Dell PowerEdge SC 420 - Manual (Page 2)

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Technical Specifications
Dell™ PowerEdge™ SC420 Systems User's Guide
Processor
Processor type Intel® Pentium® 4 processor with a minimum clock
speed of at least 2.8 GHz
or
Intel Celeron® processor with a minimum clock speed
of at least 2.8 GHz
Internal cache At least 1 MB (Intel Pentium 4 processor) and 256 KB
(Intel Celeron processor)
Front-side bus speed 800 MHz (Intel Pentium 4 processor) and 533 MHz
(Intel Celeron processor)
Expansion Bus
Bus type PCI Express and PCI
Expansion slots
PCIe 2.5-GHz PCI Express x8, 3.3-V, 12-V (slot 1)
2.5-GHz PCI Express x1, 3.3-V, 12-V (slot 5)
PCI Three 5-V, half-length, 32-bit, 33-MHz (slots 2
through 4)
Memory
Architecture 72-bit, ECC, PC-3200, Unbuffered, DDR II SDRAM,
DIMMs, rated for 400-MHz operation
or
72-bit, ECC, PC-4300, Unbuffered, DDR II SDRAM,
DIMMs, rated for 533-MHz operation
Memory module sockets Four 240-pin
Memory module capacities 256 MB, 512 MB, or 1 GB
Minimum RAM 256 MB (one 256-MB module)
Maximum RAM 4 GB
Drives
Hard drives
SATA Up to two non-hot-plug, 1-inch, internal SATA hard
drives with the integrated SATA controller
SCSI Up to two non-hot-plug, 1-inch, internal SCSI drives
with a SCSI controller card
Diskette drive One optional 3.5-inch, 1.44-MB
CD drive One IDE CD, DVD, CD-RW/DVD combination, or DVD-
RW
NOTE: DVD devices are data only.
Tape drives One optional 5.25-inch, or one IDE tape device
Connectors
Externally accessible
Back
NIC RJ-45 (for integrated 1-Gigabit NICs)
Parallel 25-pin
PS/2-style keyboard 6-pin mini-DIN