Dell D220p 01 Power Supply Pinout 2 May 2026
The Dell D220p 01 PSU is a 220-watt power supply designed for efficiency and reliability. It features an 80 PLUS certification, indicating that it meets certain standards for efficiency. The PSU has multiple connectors for powering different components of a computer system, including the motherboard, hard drives, and graphics cards.
If you have ever cracked open a Dell Optiplex GX270, GX280, or an SX280, you have encountered the Dell D220P-01. Manufactured by Delta Electronics (Model number DPS-220PB A), this 220-watt power supply unit (PSU) is a classic example of proprietary OEM engineering. Unlike standard ATX power supplies, the D220P-01 uses a non-standard 20-pin main connector and a unique "sense" wire configuration.
For years, techs have salvaged these units for their surprising build quality (Delta is known for robust components) or attempted to adapt them for standard motherboards. This article provides the definitive pinout for Revision 2 of this PSU. Miswiring this unit will cause immediate short circuits, motherboard damage, or trigger the PSU’s "latching" protection mode.
The Dell D220p 01 power supply unit is a robust component designed to provide reliable power to Dell systems. Understanding its pinout is essential for ensuring that power is correctly distributed to all components, supporting system stability and performance. Whether for custom builds, repairs, or upgrades, having a comprehensive understanding of the PSU's pinout and its functionalities is invaluable. As technology continues to evolve, the principles of understanding and working with PSU pinouts remain a fundamental skill for both enthusiasts and professionals in the computing world.
The Dell D220P-01 (DA-2 Series) is a robust, high-output 216W external power brick originally designed for ultra-small form factor (USFF) desktops like the Dell OptiPlex SX280. It has gained a "cult following" in the DIY community for powering eGPUs and high-current 12V projects due to its massive 18A capacity. Pinout & Wiring Guide
The proprietary 8-pin connector is not electrically compatible with standard PCIe or EPS 8-pin connectors, despite physical similarities. Pin Number Signal Name Description Wire Color (Internal) 1 Vo Reserved Reserved / Not used 2, 3, 4 Main Power Output (+ve) 5 Remote Power-On 6, 7, 8 Ground / Negative (-ve) Source: Scribd Wiring Spec
Critical Note for DIYers: To turn the power supply on without a Dell motherboard, you must short Pin 5 (Remote) to any GND pin (6, 7, or 8). Once enabled, the LED indicator will turn from orange (standby) to green (active), and the unit will output approximately 12.35V. Review: Pros & Cons Pros Dell D220P-01 Power Supply Pinout Guide | PDF - Scribd
Dell D220P-01 (part of the DA-2 series) is a 216W external power brick providing 12V at 18A. It uses a proprietary 8-pin connector that is mechanically similar to an 8-pin EPS/PCIe connector but has a completely different and incompatible electrical pinout. CPU Medics Connector Pinout Specifications The following pinout is for the female receptacle
as seen from the front, with the clip/fastener at the bottom: Pin Number Wire Color (Internal) Reserved / Remote + +12V Output +12V Output +12V Output Remote Ground / PS_ON Ground (GND) Ground (GND) Ground (GND) Operational Details Power Activation:
To turn the power supply on manually (for DIY projects or testing), you must short Pin 5 to Ground
(typically Pin 6). When successfully jumpered, the LED on the brick will change from orange (standby) to green (active). Compatibility: This unit was originally designed for Dell Optiplex Ultra Small Form Factor (USFF)
models, including the SX280, GX620, 745, 755, and 760 series. Safety Warning:
plug this directly into a standard 8-pin PCIe or EPS motherboard header. The voltages are reversed compared to standard ATX specifications, which can lead to immediate hardware failure or fire. Modifications:
For high-current usage (near the 18A limit), it is recommended to join all three +12V wires together and all three Ground wires together to prevent individual thin wires from overheating. specific DIY applications for this power supply? Dell D220P-01 Power Supply Pinout Guide | PDF - Scribd
The Dell D220P-01 Go to product viewer dialog for this item.
(often referred to as the DA-2 series) is a robust 220W external power supply primarily designed for ultra-small form factor (USFF) systems like the Dell OptiPlex SX280 and GX620. Unlike standard ATX power supplies, it delivers a steady 12V output at 18A through a proprietary 8-pin connector, making it a favorite for DIY enthusiasts building eGPUs or LED displays. Technical Specifications Input Voltage: 100-240V AC, 50-60Hz.
Output Rating: 12V DC at 18A, providing roughly 216W to 220W of total power.
