Dell Studio XPS 435T / 9000 (Early 2009) - Manual (Page 59)

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Specifications
Drives
Internally accessible three 3.5‑inch drive
bays for SATA hard
drives
Memory
Connectors six internally‑
accessible DDR3
DIMM sockets
Capacities 1 GB, 2 GB, and 4 GB
(32‑bit operating
system)
1 GB, 2 GB, and
greater than 4 GB
(64‑bit operating
system)
Memory type 1066‑MHz DDR3
DIMM; non‑ECC
memory only
Memory
Minimum 2 GB
Maximum 24 GB
NOTE: For instructions on upgrading your
memory, see the Service Manual on the
Dell Support website at support.dell.com.
Computer Information
System chipset Intel X58 + ICH10R
QPI width link 20 lanes (16 data
lanes, 4 CRC lanes)
DRAM bus width 192 bits
RAID support RAID 0 (striping)
RAID 1 (mirroring)
BIOS chip (NVRAM) 16 MB