Table 3. Processor (continued)
Descriptio
n
Option one Option two Option
three
Option four Option five Option six Option seven
Processor
core count
4 4 6 6 6 12
16
Processor
thread
count
8 8 12 12 12 20
24
Processor
speed
3.30 GHz to
4.30 GHz
3.50 GHz to
4.40 GHz
2.50 GHz to
4.40 GHz
3 GHz to
4.60 GHz
3.30 GHz to
4.80 GHz
2.10 GHz to
4.90 GHz
2.40 GHz to 5.10
GHz
Processor
cache
12 MB 12 MB 18 MB 18 MB 18 MB 25 MB
30 MB
Integrated
graphics
Intel UHD
Graphics 730
Intel UHD
Graphics 730
Intel UHD
Graphics 730
Intel UHD
Graphics 770
Intel UHD
Graphics 770
Intel UHD
Graphics 770
Intel UHD
Graphics 770
Chipset
The following table lists the details of the chipset supported by your OptiPlex 7400 All-in-One.
Table 4. Chipset
Description Values
Chipset
Intel Q670 PCH
Processor
12
th
Generation Intel Core i3/i5/i7/i9
DRAM bus width
● 64-bit (for single-channel)
● 128-bit (for dual-channel)
Flash EPROM
32 MB
PCIe bus
Up to Gen 3.0
Operating system
Your OptiPlex 7400 All-in-One supports the following operating systems:
● windows 11 Home, 64-bit
● Windows 11 Home National Academic, 64-bit
● Windows 11 Pro, 64-bit
● Windows 11 Pro National Academic, 64-bit
● Windows 11 CMIT Government Edition, 64-bit (China only)
● Windows 11 Downgrade (Windows 10 image)
● Ubuntu Linux 20.04 LTS, 64-bit
● Kylin Linux Desktop version 10.1 (China only)
For more information about Dell OS Recovery image, see How to Download and Use the Dell OS Recovery Image in Microsoft
Windows, at Dell support site.
Commercial platform Windows 11 N-2 and 5-year operating system supportability:
All newly introduced 2019 and later commercial platforms (Latitude, OptiPlex, and Dell Precision) will qualify and ship with the
most current factory installed Semi-Annual Channel Windows 11 version (N) and qualify (but not ship) the previous two versions
(N-1, N-2). The OptiPlex 7400 All-in-One will RTS with Windows 11 version v20H2 at time of launch, and this version will
determine the N-2 versions that are initially qualified for this platform.
Specifications of OptiPlex 7400 All-in-One
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