Protection Features: Includes OVP (Over Voltage), OCP (Over Current), SCP (Short Circuit), and OTP (Over Temperature) protections. Connector: Proprietary 8-pin DIN-style plug (DA-2 style). 8-Pin Connector Pinout
According to technical documentation and multimeter testing, the 8-pin female receptacle (viewed head-on with the clip at the bottom) typically follows this configuration: Pin Number Wire Color (Internal) 1 Remote + (Sense/Reserved) 2 3 4 5 Remote (Signal/Power On) 6 Ground (GND) 7 Ground (GND) 8 Ground (GND) Operational Note: "Power On" Mechanism Go to product viewer dialog for this item.
does not output full power immediately upon being plugged in. To activate the 12V output (changing the status LED from orange to green), the Remote Signal (Pin 5) must be shorted to Ground (Pin 6). Warnings and Compatibility
EPS Compatibility: While the connector is mechanically similar to an 8-pin EPS12V plug, they are not electrically compatible. Plugging a
directly into a standard motherboard can cause catastrophic failure or fire due to reversed polarity.
Modifications: For DIY use, many users cut the cable to access the internal wires. For high-current applications (over 6A), it is recommended to join multiple wires of the same type (e.g., all three whites for positive) to handle the 18A load safely.
Are you planning to use this power supply for a standard Dell desktop or a custom DIY project like an eGPU? Dell D220P 01 Power Supply Wiring Dell D220p 01 Power Supply Pinout 2
Dell D220P 01 Power Supply Pinout Report
Introduction
The Dell D220P-01 is a power supply unit (PSU) commonly used in various Dell systems. This report provides detailed information on the pinout configuration of the power supply.
Pinout Configuration
The Dell D220P-01 power supply has a standard ATX pinout configuration, with some modifications. The pinout is as follows:
ATX Power Connector (P1)
| Pin | Signal Name | Description | | --- | --- | --- | | 1 | PS_ON | Power switch (active low) | | 2 | - | Not connected | | 3 | - | Not connected | | 4 | +5V | +5V power output | | 5 | - | Not connected | | 6 | +5V | +5V power output | | 7 | - | Not connected | | 8 | PW_OK | Power OK (active high) | | 9 | - | Not connected | | 10 | +5VSB | Standby +5V power output | | 11 | - | Not connected | | 12 | - | Not connected | | 13 | +3.3V | +3.3V power output | | 14 | +3.3V | +3.3V power output | | 15 | +5V | +5V power output | | 16 | PG | Power good (active high) | | 17 | - | Not connected | | 18 | - | Not connected | | 19 | +5V | +5V power output | | 20 | - | Not connected | | 21 | +12V | +12V power output | | 22 | +12V | +12V power output | | 23 | +5V | +5V power output | | 24 | - | Not connected |
SATA Power Connectors (P2, P3, P4)
| Pin | Signal Name | Description | | --- | --- | --- | | 1 | +5V | +5V power output | | 2 | +5V | +5V power output | | 3 | +12V | +12V power output | | 4 | GND | Ground | | 5 | GND | Ground | | 6 | GND | Ground | | 7 | +12V | +12V power output | | 8 | +5V | +5V power output |
Other Connectors
The Dell D220P-01 power supply also features other connectors, including:
Specifications
Conclusion
The Dell D220P-01 power supply is a reliable and efficient unit designed for use in various Dell systems. Its pinout configuration follows the standard ATX layout, with some modifications. This report provides detailed information on the power supply's connectors and pinout, which can be useful for system administrators and enthusiasts planning to use or modify this power supply.
The Dell D220p-01 power supply pinout was the only thing standing between Silas and the survival of the sector. 🔌 The Darkened Server The Crisis: A sudden power surge fried the main grid.
The Casualty: The colony's central air-filtration database went dark. The Backup: A pile of legacy, proprietary Dell hardware.
Silas stared at the glowing soldering iron in his hand. Outside the heavy blast doors of the server room, the air was already growing thick and metallic. He had found a pristine Dell D220p-01 power brick in the salvage bin, but its weird, proprietary 8-pin connector wouldn't fit the standard custom terminal block of the backup database.
If he wired it wrong, he would fry the hard drives containing the atmospheric algorithms. If he did nothing, they would suffocate. 🛠️ The Deciphering
He flipped the heavy black brick over, squinting at the fine print. No diagrams. No legends. Just a sleek, uncaring plastic casing. The Clock: 14 minutes of breathable air remained.
The Tool: A battery-powered multimeter with a cracked screen.
The Goal: Find the three live 12-volt rails and the ground pins.
Silas hacked the proprietary connector off with a pair of wire cutters, exposing a bundle of thick wires. He took a deep breath, trying to keep his hands from shaking. He powered on the brick and began probing the exposed ends.
