Classic design meets modern capability
The 2017 21.5-inch iMac (model A1418) features a full HD LED-backlit display with IPS technology, dual-core Intel Core i5 “Kaby Lake” processor (2.3 GHz base, Turbo Boost up to 3.6 GHz), 8 GB of fast 2133 MHz DDR4 memory, and a 512 GB PCIe SSD for quick system responsiveness . Graphics are handled by Intel Iris Plus Graphics 640, which, along with support for Thunderbolt 3 and multiple external displays, delivers a capable visual setup . This unit includes built-in FaceTime HD camera, stereo speakers, robust connectivity—Wi‑Fi 5, Bluetooth 4.2, gigabit Ethernet, four USB‑A 3.0 ports, two Thunderbolt 3 ports, and an SDXC card slot—while retaining the timeless unibody aluminum design . It remains suited for general computing, media editing, and multi-display setups, though users commonly upgrade the storage to an SSD for better performance.
Key Features
Stunning 4K Retina Display
The iMac sports a 21.5″ Retina 4K LED-backlit IPS display with a sharp 4096 × 2304 resolution. It supports the wider P3 color gamut, delivering vivid, lifelike images—ideal for photo editing, video viewing, or creative work.
Powerful 7th‑Gen Intel Core i5 CPU
Equipped with a quad-core 3.0 GHz Intel Core i5 (Turbo Boost up to 3.5 GHz), this iMac handles daily tasks, multitasking, and light editing with ease. For those needing more power, it even supports macOS upgrades up to Ventura, ensuring ongoing compatibility and performance.
Dedicated Radeon Pro 555 Graphics
With the AMD Radeon Pro 555 GPU sporting 2 GB of dedicated VRAM, this machine offers smooth graphics performance. It supports single 5K or dual 4K external displays, making it suitable for creative workflows and enhanced visual productivity .
Fast & Flexible I/O
The system includes two Thunderbolt 3 (USB-C) ports, four USB 3.0 ports, a Gigabit Ethernet port, an SDXC card slot, and a 3.5 mm headphone jack. This rich mix of connectivity options provides flexibility for peripherals and high-speed data workflows.
Upgradable Memory & Built-in macOS Tools
Shipped with 8 GB of 2133 MHz DDR4 memory (upgradeable to 32 GB) and a configurable Fusion Drive or SSD, this iMac offers solid performance and future-proofing. It also features integrated Wi‑Fi ac, Bluetooth 4.2, a FaceTime HD camera, and stereo speakers—providing a full-featured all-in-one computing experience .
What’s in the Box
- Apple iMac 21.5″ (2017, A1418)
- Power cable
- Apple Magic Mouse
- Apple Magic Keyboard
FAQs
Does it support Target Display Mode?
No, the Retina 4K 2017 model does not support Target Display Mode. Though older non-Retina iMacs (pre-2014) could work as external monitors, this model no longer offers that feature
What external monitors can I connect?
Thanks to its two Thunderbolt 3 (USB‑C) ports, this iMac can drive up to one 5K display at 60 Hz, two 4K UHD displays at 60 Hz, or two 4K displays at 60 Hz—all while supporting full color depth and refresh rate
What’s the latest macOS it can run?
The latest macOS version compatible with the 2017 iMac is macOS Ventura.
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