MacBook Air (Mid 2009)


Family: MacBook Air

Codename: ?

Gestalt ID: 406

Minimum OS: 10.5.7

Maximum OS: 10.10.4

Introduced: June 2009

Terminated: October 2010


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


Onboard RAM: 2 GB

Maximum RAM: 2 GB


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


Hard Drive: 120 GB 4200 RPM/128 GB solid-state

ATA Bus: Serial-ATA

Optical Drive: optional external


USB: 1 2.0

Audio Out: stereo 24 bit mini

Speaker: mono

Microphone: mono


Ethernet: via USB adaptor

Wi-Fi: 802.11a/b/g/n

Bluetooth: 2.1+EDR


Power: 45 Watts

Dimensions: 0.16-0.76" H x 12.8" W x 8.94" D

Weight: 3.0 lbs.


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.