Oem Hard Drive Cable 821-0791-A for Apple MacBook Pro 17-inch Unibody A1297 Early 2009–Mid 2010

Product Description

The Hard Drive Cable 821-0791-A is a replacement internal storage cable for compatible Apple MacBook Pro 17-inch Unibody A1297 models. It connects the compatible hard drive or supported storage drive to the laptop’s internal interface.

This cable may be suitable for repairs involving a damaged cable, intermittent drive detection, or storage connection problems. Before ordering, compare the original cable’s part number, connector layout, cable length, and mounting points.

Compatible Models

• Apple MacBook Pro 17-inch A1297 Early 2009
• Apple MacBook Pro 17-inch A1297 Mid 2009
• Apple MacBook Pro 17-inch A1297 Mid 2010, subject to exact cable revision verification

Compatible Part Numbers

• 821-0791-A

Product Details

• Product Type: Hard Drive Cable
• Brand Compatibility: Apple
• Compatible Device: MacBook Pro Unibody 17-inch
• Model Number: A1297
• Listed Model Range: Early 2009–Mid 2010
• Part Number: 821-0791-A
• Function: Connects the compatible internal storage drive
• Installation: Professional installation recommended

Warranty Details

1 Month Replacement Warranty

Important Note

• Verify the original cable marking is 821-0791-A before ordering.
• Cable revisions may differ between production years. Compare the connector, length, and mounting arrangement with your original cable.
• A faulty hard drive cable can cause intermittent drive detection, slow operation, or startup problems, but the drive itself or logic board may also be responsible.
• Handle the cable and connectors carefully during installation.

Frequently Asked Questions

1. What is hard drive cable 821-0791-A used for?
It connects a compatible internal storage drive to the MacBook Pro’s internal interface.

2. Which MacBook Pro models are listed as compatible?
It is listed for the 17-inch Unibody A1297 Early 2009–Mid 2010 models. Verify the exact cable revision before purchase.

3. Can a faulty hard drive cable prevent the laptop from detecting its drive?
Yes. A damaged or poorly connected cable can cause storage detection problems, although other hardware faults may also be responsible.

4. Can I use this cable with an SSD?
Compatibility depends on the SSD interface and the cable configuration. Verify the drive connection before ordering.

5. Is professional installation recommended?
Yes. Careful installation helps prevent damage to the cable, connectors, and internal components.