Dell PowerEdge R200 Getting Started page 14

Expansion Buses
Bus type
Expansion slots - Two optional riser cards
Riser 1
PCIe
PCIe
Riser 2
PCI-X
PCIe
Memory
Architecture
Memory module sockets
Memory module capacities
Minimum RAM
Maximum RAM
Drives
Hard Drives
SATA
SAS
Optical drive
USB flash drive
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Getting Started Guide
PCI-X, PCIe
One full-height, half-length, x8 lane PCIe slot
One full-height, half-length, x4 lane PCIe slot
residing on a x8 lane connector
One full-height, half-length,
64-bit, 133MHz PCI-X slot
One full-height, half-length, x8 lane PCIe slot
Up to four unbuffered DDR2 677/800 MHz
SDRAM memory modules with ECC
Four 240-pin
512 MB, 1 GB, or 2 GB
512 MB (one 512-MB module)
8 GB
Up to two 1-inch high drives
Up to two optional internal 1-inch high drives
with optional SAS controller card
DVD, or combination CD-RW/DVD in a
peripheral drive bay
NOTE:
DVD devices are data only.
One optional drive that emulates a diskette drive
or hard drive