Description
Dell 255W Power Supply T164M | OptiPlex 755 / 760 / 780 / 960 / 980 DT (24 + 4 Pin + SATA x2 + FDD x1)
Key Features
- New original Dell 255W power supply for OptiPlex 755 / 760 / 780 / 960 / 980 Desktop Tower (DT)
- Dell part numbers: T164M / 0T164M
- PSU model numbers: H255P-00 / L255P-01 / F255E-00 / AC255AD-00
- Dimensions: 135 x 100 x 124 mm – Dell DT (Desktop Tower) form factor
- Connector layout: 24-Pin + 4-Pin CPU + SATA x2 + FDD x1
- 255W for Penryn / Nehalem OptiPlex DT desktop platform
- Built-in OVP / OCP / SCP protection
- DT form factor – different from same-generation SFF version (PW116)
Technical Specifications
| Brand | Dell |
| Condition | New Original (Genuine Dell) |
| Dell PN | T164M / 0T164M |
| PSU Model | H255P-00 / L255P-01 / F255E-00 / AC255AD-00 |
| Wattage | 255W MAX |
| Input Voltage | 100-240V AC, 50-60Hz, 4.5A |
| Output | 255W MAX continuous output |
| Form Factor | Dell DT / Desktop Tower (135 x 100 x 124 mm) |
| Connector Type | 24-Pin + 4-Pin CPU + SATA x2 + FDD x1 |
| Hot Plug | No |
| Protection | OVP / OCP / SCP |
Compatible Models
Dell OptiPlex Series (DT):
- Dell OptiPlex 755 DT
- Dell OptiPlex 760 DT
- Dell OptiPlex 780 DT
- Dell OptiPlex 960 DT
- Dell OptiPlex 980 DT
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Disclaimer
Always verify the part number / model number on your existing PSU label before purchasing.
If you are unsure which model is suitable, chat with the NJ Bravo team before ordering. We will help you check the part number, connector, and compatibility.
Package Contents
- 1x Dell 255W Power Supply T164M (New Original)
Warranty
- 90-day replacement warranty
- Covers manufacturing defects; physical damage and improper installation not included
Additional Notes
- DT (Desktop Tower) form factor – 135 x 100 x 124 mm. Physically different from same-generation SFF version.
- Includes FDD connector – useful for legacy floppy drive connections.
- Verify Dell DP/N on existing PSU label matches T164M before ordering.
- New original unit – genuine factory Dell unit, not refurbished or aftermarket.