Red probe to wire one. Black probe to wire two. Zero volts.He moved to the next. Zero volts. The Dell D220p 01 PSU is a 220-watt
"Come on," he whispered. The power supply was in standby mode. He knew how these old proprietary units worked; they required a specific handshake—a "remote on" signal—to actually bridge the circuit and push the heavy current. He had to trick the brick into thinking it was plugged into its original system. ⚡ The Spark of Life
With 8 minutes left, he found it. By jumping a high-impedance resistor between a 5-volt standby line and the remote-enable pin, he heard a distinct, beautiful click from inside the Dell brick. The internal fan whirred to life. He measured again. Pins 1, 2, 3: Solid 12-volt power. Pins 5, 6, 7: Return grounds.
His hands moved in a blur of solder and heat-shrink tubing. He fused the 12-volt lines together and bolted them to the positive terminal of the database. He did the same with the grounds. He flipped the breaker.
The ancient hard drives spun up with a loud, grinding whine. Status lights blinked from amber to a steady, beautiful green. A low hum filled the room as the heavy air scrubbers outside groaned back to life, pushing a wave of fresh, cool oxygen through the vents.
Silas collapsed against the server rack, clutching the warm Dell power brick to his chest like a trophy.
This guide is intended for electronics hobbyists, repair technicians, and PC builders who wish to repurpose this specific power supply or troubleshoot it outside of a Dell OptiPlex chassis.
The Dell D220P-01 power supply is a reliable unit, but like any PSU, its performance and compatibility depend on correct usage and matching with system components. Always cross-reference the pinout and specifications with the requirements of your devices to ensure a safe and stable operation. If you're unsure, consulting the manufacturer's documentation or support resources is recommended.
Dell D220P-01 (DA-2 series) power supply uses a proprietary 8-pin connector to deliver 220W (or 216W) at 12V and 18A. This power supply is commonly used for Dell Optiplex Ultra Small Form Factor (USFF) desktops and is a popular choice for powering DIY external graphics card (eGPU) setups due to its high amperage. Pinout Configuration
Looking at the female receptacle with the clip fastener on the bottom, the pin assignments are generally as follows: Pin Number Assignment Common Wire Color Reserved / cap V sub 0 positive 12 cap V cap V sub 0 positive 12 cap V cap V sub 0 positive 12 cap V cap V sub 0 Remote (Signal) Scribd Wiring Spec Key Features Remote Power On:
To activate the power supply, Pin 5 (Remote/Signal) must be shorted to a Ground pin (Pins 6, 7, or 8). Mechanical Compatibility Warning:
The 8-pin connector is mechanically similar to an 8-pin EPS12V connector but is not electrically compatible
. Plugging it directly into a standard motherboard can cause permanent damage. Safety Protections:
Includes built-in safeguards such as Over-Voltage Protection (OVP), Over-Current Protection (OCP), Short-Circuit Protection (SCP), and Over-Temperature Protection (OTP). Status Indicator:
Features a LED light that typically turns from orange (standby) to green when the remote signal is successfully shorted and power is active. Are you planning to use this power supply for a standard Dell desktop custom eGPU project Dell D220P-01 Power Supply Pinout Guide | PDF - Scribd
The Dell D220P-01 (often referred to as the DA-2 series) is a popular 220W power supply brick originally designed for ultra-small form factor (USFF) Dell Optiplex systems like the Optiplex 745, 755, and SX280. Because it provides a substantial 12V at 18A in a compact, fanless package, it is widely used by hobbyists for eGPU setups, LED strips, and bench power supplies. Dell D220P-01 8-Pin Connector Pinout
The D220P-01 uses a proprietary 8-pin connector that is mechanically similar to an 8-pin EPS12V motherboard connector but uses a completely different electrical layout.
Important: Never plug this directly into a standard motherboard 8-pin header without modification, as it will likely cause a short circuit or permanent damage. Connector Pin Mapping (Female Receptacle View)
When looking at the female receptacle (on the device side) with the clip/fastener at the bottom, the pins are typically numbered and assigned as follows: Pin Number Description Typical Wire Color 1 +12V 12V DC Output (Rail 1) White / Red 2 +12V 12V DC Output (Rail 2) 3 +12V 12V DC Output (Rail 3) 4 Reserved Logic/Sense (Not usually used) Red / Black 5 Remote (PS_ON) Connect to Ground to Turn On 6 GND Ground / Negative (-) 7 GND Ground / Negative (-) 8 GND Ground / Negative (-) Source: Scribd Wiring Spec, Pinouts.ru. How to Power On the Unit
Unlike standard ATX power supplies that use a green wire for "Power On," the D220P-01 requires a specific signal connection to activate its 12V rails.
Identify the Signal Pin: In many variants, Pin 5 (Remote/Blue) must be shorted to any of the Ground pins (6, 7, or 8) to switch the unit from standby to active mode.
LED Indicator: When the power supply is plugged in but not "on," the LED on the brick is typically Orange (Standby). Once Pin 5 and Pin 6 are shorted, the LED should turn Green, indicating that 12V is now present on Pins 1, 2, and 3.
