| OVERVIEW | |
| Introduced | October 2011 |
| Model Identifier | MacBookPro8,1 |
| Model Number | A1278 |
| EMC | 2555 |
| Order Number | MD313LL/A (2.4 GHz), MD314LL/A (2.8 GHz) |
| Support | NiwTech |
| Colors | Silver |
| Case | Precision aluminum unibody |
| Case Replacement | NiwTech |
| Weight and Dimensions | 4.5 lbs., 0.95" H x 12.78" W x 8.94" D |
| PROCESSOR | |
| Processor | Intel Core i5 or Core i7 (2435M, 2640M) ("Sandy Bridge") |
| Processor Speed | 2.4 GHz (Core i5) or 2.8 GHz (Core i7) |
| Maximum Processor Speed | |
| Architecture | 64-bit |
| Number of Cores | 2 |
| Security Chip | None |
| Cache | 6 MB shared (2.2, 2.4 GHz) 8 MB shared (2.5 GHz) L3 cache3 MB (2.4 GHz) 4 MB (2.8 GHz) shared L3 |
| System Bus | Intel Direct Media Interface (DMI) at 5 GT/s |
| STORAGE AND MEDIA | |
| Storage | 500 or 750 GB (5400-rpm SATA) or 128, 256, or 512 GB (SSD) |
| Storage Upgrade | NiwTech |
| Data Recovery Service | NiwTech |
| Media | Slot-loading 8x SuperDrive (DVD±R DL/DVD±RW/CD-RW) |
| KEYBOARD AND TRACKPAD | |
| Trackpad | Multi-Touch trackpad |
| Trackpad Replacement | NiwTech |
| Keyboard | Built-in full-size backlit with 78 (U.S.) or 79 (ISO) keys, incl. 12 function and 4 arrow |
| Keyboard Replacement | NiwTech |
| Touch ID | None |
| SOFTWARE | |
| Original OS | Mac OS X 10.7.2 (11C74) |
| Maximum OS | macOS 10.13.6 (17G65) |
| OS install | NiwTech |
| OS Upgrade | NiwTech |
| OS Downgrade | NiwTech |
| AirDrop | Supported |
| Handoff | Not Supported |
| Power Nap | Not Supported |
| Hardware Test | AHT 3A222 |
| Unlock with Apple Watch | Not Supported |
| FIRMWARE | |
| Firmware | Intel Extensible Firmware Interface (EFI) |
| MEMORY | |
| Built-in Memory | None |
| Maximum Memory | 16 GB (Actual) 8 GB (Apple) |
| Interleaving Support | Yes |
| Memory Slots | 2 - 204-pin PC-10600 (1333 MHz) DDR3 SO-DIMM |
| Memory Upgrade | NiwTech |
| Memory Upgrade Instructions | How to remove or install memory |
| DISPLAY | |
| Built-in Display | 13.3-inch (diagonal) LED-backlit glossy widescreen |
| Brightness | |
| Pixel Density | |
| Color Gamut | |
| Resolutions | |
| Display Replacement | NiwTech |
| GRAPHICS | |
| Graphics Card | Intel HD Graphics 3000 |
| Number of Cores | |
| Graphics Memory | 384 MB of DDR3 SDRAM shared with main memory (Memory may vary depending on graphics needs. Minimum graphics memory usage is 384 MB.) |
| Display Connection | Thunderbolt digital video output |
| Display Support | Support for up to two Thunderbolt displays |
| Display Modes | Dual display extended, video mirroring, and AirPlay Mirroring |
| External Resolution | Up to 2560 by 1600 pixels |
| CAMERA | |
| Camera | FaceTime HD camera |
| CONNECTIONS | |
| Wi-Fi | 802.11n |
| Bluetooth | Built-in Bluetooth 2.1 + EDR |
| Ethernet | 10/100/1000BASE-T (RJ-45) |
| Modem | None |
| FireWire | 1 - 800 MBit/s |
| USB | 2 - 480 MBit/s |
| Thunderbolt | 1 - Thunderbolt 1 (up to 10 Gbps) |
| Display | Thunderbolt digital video output |
| Infrared | 1 - For Apple Remote only |
| Audio In | 1 - 3.5-mm analog/optical combo jack, 1 - Built-in microphone |
| Audio Out | 1 - 3.5-mm analog/optical combo jack, 2 - Built-in speakers |
| Security Slot | 1 - Kensington cable lock |
| EXPANSION | |
| Slots | 1 - ExpressCard/34 |
| Bays | None |
| Hard Drive Interface | 6.0 Gbps Serial ATA (SATA) |
| Optical Drive Interface | 6.0 Gbps Serial ATA (SATA) |
| SENSORS | |
| Motion Sensor | Sudden Motion Sensor (SMS) |
| Liquid Sensor | Liquid Contact Indicators (LCI) |
| Liquid Damage Repair | NiwTech |
| POWER | |
| System Battery | Built-in 63.5-watt-hour lithium-polymer |
| Battery Life | Up to 7 hours wireless web |
| Battery Capacity | |
| Standby Time | Up to 30 days |
| Maximum Battery Cycles | 1000 |
| Battery Replacement | NiwTech |
| Power Adapter | 60W MagSafe Power Adapter |
| Power Adapter Replacement | NiwTech |
| Line Voltage | 100-240V AC |
| ENVIRONMENTAL | |
| Acoustical Performance | 18 dBA at idle |
| ENERGY STAR | Meets ENERGY STAR 5.2 requirements |
| EPEAT | Gold |
| NiwTech | www.niwtech.com |
