Dell Vostro 470 (Mid 2012) - Manual (Page 61)

Communications
Wireless Wi-Fi and Bluetooth wireless technology
Table 16. Audio
Audio
Type integrated 7.1 channel, High Definition Audio with S/PDIF
support
Controller ALC3800-CG
Table 17. Drives
Drives
Externally accessible two 5.25-inch drive bays for a Blu-ray Disc combo
(optional), Blu-ray Disc Writer (optional), or DVD+/-RW
Internally accessible two 3.5-inch drive bays for SATA hard drives
one mSATA SSD drive (optional)
Table 18. Expansion Bus
Expansion Bus
PCI Express x1
Connectors three
Connector size 36-pin
PCI Express x16
Connectors one
Connector size 164-pin
PCI-E mini-card
Connectors one
Connector size 52-pin
Table 19. Power
Power
Input voltage 100-127 VAC / 200-240 VAC
Input frequency 50/60 Hz
Rated input current 8.0 A/4.0 A
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