Dell GX280DT - GX280 Desktop Computer User Manual page 271

Controllers
Drives
Expansion Bus
Bus type
Bus speed
Small Form-Factor computer
PCI
connector
connector size
connector data width (maximum)
PCI Express
connector
connector size
connector data width (maximum)
Small Desktop computer
PCI
connectors
connector size
connector data width (maximum)
PCI Express
connector
connector size
connector data width (maximum)
Desktop computer
PCI
connectors
connector size
connector data width
(maximum)
PCI Express
connectors
connector size
connector data width
Small Mini-Tower
PCI
connectors
connector size
small form-factor: one serial ATA controller supporting
one device and one parallel Ultra ATA/100 IDE
supporting two devices per channel with one channel
small desktop: one serial ATA controllers supporting
one device each and one parallel Ultra ATA/100 IDE
supporting two devices per channel with one channel
desktop: two serial ATA controllers supporting one
device each and one parallel Ultra ATA/100 IDE
supporting two devices per channel with one
channel.
small mini-tower: two serial ATA controllers
supporting one device each and one parallel Ultra
ATA/100 IDE supporting two devices per channel with
one channel
mini-Tower: two serial ATA controllers supporting one
device each and one parallel Ultra ATA/100 IDE
supporting two devices per channel with one channel
PCI 2.2
SATA 1.0a
USB 2.0
PCI Express 1.0a
PCI: 33 MHz
SATA: 1.5 Gbps
USB: 480 Mbps
PCI Express x1: 5 Gbps
PCI Express x16: 80 Gbps
low-profile cards supported
one
120 pins
32 bits
one x16
164 pins
16 PCI Express lanes
half-length cards supported
one or two (depending on purchase)
120 pins
32 bits
one x16 and an optional x1
120 pins (x16) and an optional 36 pins (x1)
16 PCI Express lanes (x16) and an optional one PCI
Express lane (x1)
half-height cards supported
half-length, full-height cards supported with optional
with card cage
two (without card cage)
two (with card cage)
120 pins
32 bits
one x16
120 pins (x16)
16 PCI Express lanes (x16)
full-height cards supported
three
120 pins