The Apple iMac Retina 5K 27-inch Late 2015 is a personal computer that was designed, manufactured, and sold by Apple from 2015 to 2017 as part of the iMac series. The computer has been introduced on October 13, 2015, and its price started at $1799.
The new iMac features a 3.2 GHz or 3.3 GHz Intel Core i5 or 4.0 GHz Intel Core i7 processor, 8 GB of RAM, 27-inch glossy high-resolution Retina 5K LED-backlit IPS LCD Display, 1 TB hard drive, Ambient Light Sensor, FaceTime HD camera, two Thunderbolt 2 ports USB 3.0 ports, an SDXD card slot, and 2 GB AMD Radeon R9 M380 graphics in the base model. With this iMac was bundled the new Magic Mouse 2 and the new Magic Keyboard instead of the old ones.
This iMac has been discontinued on June 5, 2017.
Today iMac Retina 5K 27-inch Late 2015 is 7 years old!
iMac Retina 5K 27-inch Late 2015 Release Date and Original Price
| Introduced | October 13, 2015 |
| Discontinued | June 5, 2017 |
| Model Identifier | iMac17,1 |
| Model Number | A1419 |
| EMC | 2834 |
| Order Number | MK462LL/A (3.2 GHz / AMD Radeon R9 M380) MK472LL/A (3.2 GHz / AMD Radeon R9 M390) MK482LL/A (3.3 GHz / AMD Radeon R9 M395) |
| Original Price | $1,799 $1,999 $2,299 $2,549 |
| Colors | Aluminum |
| Weight | 21 Ibs. 9.525 KG |
| Dimensions | 20.3” H x 25.6” W x 8” D 51.56 cm H x 65.02 cm W x 20.32 cm D |
Tech Specs
Processor
| Processor | Intel Core i5 6500 “Skylake” (3.2 GHz) Intel Core i5 6600 “Skylake” (3.3 GHz) Intel Core i7 6700K “Skylake” (4.0 GHz) |
| Processor Speed | 3.2 GHz 3.3 GHz 4.0 GHz |
| Maximum Processor Speed | Up to 3.6 GHz (3.2 GHz) Up to 3.9 GHz (3.3 GHz) Up to 4.2 GHz (4.0 GHz) |
| Architecture | 64-bit |
| Number of Cores | 4 |
| System Bus | Intel Direct Media Interface (DMI) 8 GT/s |
| Cache | 6 MB L3 (Core i5) 8 MB L3 (Core i7) |
Storage & Media
| Storage | 1 TB HDD 3 TB HDD 1 TB Fusion Drive 2 TB Fusion Drive 3 TB Fusion Drive 256 GB SSD 512 GB SSD 1 TB SSD |
| Media | None |
Memory
| Built-in Memory | 8 GB |
| Maximum Memory | 32 GB (Apple) 64 GB (Actual) |
| Memory Slots | 4 – PC3L-14900 204-pin DDR3 SO-DIMM 1867 MHz |
| Interleaving Support | Yes |
Display
| Built-in Display | 27″ IPS LED-backlit LCD high-resolution Retina 5K glossy widescreen Display |
| Display Glass | Standard |
| Color Gamut | Wide color gamut P3 |
| Brightness | Unknown |
| Pixel Density | 218 ppi |
| Resolutions | 5120 x 2880 |
Graphics
| Graphics Card | AMD Radeon R9 M380 AMD Radeon R9 M390 AMD Radeon R9 M395 AMD Radeon R9 M395X |
| Graphics Memory | 2 GB GDDR5 (AMD Radeon R9 M380, AMD Radeon R9 M390, AMD Radeon R9 M395) 4 GB GDDR5 (AMD Radeon R9 M395X) |
| Display Connection | 2 – Thunderbolt (Support for up to two Thunderbolt displays) |
| Display Modes | Dual display extended, video mirroring, and AirPlay Mirroring |
| External Resolution | Up to 4096 x 2160 pixels (two displays) Up to 5120 x 2880 pixels (one display) |
| Camera | FaceTime HD |
Expansion
| Expansion Slots | 1 – Secure Digital (SDXC) |
| Hard Drive Interface | 1 – 6 Gbps Serial ATA (SATA) 1 – 8.0 GT/s PCIe x4 |
Connections
| Ethernet | 10/100/1000BASE-T (RJ-45) |
| Modem | None |
| Wi-Fi | 802.11ac |
| Bluetooth | Bluetooth 4.0 |
| USB | 4 – Up to 5 Gbps |
| FireWire | None |
| Thunderbolt | 2 – Thunderbolt 2 (Up to 20 Gbps) |
| Infrared | None |
| Audio In | 1 – 3.5-mm analog/optical combo jack 2 – Microphones |
| Audio Out | 1 – 3.5-mm analog/optical combo jack 2 – Speakers |
| Display | 2 – Thunderbolt (Support for up to two Thunderbolt displays) |
Software
| Original OS | OS X 10.11 |
| Later OS | OS X 10.11.1 |
| Maximum OS | macOS 12.6 |
| Firmware | Intel Extensible Firmware Interface |
| AirDrop | Supported |
| Handoff | Supported |
| Unlock with Apple Watch | Supported with macOS Sierra (Apple Watch (1st generation), Apple Watch Series 1, and Apple Watch Series 2) macOS High Sierra or later (Apple Watch Series 3 or later) |
| Bundled Software | OS X 10.11 iPhoto iMovie GarageBand Pages Numbers Keynote |
Keyboard and Mouse
| Peripherals | Magic Keyboard Magic Mouse 2 or Magic Trackpad 2 |
Power
| Backup Battery | 3 V CR2032 Lithium |
| Maximum Continuous Power | 310 W |
| Line Voltage | 100-240 V AC |
References:
Apple Support – iMac (Retina 5K, 27-inch, Late 2015): Technical Specifications
