HP dc7900, Dc7900 KP721AV Table, Feature Difference Matrix by Form Factor

System Overview

Table 2-1 shows the differences in features between the different PC series based on form factor:

Table 2-1

Feature Difference Matrix by Form Factor

	USDT	SFF	CMT
Processor types supported	Intel Celeron,	Intel Celeron,	Intel Celeron,
	Pentium dual-core,	Pentium dual-core,	Pentium dual-core,
	Core 2 Duo	Core 2 Duo,	Core 2 Duo,
		Core 2 Quad	Core 2 Quad
Processor wattage (max)	65 W	95 W	95 W
Memory:
# & type of sockets	2 SODIMM	4 DIMM	4 DIMM
Maximum memory	8 GB	16 GB	16 GB
Serial ports	0	1 std., 1 opt. [1]	1 std., 1 opt. [1]
Parallel ports	0	optional	optional
Drive bays:
Externally accessible	1	2	4
Internal	1	1	2
Drive types supported	1 HDD,	2 HDDs,	2 HDDs,
	1 slimline ODD	1ODD,	2 ODDs,
		RAID1	RAID1
PCIe slots:
x16 graphics (PCIe 2.0)	0	1 [3, 4]	1
x1 connector	1 [2]	1 [3]	1
x4 (x16 connector)		1 [3, 4]	1
PCI 2.3 32-bit 5-V slots	0	1 half-height	3
		or	full-height
		2 full-height [5]
Power Supply Unit:
Module type	external	internal	internal
power rating	135-watt	240-watt	365-watt

NOTES:

[1]2nd serial port requires optional cable/bracket assembly.

[2]PCIe Mini Card slot.

[3]Supports low-profile card in standard configuration. Not accessible if PCI riser card field option is installed.

[4]Accepts low-profile PCIe card: height = 2.5 in., length = 6.6 in.

[5]Full-height PCI slots require installation of PCI riser card field option (full-height dimensions: height = 4.2 in., length = 6.875 in).

Technical Reference Guide www.hp.com 2-3