Dell Dimension C521 Owner's Manual page 94

Audio
Type
Controllers
Drives
Expansion Bus
Bus type
Bus speed
Cards
PCI
connectors
card size
connector size
connector data width
(maximum)
PCI Express:
connectors
power
connector size
connector data width
(maximum)
Drives
Externally accessible
Available devices
Internally accessible
94
Appendix
Sigma Tel 9227 CODEC (7.1 Channel Audio)
two SATA controllers supporting two devices
PCI 2.3
PCI Express 1.0A
SATA 1.0A and 2.0
USB 2.0
PCI: 133 MB/s
PCI Express x16: 40 Gbps bidirectional speed
PCI Express x1: 2.5 Gbps
SATA: 1.5 Gbps and 3.0 Gbps
USB: 480 Mbps high speed, 12Mbps full speed, 1.2 Mbps low
speed
one
low profile
124 pins
32 bits
one x1 and one x16
10 W (x1) and 25 W (x16) maximum
36 pins (x1) and 164 pins (x16)
one PCI Express lane (x1) and 16 PCI Express lanes (x16)
one 3.5-inch drive
one 5.25-inch drive bays
SATA hard drive, CD drive, DVD drive, DVD +/- RW drive, and
CD-RW/DVD Combo drive
one bay for a 1-inch-high hard drive