Overview
The Dell H305P-02 305W power supply is a standard ATX form-factor PSU engineered for Dell desktop systems spanning the OptiPlex 360, 580, 760, 780, and 960 series, as well as Dimension E-series workstations. Also identified by part numbers D305A002L and MK9GY, this unit delivers consistent 305W output with universal AC input (100–240V) compatibility, making it suitable for global deployment in office and light computing environments.
Key Features
- 305W continuous output with universal AC input (100–240V, 47–63 Hz)
- ATX12V and EPS12V compliant with dual +12V rails for stability
- 24-pin ATX motherboard connector + 4-pin +12V auxiliary power
- Four SATA and one floppy drive (FDD) connector for broad peripheral support
- Compact 150mm × 98mm × 140mm form factor for standard mini-tower enclosures
Technical Specifications
- Output Power: 305W DC
- Input Voltage: 100–240V AC, 47–63 Hz
- Main Connector: 24-pin ATX (P1)
- Auxiliary Power: 4-pin +12V ATX (P2)
- SATA Connectors: 4× Serial ATA (P3, P5, P8, P9)
- Floppy Connector: 1× FDD (P7)
- DC Rails: +5V (22A) | +3.3V (17A) | +12VA (18A) | +12VB (18A) | +5VFP (4A) | -12V (1A)
- Dimensions: 150mm (L) × 98mm (W) × 140mm (H)
- Form Factor: Internal ATX
Typical Applications
The H305P-02 suits office desktops, light-duty workstations, and general-purpose computing in environments requiring proven Dell compatibility. Its moderate 305W budget addresses CPU + GPU systems with modest thermal demands—not suitable for high-end gaming or professional graphics workloads.
Compatibility & Replacements
Compatible With
- Dell OptiPlex 360 (Mini Tower)
- Dell OptiPlex 580 (Mini Tower)
- Dell OptiPlex 760 (Mini Tower)
- Dell OptiPlex 780 (Mini Tower)
- Dell OptiPlex 960 (Mini Tower)
- Dell Dimension E310, E510, E520, E521
- Dell Dimension 3100, 5100, 5150 (via H305P-00 variant)
Replaces / Drop-In Replacement For
Direct replacements include Dell part numbers: FY632, C248C, XK215, MH495, HK595, NH493, T553C, PH333, HP201, CY827, F305P, JH994, M360M, PW114, WU133, XK376, PF3TR, P192M, R480P. The H305P-02 is functionally equivalent to the H305P-00 variant for older Dimension and GX-series systems, though connector layout differs slightly.
Works With
- ATX12V and EPS12V power delivery standards
- Standard 24-pin ATX motherboards (Intel/AMD socket-based)
- Conventional SATA and IDE storage devices
- Floppy drive controllers (legacy support)
