B grade refers to units that may have dents, chips, or scuffs on the body. Hairline scratches or scuffs may be on the screen.
Model Name: iMac (Retina 5K, 27-inch, 2019)
: Retina 5K display
Display Inch: 27-inch (diagonal) Retina 5K display
Resolution: 5120by2880 resolution with support for one billion colors | 500 nits brightness | Wide color (P3)
Processor Options: 3.0GH z 6core Intel Core i5 (Turbo Boost up to 4.1GH z)
: 3.1GH z 6core Intel Core i5 (Turbo Boost up to 4.3GH z)
: 3.7GH z 6core Intel Core i5 (Turbo Boost up to 4.6GH z)
: 3.6GH z 8-core Intel Core i9 (Turbo Boost up to 5.0GH z)
Graphics Card Options: ( 3.0GH z) Radeon Pro 570X with 4GB of GDDR5 memory
: ( 3.1GH z) Radeon Pro 575X with 4GB of GDDR5 memory
: ( 3.7GH z) Radeon Pro 580X with 8GB of GDDR5 memory
: *Configurable to Radeon Pro Vega 48 with 8GB of HBM2 memory
RAM: 8GB RAM | 16GB RAM | 32GB RAM | 40GB RAM | 64GB RAM
Storage: 256GB SSD | 512GB SSD | 1TB SSD | 1TB Fusion Drive | 2TB Fusion Drive | 3TB Fusion Drive
Camera: FaceTime HD camera
Video Support: Simultaneously supports full native resolution on the built-in display at 1 billion colors and (One 5120by2880 (5K) external display at 60Hz with support for 1 billion colors, or Two 3840-by-2160 (4K UHD) external displays at 60Hz with support for 1 billion colors, or Two 4096by2304 (4K) external displays at 60Hz with support for millions of colors) | Thunderbolt 3 digital video output | Native DisplayPort output over USBC | Thunderbolt 2, HDMI, DVI, and VGA output supported using adapters (sold separately)
Audio: Stereo speakers | Microphone | 3.5 mm headphone jack (Support for Apple iPhone headset with microphone)
Connections and Expansion: 3.5 mm headphone jack | SDXC card slot | Four USB 3 ports (compatible with USB 2) | Two Thunderbolt 3 (USB-C) ports with support for: - (DisplayPort | Thunderbolt (up to 40Gb/s) | USB 3.1 Gen 2 (up to 10Gb/s) | Thunderbolt 2, HDMI, DVI, and VGA supported using adapters (sold separately) ) | 10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector) | Kensington lock slot
Wi-Fi: 802.11 ac Wi-Fi wireless networking | IEEE 802.11 a/b/g/n compatible
Bluetooth: Bluetooth 4.2 wireless technology
OS: macOS
Built-in Apps:
Dimensions: Height 20.3 inches ( 51.6 cm) x Width 25.6 inches ( 65.0 cm) x Stand depth 8 inches ( 20.3 cm)
Weight: 20.8 pounds ( 9.42 kg)