Brand: Delta Electronics · SKU: DPS-300AB · MPN: DPS-300AB · Category: Components

Delta DPS-300AB is a 300W power supply series designed for compatible computing and server applications, providing dependable power delivery for supported hardware configurations.
| Application | Computing, Server, Industrial Equipment |
|---|---|
| Form Factor | Varies (ATX or SFX style) |
| Installation | Internal |
| Compatibility | System and Variant Dependent |
| Input Voltage | Varies (e.g., 110/220V / 47~63HZ or 100-240V) |
| Maximum Power Output | 300 Watts (or up to 420W max for some replacement units) |
| Compliance/Approvals (Example) | CB, CE, FCC, TUV, UL 1950 (For replacement units) |
| Output Rails (Example DPS-300AB-81B) | -53V DC (POE feed), +12V DC, +5V DC |
| Output Rails (Example DPS-300AB-15A/Replacement) | +5V, -5V, +12V1, +12V2, +3.3V, -12V, +5V-SB |
| Warranty | 3-Year Warranty |
| Weight | Varies by specific model (e.g., 3.00 LBS for DPS-300AB-81-D) |
| Dimensions | Varies by specific model (e.g., SFX: 126mm W x 135mm D x 63mm H; ATX replacements sometimes cited as 5.86" x 3.3" x 4" or 150mm x 85mm x 140mm) |
The Delta DPS-300AB Power Supply, part number DPS-300AB, is a 300W-class power supply designed for compatible computing, server, and industrial equipment. Manufactured by Delta Electronics, the DPS-300AB series provides a reliable power solution for systems requiring a compact, dedicated power module. With an output capacity of approximately 300 watts, the DPS-300AB is designed to supply the electrical power required by compatible system components such as processors, memory, storage devices, cooling systems, and expansion hardware. The exact output rail configuration depends on the specific DPS-300AB variant. The DPS-300AB designation covers multiple Delta power supply variants, and specifications can differ between individual model revisions. For this reason, users replacing an existing unit should carefully compare the complete model number, output ratings, connector configuration, input requirements, and physical dimensions printed on the original PSU label. The DPS-300AB series is associated with compact power supply designs intended for systems where space efficiency and reliable power delivery are important. Its form factor can make it suitable for specialized computing 
Yes, this Delta DPS-300AB 300W Power Supply Unit PSU (DPS-300AB) is 100% genuine Delta Electronics hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Delta DPS-300AB 300W Power Supply Unit PSU includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the DPS-300AB.