. These protect your motherboard, central processing unit, and storage drives from unexpected power spikes or short circuits – something cheaper third-party units often lack.

4. Quiet and Efficient Operation

This OEM unit is designed with a temperature-controlled fan that runs quietly under normal loads. It balances cooling and noise levels, making it ideal for open-plan offices, shared workspaces, or quiet home environments.

5. Long-Term Reliability

HP engineers these power supplies to last through thousands of power cycles. When you replace your failing unit with this genuine part, you are investing in years of dependable service, reducing future downtime and maintenance costs.