Alternative Wiring: Some users report that twisting the blue wire with a black ground wire is the simplest way to enable output for DIY projects. Technical Specifications Dell D220P 01 Power Supply Wiring
(also known as the series) power supply uses an 8-pin connector that delivers 12V at 18A. This connector is physically similar to a standard 8-pin PCIe power plug but is wired differently and is not directly compatible with standard PC components. Pinout Configuration Specifications
The 8 pins are typically arranged in two rows of four. Looking at the connector (clip side up), the standard wiring specification is as follows: Description Used for signaling; short to ground to power on Ground (-) Common ground Ground (-) Common ground Ground (-) Common ground Remote Ground (-) Signal ground Main power output Main power output Main power output Key Modification Notes Switching It On: The power supply remains in "standby" mode until Pin 1 (Remote) is connected to a ground pin (such as Pin 4 or 5). Safety Warning:
plug this directly into a standard 8-pin PCIe slot on a graphics card. The physical keying may be similar, but the pin positions for 12V and Ground are often
compared to the standard PCIe spec, which can cause immediate hardware damage. Common Uses: This power supply is popular for eGPU setups
or powering RC battery chargers due to its high amperage and reliable 12V output.
Dell D220P-01 Power Supply Pinout Guide | Electrical Connector
The Dell D220P-01 (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
The connector is a proprietary 8-pin DIN-style plug. While it is mechanically similar to an 8-pin EPS12V connector, it is not electrically compatible; plugging it directly into a standard motherboard will cause permanent damage. Wire Color Signal / Description 1 Remote + (Signal) 2 +12V Output 3 Ground (-) 4 +12V Output 5 Remote Ground / Signal 6 +12V Output 7 Ground (-) 8 +12V Output / Signal
Note: Some technical guides indicate that Pin 5 is the "Remote" pin and must be shorted to Ground to turn the unit on. Technical Specifications Input: 100–240V AC, 50–60Hz Output: 12V DC at 18A (216W–220W total)
Protection: Includes Over Voltage (OVP), Over Current (OCP), and Short Circuit Protection (SCP). Modification & Usage Tips
Turning it On: To enable the 12V output without a Dell system, you typically need to jumper Pin 5 (Remote) to Ground. Users often report the LED turning from orange (standby) to green (active) once properly shorted.
Wire Identification: If cutting the cable for a custom project, you will typically find three white wires (+12V), three black wires (Ground), a blue wire (Signal), and a red wire.
Compatibility: This unit is the standard replacement for Dell Optiplex models SX280, GX620, 745, 755, and 760.
For detailed wiring diagrams and professional insights, you can review the Dell D220P-01 Power Supply Pinout Guide or general Power Supply Pinouts on Scribd. Community discussions on platforms like Reddit often focus on using this charger with ADT-Link UT3G eGPU setups.
Are you planning to use this for an eGPU setup or a custom 12V project? Dell D220P 01 Power Supply Wiring
The Dell D220P-01 (also known as the DA-2 series) is a 220W, 12V/18A power adapter originally designed for Dell Optiplex Ultra Small Form Factor (USFF) systems. It uses a proprietary 8-pin connector rather than a standard EPS or ATX layout. Pinout Configuration (8-Pin Proprietary)
Looking at the female receptacle (front view), the pinout is generally reported as follows: Wire Color 1 Remote / PS-ON (Must be shorted to Ground to turn on) 2 Ground (GND) 3 Ground (GND) 4 Ground (GND) 5
Remote Ground / Sense (often connected to Pin 1 for startup) 6 +12V DC Output 7 +12V DC Output 8 +12V DC Output Key Modification Notes
Activation: To enable the 12V output, you must short the Remote wire (Pin 1, Red) to Ground (Pin 2, 3, or 4) or the Remote Ground (Pin 5, Blue). Without this bridge, the unit stays in standby mode and will not output power.
Current Sharing: 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.
Polarity Check: Some user reports suggest certain versions may have flipped diagrams relative to the nameplate; always verify with a multimeter before connecting to sensitive electronics.
For further technical specifications, you can refer to detailed guides on Scribd or community discussions on eGPU.io for modification tips. Dell D220P 01 Power Supply Wiring
A: In Dell service manuals and forum discussions, "Pinout 1" usually refers to the main 20-pin power connector. "Pinout 2" unambiguously refers to the secondary 6-pin control connector covered in Section 2 of this article.
Unlike standard ATX power supplies that route every necessary signal through a single 20- or 24-pin motherboard connector, Dell used a split design in many Optiplex models:
Why "Pinout 2"? Many users searching for "pinout 2" are specifically looking for the second connector’s pin assignment. The main 20-pin is well-documented, but the smaller connector varies between Dell models. For the D220P-01, the secondary connector is a 6-pin Molex 22-01-2065 (or compatible) with a specific keying that prevents plugging into standard 4-pin floppy or fan headers.
