Item
Component
500-GB, 7200-rpm
320-GB, 7200-rpm
320-GB, 5400-rpm
250-GB, 7200-rpm
Hard Drive Hardware Kit (not illustrated, includes isolators and Mylar shield)
(21)
Memory modules (2, DDR3, 10600, 1333-MHz)
4 GB
2 GB
1 GB
(22)
WLAN module:
For use on all computer models:
Atheros 9285G 802.11b/g/n 1×1 WiFi Adapter
Broadcom 4313 802.11b/g/n 1×1 WiFi and 2070 Bluetooth 2.1+EDR Combo Adapter
(Bluetooth 3.0+HS ready)
Ralink RT3090BC4 802.11b/g/n 1×1 WiFi and Bluetooth 2.1+EDR Combo Adapter
(Bluetooth 3.0+HS ready)
Broadcom 4313 802.11b/g/n 1×1 WiFi Adapter for use only on computer models
equipped with an AMD processor
Intel Centrino Wireless-N 1000 for use only on computer models equipped
with an Intel processor
Ralink 5390GN 802.11b/g/n 1×1 WiFi Adapter for use only on computer models
equipped with an Intel processor
(23)
Service cover (includes 2 captive screws, secured by C-clips) — available in the Plastics Kit, spare part number
639453-001)
Spare part number
644685-001
645089-001
645086-001
645091-001
639444-001
621569-001
621565-001
639736-001
605560-005
600370-001
630705-001
593836-001
593530-001
630703-001
Computer major components
23