Dell - D220p 01 Power Supply Pinout 2

Many OEM versions of this adapter include a bare braided mesh wire beneath the outer PVC jacket. Snip it cleanly down to the jacket entry point and wrap it tightly in vinyl tape or heat shrink so no rogue metallic fragments touch the 12V rails. Project Ideas for the Modified D220P-01

Unlike standard ATX power supplies that use a "Green Wire to Ground" method, the D220P-01 uses a proprietary signaling mechanism Scribd, 428081993/Wiring-SpecDell.

This PSU is a proprietary 220W unit found in older Dell OptiPlex desktops (e.g., GX270, GX280, SFF models). A reliable pinout is critical because Dell deviates from the ATX standard.

The D220P-01 uses a , which looks similar to a PCIe power connector but has a different pin assignment. It contains three 12V pins, three ground pins, one sense/signal pin, and one reserved pin. The pin numbering on the female receptacle (on the cable side) from the connector's front (pin side facing you) follows the layout below: Pin 1 is top-right, Pin 2 top-center, Pin 3 top-left, Pin 4 is the top-left pin on a lower row? Actually, the pinout table shows:

Verified against Dell’s original schematics and real-world testing. Do not trust generic “Dell PSU pinout” images – use the table above. Dell D220p 01 Power Supply Pinout 2

| Dell Pin | Dell Signal | -> | ATX Pin | ATX Signal | | :--- | :--- | :--- | :--- | :--- | | 1,2,15,16,17,19 | Ground | -> | 3,5,7,13,15,16,17 | Ground | | 3,4,5,20 | +5V | -> | 4,6,19,20 | +5V | | 9,10 | +12VA | -> | 10,11,12 | +12V | | 12,13,14 | +3.3V | -> | 1,2,11 | +3.3V | | 11 | 3.3V Sense | -> | (Not on ATX) | Leave unconnected OR tie to +3.3V | | 18 | PS_ON# (Green) | -> | 14 (Green) | PS_ON# | | 8 | PWR_OK (Gray) | -> | 8 (Gray) | PWR_OK | | 7 | +5VSB (Red/Black) | -> | 9 (Purple) | +5VSB | | 6 | +12VB | -> | Not used | (Drive rail only) |

The (DA-2 Series) is a specialized 220W external power supply used primarily for Dell Optiplex Ultra Small Form Factor (USFF) systems. It is popular in the DIY community—especially for eGPU setups—due to its high 12V output (18A) and relatively low cost. Pinout Configuration

There are a few common ways to achieve this, from simple solutions like using a toggle switch to more advanced methods for precise control.

: Because it provides 18A, it is recommended to join all three +12V (White) wires and all three Ground (Black) wires together if you are using it for high-current applications like eGPUs or LED strips to prevent individual wires from overheating. Many OEM versions of this adapter include a

. Plugging it directly into a standard motherboard can cause permanent damage. Safety Protections:

Generally not required for standard 12V power modifications and can be insulated.

| Pin Number | Pin Name | Description | Pin Shape | |:----------:|:--------:|:------------|:---------:| | 1 | +12V | Rail 1 | Circle | | 2 | +12V | Rail 2 | Square | | 3 | +12V | Rail 3 | Square | | 4 | Reserved | Reserved | Circle | | 5 | GND | Ground | Square | | 6 | GND | Ground | Circle | | 7 | GND | Ground | Circle | | 8 | S (Signal) | Signal (Remote) | Square |

No, not directly. The D220P-01 only supplies 12V. A standard ATX motherboard requires 12V, 5V, 3.3V, and -12V. To use it, you would need to pair it with a , which is a DC-DC converter that takes the 12V input and generates the other necessary voltages. This PSU is a proprietary 220W unit found

Some D220P-01 units omit pins 4 and 6, leaving a 4-pin connector (positions 1,2,3,5 only). In that case: Pin1=Purple, Pin2=Black, Pin3=Green, Pin5=Gray.

Power Supply Units (PSUs) are a critical component of any computer system, converting Alternating Current (AC) power from a wall outlet into Direct Current (DC) power that the system's components can use. The PSU connects to the motherboard via a specific connector, and the configuration of this connector, or pinout, varies by PSU model and manufacturer. The Dell D220p 01, like other PSUs, has a specific pinout that dictates how power is distributed to various components.

The Dell D220P-01 power supply Go to product viewer dialog for this item.