How do I find my Apple iMac Service Provider?
| OVERVIEW | |
| Introduced | August 2011 |
| Model Identifier | iMac12,1 |
| Model Number | A1311 |
| EMC | 2496 |
| Order Number | MC978LL/A |
| Support | NiwTech |
| Colors | Silver |
| Weight and Dimensions | 20.5 lbs., 17.75" H x 20.8" W x 7.42" D |
| PROCESSOR | |
| Processor | Intel Core i3 (2100) |
| Processor Speed | 3.1 GHz |
| Maximum Processor Speed | |
| Architecture | 64-bit |
| Number of Cores | 2 |
| Security Chip | No |
| Cache | 3 MB on-chip shared L3 cache |
| System Bus | Intel Direct Media Interface (DMI) at 2.5 GT/s |
| Logic board Repair | NiwTech |
| STORAGE AND MEDIA | |
| Storage | 250 GB (7200-rpm SATA) |
| Storage Upgrade | NiwTech |
| Data Recovery | NiwTech |
| Media | Slot-loading 8x SuperDrive (DVD±R DL/DVD±RW/CD-RW) |
| PERIPHERALS | |
| Peripherals | Apple Keyboard with Numeric Keypad, Apple Mouse |
| Peripherals Repairs | NiwTech |
| SOFTWARE | |
| Original OS | Mac OS X 10.7 (11A511) |
| Maximum OS | macOS 10.13.6 (17G65) |
| OS install | NiwTech |
| OS Upgrade | NiwTech |
| OS Downgrade | NiwTech |
| OS Support | NiwTech |
| AirDrop | Supported |
| Handoff | |
| Power Nap | |
| Unlock with Apple Watch | |
| Hardware Test | AHT 3A215 |
| FIRMWARE | |
| Firmware | Intel Extensible Firmware Interface (EFI) |
| MEMORY | |
| Built-in Memory | None |
| Maximum Memory | 16 GB |
| Memory Slots | 4 - 204-pin PC3-10600 (1333 MHz) DDR3 SO-DIMM |
| Memory Upgrade | NiwTech |
| Memory Upgrade Instructions | How to remove or install memory |
| Interleaving Support | Yes |
| DISPLAY | |
| Built-in Display | 21.5-inch (viewable) LED-backlit glossy widescreen TFT LCD |
| Display Glass | |
| Brightness | |
| Pixel Density | |
| Color Gamut | |
| Resolutions | 1920 by 1080 pixels |
| Display Replacement | NiwTech |
| GRAPHICS | |
| Graphics Card | AMD Radeon HD 6750M |
| Graphics Card Replacement | NiwTech |
| Graphics Memory | 256 MB GDDR5 |
| Display Connection | 1 - Mini DisplayPort |
| Display Modes | Dual display extended, video mirroring, and AirPlay Mirroring |
| External Resolution | Up to 2560 by 1600 pixels |
| CAMERA | |
| Camera | Built-in FaceTime HD |
| CONNECTIONS | |
| Wi-Fi | 802.11n |
| Bluetooth | Bluetooth 4.0 |
| Ethernet | 10/100/1000BASE-T (RJ-45) |
| Modem | None |
| USB | 4 - 480 MBit/s |
| FireWire | 1 - 800 MBit/s |
| Thunderbolt | |
| Display | 1 - Mini DisplayPort |
| Infrared | None |
| Audio In | 1 - 3.5-mm analog/optical combo input jack, Built-in microphone |
| Audio Out | 1 - 3.5-mm analog/optical combo output jack, 2 - internal 17-watt amplifiers, Built-in speakers |
| Security Slot | 1 - Kensington cable lock |
| EXPANSION | |
| Slots | 1 - Secure Digital (SDXC) |
| Bays | None |
| Hard Drive Interface | 2 - 6.0 Gbps Serial ATA (SATA) |
| Optical Drive Interface | 3.0 Gbps Serial ATA (SATA) |
| SENSORS | |
| Liquid Sensor | Non |
| POWER | |
| Line Voltage | 100-240V AC |
| Power Supply Replacement | NiwTech |
| ENVIRONMENTAL | |
| Acoustical Performance | 18 dBA at idle |
| Power Consumption | 80 W (Idle) 101 (CPU Max) |
| ENERGY STAR | Meets ENERGY STAR 5.2 requirements |
| EPEAT | Gold |
| NiwTech | www.niwtech.com |