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2-GB DDR2 Synch Dram PC2-5300 (667-MHz) Non ECC (4 x 512)
X X
3-GB DDR2 Synch Dram PC2-5300 (667-MHz) Non ECC (3 x 1GB)
X X
4-GB DDR2 Synch Dram PC2-5300 (667-MHz) Non ECC (4 x 1GB)
X X
4-GB DDR2 Synch Dram PC2-5300 (667-MHz) Non ECC (2 x 2GB)
X X X
8-GB DDR2 Synch Dram PC2-5300 (667-Mhz) Non ECC (4 x 2GB)
X X
* Ultra-slim Desktop uses SODIMM modules. Small Form Factor and Convertible Minitower use DIMM modules.
Expandability
ExpandabilityExpandability
Expandability
USDT
USDTUSDT
USDT
SFF
SFFSFF
SFF
CMT
CMTCMT
CMT
PCI slots
N/A
1 low-profile (2.5"), length (6.6")
standard;
2 full-height (4.2"), length (6.875")
via optional riser card.
NOTE:
NOTE: NOTE:
NOTE:
With riser card option,
PCIe x1 and PCIe x16 slots are
not accessible.
3 full-height (4.2"), length (10.5")
Max power per slot
N/A
25W 25W
PCI Express x16 slot (Also
functions as SDVO/ADD2
Slot)
N/A
1 low-profile (2.5"), length (6.6")
1 full-height (4.2"), full-length
Max power per slot
N/A
25W 75W
PCI Express x1 slot
N/A
2 low profile (2.5"), length (6.6")
2 full-height (4.2"), full-length
Max power per slot
N/A
10W 10W
External Bays
1 Slimline (WxDxH):
128 x 127 x 12.7 mm
2 4
3.5"
N/A
1 1
5.25"
N/A
1 (length 8.189")
3 (2 – length 8.189", 1 – length
5.71")
Internal 2.5" HDD Bays
1
0 0
Internal 3.5" HDD Bays
0 1 2
Hard Drive Controller (PCI)
Supported
Serial ATA (support for SATA 1.5-Gb/s and 3.0-Gb/s hard drives)
Hard Drive and Optical
SATA Interfaces Supported
1 Serial ATA interface;
1 SATA to PATA converter
3 Serial ATA interfaces 4 Serial ATA interfaces
QuickSpecs
HP Compaq dc7800 Business PC
HP Compaq dc7800 Business PCHP Compaq dc7800 Business PC
HP Compaq dc7800 Business PC
Standard Features and Configurable Components
DA - 12744 North America — Version 25 — May 16, 2008
Page 12