Item Component Spare part number
(19) Memory modules (two, DDR3-1600 MHz, PC3-12800):
●
4 GB 641369-001
●
2 GB 652972-001
(20) WLAN module:
●
Qualcomm Atheros AR9485 802.11 b/g/n 1×1 WiFi Adapter 675794-001
●
Ralink RT3290LE 802.11 b/g/n 1x1 WiFi and Bluetooth 4.0 Combo Adapter 690020-001
●
Ralink RT5390R 802.11 b/g/n 1×1 WiFi (select models only) 691415-001
(21) Optical drive (includes bezel and bracket):
●
Blu-ray ROM DVD±R/RW Super Multi Double-Layer Drive 680557-001
●
DVD±RW Super Multi Double-Layer Combination Drive 680556-001
(22) Service door (includes one captive screw) — available in the Plastics Kit 680561-001
Display assembly subcomponents
Item Component Spare part number
(1) Display bezel:
●
Black 680545-001
ENWW
Display assembly subcomponents
23