Delta 1200-Watts AC Common Redundant Power Supply – DPS-1200TB-A

Delta DPS-1200TB-A 1200W Hot-Plug Power Supply

When a server”s power supply fails, everything attached to it stops mattering, which is why seasoned admins keep a spare of this exact model on the shelf. The Delta DPS-1200TB-A delivers 1200 watts of continuous output on a single high-current 12V design, with 80 PLUS Gold efficiency and active PFC keeping waste heat and energy bills down even at sustained loads. Its common-redundant hot-plug form factor slides into matching server bays and power shelves for quick swap-outs without extended downtime, and in the wider build community it has become a favorite for repurposing: paired with a breakout adapter it becomes a clean, powerful 12V source for high-draw rigs and bench projects.

Key Features

• 1200W continuous output on a single high-current +12V rail
• 80 PLUS Gold efficiency with up to 94% peak conversion
• Active PFC for stable wide-range AC input
• Common-redundant hot-plug form factor for fast swaps
• High-airflow internal cooling designed for dense bays
• Trusted Delta power engineering for demanding duty cycles

Product Specifications

• Model: DPS-1200TB-A
• Output Power: 1200W continuous
• Main Output: single high-current +12V rail design
• Efficiency: 80 PLUS Gold certified, up to 94% peak
• Input: 100-240V AC wide-range input with active power factor correction
• Form Factor: common-redundant hot-plug server PSU
• Cooling: internal high-airflow fan engineered for hot-swap bays
• Use Profile: built for server, storage and continuous-duty 12V applications

Use Cases

Replace a failed or aging unit in a server or storage system that takes common-redundant supplies, or stock it as the hot spare that turns a potential outage into a five-minute maintenance window. Builders use it with a proper breakout adapter to power GPU rigs and lab equipment that need serious clean 12V, and integrators pair it with compatible power shelves when assembling compact multi-node systems.

Compatibility

This supply is built for chassis and power shelves that accept common-redundant, Delta-style hot-plug server power supplies with the matching common-slot connector. Standalone or desktop use requires a breakout adapter that mates with that connector, so verify the socket type of your chassis, shelf or adapter before ordering to guarantee a direct fit.

Frequently Asked Questions

Is this 80 PLUS Gold?

Yes. The unit is 80 PLUS Gold certified, converting up to 94% of input power at peak load, which reduces both heat and running costs.

What is the output configuration?

It provides a single high-current +12V main output delivering 1200W continuously, the arrangement server hardware is designed around.

Can it be swapped while the system runs?

In a chassis or shelf designed for common-redundant hot-plug supplies, yes; that is the core purpose of the form factor.

Can I use it for a custom or mining build?

Yes, with a breakout adapter that connects to the common-slot connector, this model is widely used to power multi-GPU rigs and high-draw 12V projects.

Power is the one component you want boring, proven and overbuilt, and this is exactly why this supply keeps its reputation. With Gold-rated efficiency, a single robust 12V output and a hot-plug design that fits standard common-redundant bays, the DPS-1200TB-A is equally valuable as a same-day replacement in a production server and as the heart of a high-wattage custom build.