| OVERVIEW | |
| Introduced | June 2009 |
| Model Identifier | MacBookPro5,5 |
| Model Number | A1278 |
| EMC | 2326 |
| Order Number | MB990LL/A (2.26 GHz), MB991LL/A (2.53 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 2 Duo (P7550, P8400, P8700) ("Penryn") |
| Processor Speed | 2.26 or 2.53 GHz |
| Maximum Processor Speed | |
| Architecture | 64-bit |
| Number of Cores | 2 |
| Security Chip | None |
| Cache | 3 MB on chip shared L2 cache |
| System Bus | 1066 MHz |
| STORAGE AND MEDIA | |
| Storage | 160, 250, 320, or 500 GB (5400-rpm SATA) or 128 or 256 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 10.5.7 (9J3032) |
| Maximum OS | OS X 10.11.6 (15G31) |
| OS install | NiwTech |
| OS Upgrade | NiwTech |
| OS Downgrade | NiwTech |
| AirDrop | Supported |
| Handoff | Not Supported |
| Power Nap | Not Supported |
| Hardware Test | AHT 3A173 |
| Unlock with Apple Watch | Not Supported |
| FIRMWARE | |
| Firmware | Intel Extensible Firmware Interface (EFI) |
| MEMORY | |
| Built-in Memory | None |
| Maximum Memory | 8.0 GB |
| Interleaving Support | Yes |
| Memory Slots | 2 - 204-pin PC3-8500 (1066 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 | NVIDIA GeForce 9400M |
| Number of Cores | |
| Graphics Memory | 256 MB of DDR3 SDRAM shared with main memory (Minimum graphics memory usage is 256 MB) |
| Display Connection | 1 - Mini DisplayPort (VGA, DVI, or dual-link DVI with adapter) |
| Display Support | |
| Display Modes | Dual display extended and video mirroring |
| External Resolution | Up to 2560 by 1600 pixels |
| CAMERA | |
| Camera | Built-in iSight |
| CONNECTIONS | |
| Wi-Fi | Built-in AirPort Extreme card (802.11a/b/g/n) |
| Bluetooth | Built-in Bluetooth 2.1 + EDR |
| Ethernet | 10/100/1000BASE-T (RJ-45) (support for jumbo frames) |
| Modem | Optional Apple USB Modem (MA034Z/A) |
| FireWire | 1 - 800 MBit/s |
| USB | 2 - 480 MBit/s |
| Thunderbolt | 1 - Thunderbolt 1 (up to 10 Gbps) |
| Display | 1 - Mini DisplayPort (VGA, DVI, or dual-link DVI with adapter) |
| Infrared | 1 - For Apple Remote only |
| Audio In | 1 - Built-in microphone, Audio out is user-selectable as analog audio line in |
| Audio Out | 1 - Combined optical digital output/headphone out, 2 - Built-in speakers |
| Security Slot | 1 - Kensington cable lock |
| EXPANSION | |
| Slots | 1 - Secure Digital (SD) |
| Bays | None |
| Hard Drive Interface | 3.0 Gbps Serial ATA (SATA) |
| Optical Drive Interface | |
| SENSORS | |
| Motion Sensor | Sudden Motion Sensor (SMS) |
| Liquid Sensor | Liquid Contact Indicators (LCI) |
| Liquid Damage Repair | NiwTech |
| POWER | |
| System Battery | Built-in 58-watt-hour lithium-polymer |
| Battery Life | Up to 7 hours |
| Battery Capacity | |
| Standby Time | |
| 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 | 12 dBA at idle |
| ENERGY STAR | Meets ENERGY STAR version 5.0 requirements |
| EPEAT | Gold |
| NiwTech | www.niwtech.com |
