Item Component Spare part
number
2-GB PC3L 12800 1600MHz shared 691739-001
4-GB PC3L 12800 1600MHz shared 691740-001
8-GB PC3L 12800 1600MHz shared 693374-001
(22) WLAN module
Intel® Centrino® Wireless-N 2230 + Bluetooth combo w/ *2 antennas (802.11 b/g/n,
Bluetooth 4.0)
670290-001
Realtek RTL 8188EE 802.11b/g/n 1×1 Wi-Fi 709848-001
Qualcomm Atheros AR 9485GN 802.11b/g/n 1×1 Wi-Fi 675794-001
Mediatek MT7630E 802.11 b/g/n 1×1 Wi-Fi and Bluetooth 4.0 combo adapter 710418-001
Ralink RT3290LE 802.11 b/g/n 1×1 Wi-Fi Bluetooth 4.0 Combo Adapter 690020-001
(23) Optical drive
For non-touch models:
DVD+/-RW Double-Layer SuperMulti drive 720246-001
Blu-ray Disc ROM with SuperMulti DVD±R/RW Double-Layer 720247-001
For touch models:
DVD+/-RW Double-Layer SuperMulti drive 720248-001
Blu-ray Disc ROM with SuperMulti DVD±R/RW Double-Layer 720249-001
(24) Hard drive
750-GB 5400 RPM SATA RAW 63.5mm (2.5 in) 634250-001
1-TB 5400 RPM SATA RAW 63.5mm (2.5 in) 676521-001
500-GB 5400 RPM SATA RAW 7mm (2.76 in. 683802-001
(25) Service cover
For non-touch models 720254-001
For touch models 720255-001
Computer major components 19