Dell OptiPlex 790 Important Information

Important Information — Dell OptiPlex 790/990
About Warnings
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
System Board
The Dell OptiPlex 790/ 790 computers are now shipped with a new system board without the following components:
1. Heatsink
2. Power supply thermal sensor (Desktop chassis only)
Heatsink Removal
The following image displays an earlier version of the system board shipped with the heatsink.
Figure 1. System Board of an earlier version of the system board with the heatsink
All system boards shipped with the following BIOS versions or higher will NOT contain the heatsink.
Computer Model BIOS version
OptiPlex 790/990 A11
If the BIOS is downgraded to an earlier version than the version listed above, an error message will be displayed.
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Regulatory Model: D09M, D05D, D03S, D01U
Regulatory Type: D05D001, D03S001, D01U001
2012 - 04

Dell OptiPlex 790 Specifications

General

Tcase	72.6 °C
Bus type	DMI
Stepping	D2
Processor cache	8 MB
Processor cores	4
Processor model	i7-2600
System bus rate	5 GT/s
Processor family	Intel® Core™ i7
Processor series	Intel Core i7-2600 Desktop Series
Processor socket	LGA 1155 (Socket H2)
Processor threads	8
Processor codename	Sandy Bridge
Processor frequency	3.4 GHz
Processor cache type	Smart Cache
Processor lithography	32 nm
Processor manufacturer	Intel
Processor front side bus	- MHz
PCI Express slots version	2.0
Processor boost frequency	3.8 GHz
Processor operating modes	64-bit
ECC supported by processor	No
Thermal Design Power (TDP)	95 W
Number of processors installed	1
CPU multiplier (bus/core ratio)	34
Maximum number of PCI Express lanes	16
Memory types supported by processor	DDR3-SDRAM
Memory clock speeds supported by processor	1066, 1333 MHz
Memory bandwidth supported by processor (max)	21 GB/s
Maximum internal memory supported by processor	32 GB
Product type	PC
Motherboard chipset	Intel® Q965 Express
Memory slots	4x DIMM
Internal memory	4 GB
Memory channels	Dual-channel
Memory clock speed	1333 MHz
Maximum internal memory	16 GB
Memory layout (slots x size)	2 x 2 GB
HDD speed	7200 RPM
HDD interface	SATA III
Optical drive type	DVD-ROM
Total storage capacity	500 GB
Networking features	Gigabit Ethernet
On-board graphics card	Yes
On-board graphics card ID	0x102
Discrete graphics card model	Not available
On-board graphics card model	Intel® HD Graphics 2000
On-board graphics card family	Intel® HD Graphics
On-board graphics card base frequency	850 MHz
On-board graphics card dynamic frequency (max)	1350 MHz
Number of displays supported (on-board graphics)	2
Display included	-
Operating system installed	Windows 7 Professional
USB 2.0 ports quantity	10
Firewire (IEEE 1394) ports	0
Cabling technology	10/100/1000Base-T(X)
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Chassis type	SFF
Product color	Black
Certification	CECP, TCO 05, WEEE
Sustainability certificates	RoHS, EPEAT Gold, ENERGY STAR
Power supply	240 W
Processor code	SR00B
Processor ARK ID	52213
Processor package size	37.5 x 37.5 mm
Supported instruction sets	AVX
Intel Identity Protection Technology version	1.00

Weight and Dimensions

Depth	312 mm
Width	92.6 mm
Height	290 mm
Weight	5700 g