Dell PowerEdge R920 Owner's Manual page 134

Expansion Bus
Riser 3 (optional)
Memory
Architecture
Memory module sockets
Memory module capacities
LRDIMMs
RDIMMs
Minimum RAM
Maximum RAM
LRDIMMs and RDIMMs
Drives
Hard drives
Four hard-drive systems
Twenty four hard-drive systems (SAS/
SATA)
134
(Slot 2/2) One full-height, half-length x4 link
(Slot 3) One full-height, half-length x8 link
(Slot 4) One full-height, full-length x16 link
(Slot 5) One full-height, half-length x16 link
(Slot 6) One full-height, half-length x16 link
(Slot 7) One full-height, half-length x16 link
(Slot 8) One full-height, half-length x16 link
(Slot 1/ 9) One full-height, full-length x8 link
(Slot 2/ 10) One full-height, half-length x8 link
1066 MT/s, 1333 MT/s or 1600 MT/s DDR3 registered,
load-reduced Error Correcting Code (ECC) DIMMs
Support for advanced ECC or memory optimized
operation
Ninety-six 240-pin
32 GB quad-ranked
4 GB, 8 GB, or 32 GB single-, dual-, quad-, or octal-ranked
4 GB with a single processor
Up to 6 TB
Up to four 2.5 inch, internal, hot-swappable SAS hard drives in
hard-drive slots 0 through 3.
This configuration supports:
• 3Gb/s, 6Gb/s, and 12Gb/s I/O operations on SAS drives.
• 3Gb/s and 6Gb/s on SATA drives.
Up to twenty four 2.5 inch, internal, hot-swappable SAS/SATA
hard-drives.
This configuration supports:
• 3Gb/s, 6Gb/s, and 12Gb/s I/O operations on SAS drives.
NOTE: To use slots 6 through 10, all
four processors must be installed.