Was this too much to ask for? MacBook Pro 2012 - ∞ : r/macbookpro
SanDisk pleasantly surprised by inclusion of SD card slots on MacBook Pros | Edible Apple
BASEQI For Macbook Pro Retina15'' Model Mid 2012 / Early 2013 Aluminum MiniDrive Micro SD Card Adapter Card Reader 503A - AliExpress
MacBook Pro (Retina, 15-inch, Mid 2012) - Technical Specifications
Original A1398 Usb Board Mid 2012 Early 2013 Emc 2512 820-3071-a I/o Usb Hdmi Sd Card Reader Board For Macbook Pro Retina 15" - Pc Hardware Cables & Adapters - AliExpress
Best Retina MacBook Pro SD Card Storage: EveryMac.com
SD card for MacBook Pro: New flush 1TB version by Transcend - 9to5Mac
Original Laptop A1398 I/O USB HDMI SD Card Reader BOARD for MacBook Pro Retina 15" A1398 Usb Board 2012 2013 2014 2015 Year - AliExpress
MacBook Pro flush SD card: Transcend JetDrive review
BaseQi 503A for MacBook Pro Retina 15inch Year2012-Early2013 Seamless Micro SD Card Adapter Aluminum Mac Pro Mini Drive - AliExpress
BASEQI For Macbook Pro Retina15'' Model Mid 2012 / Early 2013 Aluminum MiniDrive Micro SD Card Adapter Card Reader 503A - AliExpress
Apple MacBook Pro (15-inch, 2013) review: Apple's high-end laptop gets better battery life and a lower price - CNET
Solved] iMac/MacBook won't read SD card, how to fix it?
JetDrive Lite 360 | Expansion Cards for Mac - Transcend Information, Inc.
HyperDrive: The Best microSD Adapter for MacBook | Indiegogo
For Macbook Pro Retina 15'' Model Mid 2012/Early 2013 Card Reader Baseqi 503A Mini Card Drive Adapter - AliExpress
HyperDrive: The Best microSD Adapter for MacBook | Indiegogo
2012 MacBook Pro 17” with GT 650M / USB 3.0/SDCard : r/mac
512GB SSD Flash Pcie MacBook Pro Retina A1425 and A1398 Mid 2012 Early 2013 | eBay
These JetDrive Lite 330 SD cards give your new Apple M1 MacBook Pro models 'hidden' storage: Digital Photography Review
SD-card problem read-only in Mac Macbook Pro card reader - fixed