Dell Dimension C521 - Specifications

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 Specifications
Dell™Dimension™C521ServiceManual
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Microprocessor
Microprocessor type
AMD™Athlon™64X2Dual-Core processor
AMD Athlon 64
AMDSempron™
Internal L2 cache
up to 1 MB per core
up to 256 KB for Sempron
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Memory
Type
533-MHz, 667-MHz, 800-MHz z (when available) DDR2
SDRAM
Memory connectors
four
Memory modules supported
256-MB, 512-MB, or 1-GB non-ECC
Minimum memory
256 MB
Maximum memory
4GB
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Computer Information
Chipset
nVidia GeForce 6150LE
DMA channels
eight
Interrupt levels
24
BIOS chip (NVRAM)
4 Mb
NIC
integrated network interface
Capable of 10/100 communication
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Video
Type
nVidia integrated video (DirectX 9.0c Shader Model
3.0 Graphics Processing Unit) or PCI Express x16
graphics card
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Audio
Type
Sigma Tel 9227 CODEC (7.1 Channel Audio)
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Controllers
Drives
two SATA controllers supporting two devices
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Expansion Bus
Bus type
PCI 2.3
PCI Express 1.0A
SATA 1.0A and 2.0
USB 2.0
Bus speed
PCI: 133 MB/s
PCI Express x16: 80 Gbps bidirectional speed
PCI Express x1: 2.5 Gbps
SATA: 1.5 Gbps and 3.0 Gbps
USB: 480 Mbps high speed, 12 Mbps full speed, 1.2
Mbps low speed
Cards
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PCI
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connectors
one