MacBook Air (Mid 2009)
![](./images/models/mba_mid_09.jpg)
Essentials
Family: MacBook Air
Codename: ?
Gestalt ID: 406
Minimum OS: 10.5.7
Maximum OS: 10.10.4
Introduced: June 2009
Terminated: October 2010
Processor
CPU: Intel Mobile Core 2 Duo (SL9xxx)
CPU Speed: 1.86/2.13 GHz
CPU Cores: 2
FPU: integrated
Bus Speed: 1066 MHz
Register Width: 64-bit
Data Bus Width: 64-bit
Address Bus Width: 64-bit
Level 1 Cache: 32 kB data, 32 kB instruction
Level 2 Cache: 6 MB on-processor
ROM: EFI
Onboard RAM: 2 GB
Maximum RAM: 2 GB
Video
Screen: 13.3" LED-backlit TFT
GPU: NVIDIA GeForce 9400M
VRAM: 256 MB shared (see notes)
Max Resolution: 1280x800
Video Out: Mini DisplayPort
Camera: iSight
Storage
Hard Drive: 120 GB 4200 RPM/128 GB solid-state
ATA Bus: Serial-ATA
Optical Drive: optional external
Input/Output
USB: 1 2.0
Audio Out: stereo 24 bit mini
Speaker: mono
Microphone: mono
Networking
Ethernet: via USB adaptor
Wi-Fi: 802.11a/b/g/n
Bluetooth: 2.1+EDR
Miscellaneous
Power: 45 Watts
Dimensions: 0.16-0.76" H x 12.8" W x 8.94" D
Weight: 3.0 lbs.
![](./images/models/mba_mid_09_back.jpg)
Notes
The MacBook Air's graphics chipset used a portion of main memory as VRAM. Though reported as a 256 MB graphics system, the chipset actually used up to 272 MB of RAM, resulting in a maximum of 1776 MB of RAM available for system use in the base system.
Introduced in June 2009, the MacBook Air (Mid 2009) represented both a speed-bump and a cost reduction of the MacBook Air (Late 2008). It shipped in two configurations: 1.86 GHz/2GB RAM/120 GB HD/$1499 and 2.13 GHz/2 GB RAM/128 GB solid-state/$1799.
The MacBook Air (Mid 2009) was replaced in October 2010 by the MacBook Air (11-inch, Late 2010) and MacBook Air (13-inch, Late 2010).
Picture Credits:
Apple, Inc.