Dell POWEREDGE 840 - Manual (Page 11)

Getting Started With Your System
9
Technical Specifications
Processor
Processor type One Intel
®
Core ™ 2 Duo processor
or
One Intel Celeron
®
D, 300 sequence
or
One Intel Pentium
®
4, 600 sequence
Expansion Buses
Bus type PCIe, PCI-X, PCI
Expansion slots
PCIe One 3.3-V, x1
One 3.3-V, x8
PCI-X Two full-height, full-length, 3.3-V,
64-bit, 133-MHz
PCI One 5-V, 32-bit, 33-MHz
Memory
Architecture 72-bit ECC unbuffered DDR2 533/667 MHz
SDRAM DIMMs, single- or dual-channel
Memory module sockets Four 240-pin
Memory module capacities 512 MB, 1 GB, or 2 GB
Minimum RAM 512 MB (one 512-MB module)
Maximum RAM 8 GB
Drives
Hard Drives
SATA Up to four internal, 1-inch-high (3.5-inch form
factor) drives connected to integrated drive
controller or RAID controller card (non-hot plug)
or SAS backplane (hot plug)
SAS Up to four internal, 1-inch-high (3.5-inch form
factor) drives connected to optional SAS backplane
(hot-plug) or SAS controller card (non-hot plug)
NOTE:
Mixing of SATA and SAS drives is not
supported