This 300W internal ATX power supply is designed for select Inspiron, Vostro, OptiPlex, Studio, and Precision Mini Tower systems. It features a standard 24-pin ATX motherboard connector, 4-pin processor power connector, and four SATA power connectors. This Genuine OEM power supply is Grade A, professionally cleaned, and fully tested for proper operation.
Part Type: Internal Desktop Power Supply
Maximum Output Power: 300W
Form Factor: Standard ATX / PS2
Dimensions: 150mm × 86mm × 140mm
Cooling: Integrated Cooling Fan
AC Input: 100–127V AC, 8A
High-Range AC Input: 200–240V AC, 4.5A
Input Frequency: 50/60Hz
AC Power Receptacle: IEC C14
Required AC Power Cord: NEMA 5-15P to IEC C13
Condition: Grade A
Testing Status: Cleaned and Fully Tested
Warranty: CPU Medics 30-Day Limited Warranty
+12VA: 17A
+12VB: 9A
+3.3V: 10A
+5V: 13A
-12V: 0.3A
+5Vaux: 2.0A
(1) 24-Pin ATX Motherboard Connector: Approximately 11"
(1) 4-Pin 12V Processor Connector: Approximately 6.5"
(2) SATA Power Connectors: Approximately 6" and 9" on the same cable
(2) SATA Power Connectors: Approximately 18" and 19.5" on the same cable
0VWX8, 5DDV0, 5W52M, 6R89K, 949H1, 9V75C, ATX0300D5WB, B300NM-00, B300NM-01, C411H, CD4GP, D300EM-01, D300ND-00, D300PD-00, D300R001L, D300R002L, DE-XD301MGR, DG1R8, DPS-300AB-24, DPS-300AB-24A, DPS-300AB-36, DPS-300AB-47, DPS-300AB-65A, DPS-300AB-87 A, F77N6, FFR0Y, G9MTY, GH5P9, H056N, H057N, H300NM-00, HK400-17FPS1, HP-P3017F3, HP-P3017F3P, HT996, J036N, K43JV, K67CY, K932C, KF76H, L3000NM-00, L300NM-00, L300NM-01
This power supply requires a standard NEMA 5-15P to IEC C13 AC power cord. The AC power cord is not included with this listing and is available separately:
5120P / 05120P – 6FT 125V 5-15P to C13 AC Power Cord
Compatibility is limited to the Mini Tower / MT versions listed below. This power supply is not designed for Desktop, Small Form Factor, Slim Tower, or Ultra Small Form Factor versions.
✔️ Inspiron Mini Tower: 518 MT, 519 MT, 530 MT, 531 MT, 537 MT, 540 MT, 541 MT, 545 MT, 546 MT, 560 MT, 570 MT, 580 MT, 620 MT, 660 MT, 3847 MT
✔️ Vostro Mini Tower: 200 MT, 201 MT, 220 MT, 230 MT, 260 MT, 270 MT, 400 MT, 410 MT, 420 MT, 430 MT
✔️ OptiPlex Mini Tower: 390 MT, 790 MT, 990 MT, 3010 MT, 7010 MT, 9010 MT
✔️ Studio Mini Tower: Studio 540 MT, Studio 545 MT
✔️ Precision Mini Tower: Precision T1500
☑️ Genuine OEM power supply
☑️ Standard 300W ATX design
☑️ Universal 100–240V AC input support
☑️ Standard 24-pin ATX motherboard power connector
☑️ Dedicated 4-pin 12V processor power connector
☑️ Four SATA power connectors for compatible drives
☑️ Grade A, professionally cleaned, and fully tested
☑️ Includes CPU Medics 30-Day Limited Warranty
✓ Verify the original power supply’s part number before ordering whenever possible.
✓ The replacement power supply must match the original unit’s 150mm × 86mm × 140mm dimensions, mounting pattern, and rear AC receptacle position.
✓ The system must use a standard 24-pin ATX motherboard connector and 4-pin 12V processor connector.
✓ Connector type, connector count, cable length, mounting pattern, and physical dimensions should all be verified before installation.
✓ Compatibility applies only to the Mini Tower / MT versions listed above. Smaller chassis versions use physically different power supplies.
✓ Some compatible systems originally shipped with lower-wattage power supplies that share the same dimensions, mounting pattern, and connector configuration. This 300W unit may be used as a compatible replacement when all physical and electrical requirements match.
✓ This listing includes the power supply only. The C13 AC power cord and all other accessories are sold separately.
