Running out of PCI-Express power connectors while upgrading your graphics card can force an expensive PSU swap. The StarTech.com SATPCIEX8ADP 8-pin PCI-E to 15-pin SATA 5.91" Power Cord solves this by turning two SATA power plugs into a single 8-pin PCI-E connector, letting you power modern video cards without changing your supply.
Usages of a 5.91" Power Cable
This cable is ideal for desktop builds where the existing power supply offers SATA connectors but lacks the required PCI-E plug for a new GPU. Simply attach the two SATA plugs to the PSU and the 8-pin end to the graphics card, and you can run high-performance games or rendering tasks without additional hardware.
Benefits of StarTech.com Power Cable
- Cost saving: Avoids buying a new power supply, keeping your upgrade budget low.
- Compatibility: Works with any PSU that provides standard 15-pin SATA power.
- Space efficient: Compact 5.91" length fits tight cases without clutter.
- Reliability: Built from high-quality materials for stable power delivery.
- Lifetime warranty: Backed by StarTech.com’s unlimited guarantee for peace of mind.
StarTech.com Power Cable Choice
Choosing this adapter means you get a purpose-built solution that bridges the gap between SATA and PCI-E power standards. It eliminates the need for a costly PSU upgrade, letting you focus on performance rather than compatibility issues. The cable’s sturdy construction and precise connectors ensure a secure fit, reducing the risk of loose connections that could cause system instability.
In addition, the StarTech.com brand brings a reputation for durability and support. With a lifetime warranty, you can trust that the cable will continue to work reliably throughout the life of your system, making it a smart, long-term investment for any PC enthusiast.
Key Features of a 5.91" Power Cable
- Connector type: 8 pin PCI Express power. Provides the correct interface for modern GPUs.
- Connector type: 15 pin Serial ATA power (male). Allows use of existing SATA outputs from the PSU.
- Cable length: 5.91". Short enough to keep cables tidy in cramped builds.
- Cable length: 15 cm. Matches the metric measurement for precise planning.
- Width: 1.18". Thin profile helps fit into narrow spaces behind the motherboard.
- Depth: 5.91". Ensures the cable reaches the GPU without excess slack.
- Height: 0.512". Low profile reduces interference with other components.
- Package width: 5.04". Compact packaging for easy storage and handling.
- Package depth: 0.0276". Minimal depth saves shelf space.
- Package height: 8.66". Fits comfortably in standard shipping boxes.
Specifications
| Cable |
| Cable / Right Connector Gender | Male |
| Cable / Cable Subcategory | Power |
| Cable / I/O Cable Type | Power cable |
| Cable / Right Connector Type | 8 pin PCI Express power |
| Cable / Left Connector Gender | Male |
| Cable / Left Connector Type | 15 pin Serial ATA power |
| Header |
| Header / Product Line | StarTech |
| Header / Packaged Quantity | 1 |
| Dimensions & Weight |
| Dimensions & Weight / Cable Length | 15cm |
| General |
| General / Type | Power cable |
| General / Cable Length | 15 cm |
| Connectivity |
| Connectivity / Connector | 2 x 15 pin Serial ATA power - male |
| Connectivity / Connector (Second End) | 8 pin PCI Express power - male |
| Summary Details |
| Connector 1 | SATA 15-pin |
| Connector 2 | PCI-E (8-pin) |
| Cable length | 5.91" (0.15 m) |
| Width | 1.18" (30 mm) |
| Depth | 5.91" (150 mm) |
| Height | 0.512" (13 mm) |
| Package width | 5.04" (128 mm) |
| Package depth | 0.0276" (0.7 mm) |
| Package height | 8.66" (220 mm) |
