Yes, the 2015 MacBook Air supports 4K displays at 60Hz | Ars Technica
Apple MacBook Pro with Retina Display 13-inch Laptop (Intel i5 2.7 GHz, 8 GB RAM, 256 GB SSD, Intel HD, OS X Yosemite) - Silver - 2015 - MF840B/A (Renewed) : Amazon.co.uk: Computers & Accessories
Mac Setup: 4K Mac Pro Workstation of a Director | OSXDaily
Macbook Pro Mid 2015 4K monitor compatibility | MacRumors Forums
2015 13-inch MacBook Pro With Retina Display Review | TechCrunch
Finally 3440*1440(60Hz) external display is perfect working on my rMB through HDMI | MacRumors Forums
Review: Using LG's UltraFine 4K Display with Apple's USB-C MacBooks is as simple as can be | AppleInsider
New 13-inch MacBook Pro Review! (2015) - YouTube
Review: LG's USB-C-enabled 4K Monitor lends single cable simplicity to 12" MacBook owners, but not without some compromises - 9to5Mac
How To Connect a 4K Monitor to a 2012 Retina MacBook Pro - Stephen Foskett, Pack Rat
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MacBook Pro 15" with Retina Display Running 3 External Displays
Yes, the 2015 MacBook Air supports 4K displays at 60Hz | Ars Technica
15" Retina MacBook Pro (mid-2015) Review - Laptop Reviews by MobileTechReview
Apple's early 2015 MacBook Air confirmed to support 60Hz 4K external displays | AppleInsider
MacBook Pro with Retina display review (13-inch, 2015) | Engadget
Identify your iMac model - Apple Support
New model, two-year-old processor: The 2015 15-inch Retina MacBook Pro reviewed | Ars Technica
MacBook (Early 2015) by Apple and 27" Class Ultra HD IPS 4K Monitor by LG Compatibility - GTrusted
2015 13-inch MacBook Pro Review | Trusted Reviews
Apple iMac 21.5 Inc. 4K Retina Quad Core i5-5675R 8GB 1TB Iris Pro 6200 WiFi Bluetooth Camera macOS Catalina (Late 2015) (Renewed) : Amazon.co.uk: Computers & Accessories
Apple MacBook Pro (2021) review: The customer is always right
MacBook (12-inch, 2015) Review | Trusted Reviews
