HDD SSD SATA Hard Drive Disk Connector Cable for MacBook Pro 13 Inch A1278 Mid 2012 MD101 MD102 P/N 821-2049-A 821-2480-A

Product Description

The MacBook Pro A1278 HDD SSD SATA Hard Drive Cable is a replacement internal SATA flex cable designed for the 13-inch MacBook Pro A1278 Mid 2012. It provides the connection between the internal 2.5-inch SATA HDD or SSD and the MacBook’s logic board. Compatible listings identify 821-2049-A and 821-2480-A as part numbers associated with this revised cable.

This replacement HDD SSD SATA Cable is suitable for replacing a damaged, worn, or faulty hard-drive cable that can cause drive detection problems, intermittent storage connection, slow operation, or startup errors. The Mid 2012 A1278 cable assembly can also carry connections for the front IR sensor and sleep indicator light.

Compatible Models

• Apple MacBook Pro 13-inch A1278 Mid 2012
• MacBookPro9,2
• MD101
• MD102
• EMC 2554

Compatible Part Numbers

• 821-2049-A
• 821-2480-A
• 923-0104
• 923-0741
• 923-00975

The 821-2049-A and later 821-2480-A versions are documented as revised cable versions for the Mid 2012 A1278.

Product Details

• Product Type: HDD / SSD SATA Hard Drive Cable
• Compatible Model: MacBook Pro A1278
• Screen Size: 13-inch
• Generation: Mid 2012
• Model Identifier: MacBookPro9,2
• Device Models: MD101 / MD102
• Connection: 2.5-inch SATA drive to logic board
• Main P/N: 821-2049-A
• Related P/N: 821-2480-A
• Condition: New Replacement Part

The cable is compatible with both HDD and SSD storage installations in the supported A1278 configuration.

Warranty Details

Warranty: 1 Month Warranty
Warranty Service Type: Replacement Warranty
Warranty Type: Seller Warranty

Important Note:-

• Please verify your MacBook’s exact model A1278 Mid 2012 before ordering.
• Confirm MD101 or MD102 / MacBookPro9,2 compatibility.
• Verify the original cable marking, especially 821-2049-A or 821-2480-A, before replacement.
• This cable is intended for the Mid 2012 A1278; do not assume it fits earlier A1278 generations. One supplier specifically notes that its 821-2049-A version is for the Mid 2012 A1278 only.
• The cable supports connection of a 2.5-inch SATA HDD or SSD to the logic board.
• The standard cable assembly may also include connections for the IR sensor and sleep indicator light.
• HDD mounting brackets are not included unless specifically mentioned. Some versions are sold with the bracket separately or as a combined assembly.
• Professional installation is recommended to avoid damaging the delicate flex cable or its connectors.
• Payment will be refunded if the product is out of stock.
• Immediate replacement will be provided if the product has a functionality problem covered under warranty.
• Warranty is void in case of physical damage, incorrect installation, modification, liquid damage, or installation-related damage.
• Product images are for reference. Actual cable markings, adhesive placement, or minor appearance may vary.

FAQs

1. Which MacBook Pro is compatible with this HDD SATA cable?

This cable is designed for the 13-inch MacBook Pro A1278 Mid 2012, including MD101 and MD102 / MacBookPro9,2 models.

2. What are the part numbers for this hard drive cable?

The main compatible markings are 821-2049-A and 821-2480-A. Related Apple part numbers include 923-0104 and 923-0741.

3. Can this cable be used with an SSD?

Yes. The cable connects a 2.5-inch SATA HDD or SSD to the MacBook Pro logic board.

4. What problems can a faulty HDD cable cause?

A damaged cable can cause drive detection problems, intermittent storage connection, slow operation, or startup errors, including a flashing folder/question-mark symptom in some cases.

5. Does the cable include the HDD bracket?

Not necessarily. The standard cable may be sold separately from the HDD bracket. Check the exact product images and supplied components before ordering.