[SOLVED] What is the highest CPU upgrade for a Dell Optiplex GX620 Mini Tower?

Tyler1120

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I know that it's motherboard supports Pentium D 800's, but I was wondering if it also supports the 900 series. If so does the BIOS need an update?

And yeah I know this thing's <<Edited>> ancient. I already have a better PC so no need to lecture me on just buying a new PC lol.
 
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Daytona Beach

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Intel Pentium 4 HT 3.4 GHz I believe
I looked around and most people said this is about as good as it gets for that dino.
I believe the GX620 also supports Intel Core 2's but I can't be 100%. Someone said they are running a IC 2 Duo 6300.
I believe it can run the 900 series as well.
 

Tyler1120

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Jun 7, 2016
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Intel Pentium 4 HT 3.4 GHz I believe
I looked around and most people said this is about as good as it gets for that dino.
I believe the GX620 also supports Intel Core 2's but I can't be 100%. Someone said they are running a IC 2 Duo 6300.
I believe it can run the 900 series as well.
I believe, correct me if I'm wrong, but I don't think the GX620 supports Core 2's because of the BIOS firmware doesn't support it? I could be wrong though.

Also, some of the 900 series CPU's have VT-d support. I would like to get a CPU that does have this support because Windows 10 64bit requires VT-d.
 

Daytona Beach

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Someone mentioned they had a Intel Core 2 Duo 6300 running in a GX620 MT. Not sure if that's correct.
I looked at the Dell Data Sheet and didn't see a support for Core 2's so he may be wrong. I haven't had much experience with Core 2's besides my first custom PC build. But I do believe the GX620 will support the 900 series.

Pentium D 960 (3.6Ghz Dual Core) is the CPU used in a PC build on Dell's website.

Dell's data sheet says this

Intel® 945G chipset, Intel Pentium® D processor with Dual Core architecture, Intel Pentium 4 processor with the option of implementing Hyper-Threading Technology or Celeron D® processor.

EDIT:
Here is the data sheet.

https://www.dell.com/downloads/emea/products/optix/opti_gx620_gx520_uk.pdf
 

Tyler1120

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Jun 7, 2016
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Someone mentioned they had a Intel Core 2 Duo 6300 running in a GX620 MT. Not sure if that's correct.
I looked at the Dell Data Sheet and didn't see a support for Core 2's so he may be wrong. I haven't had much experience with Core 2's besides my first custom PC build. But I do believe the GX620 will support the 900 series.

Pentium D 960 (3.6Ghz Dual Core) is the CPU used in a PC build on Dell's website.

Dell's data sheet says this

Intel® 945G chipset, Intel Pentium® D processor with Dual Core architecture, Intel Pentium 4 processor with the option of implementing Hyper-Threading Technology or Celeron D® processor.

EDIT:
Here is the data sheet.

https://www.dell.com/downloads/emea/products/optix/opti_gx620_gx520_uk.pdf
Another question, when installing Windows with a USB drive; Does the USB drive's file system need to be FAT32 or NTFS for these older PCs? Also does the partition scheme have to be MBR or GPT?
 

Daytona Beach

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I believe everything besides Windows 8 boots from FAT32, if you are installing Windows 10 you'll need to use NTFS as FAT32 doesn't support over 4GB.
MBR is required for booting older Windows systems in BIOS mode, although the 64-bit version of Windows 7 can also boot in UEFI mode
 
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