Dell Optiplex 745 SFF Supported Processor

TheNeoNGameR321 · Dec 25, 2013

Hi Everyone I Want to upgrade me dell optiplex 745 sff processor how many cores processor does it support quad core or dual core my friend is saying that it should only upgrade to 2.40 gHz core 2 duo Processor so is it correct what he is saying i don't know my motherboard name that's the reason i'm posting this and upgrading processor depend on psu or motherboard

SPECS

Intel(R) Pentium(R) 4 2.99 3.00 GHZ
4GB (3.25GB USable)
GeForce GT 520
300W PSU

mbarnes86 · Dec 25, 2013

Hi

Dell specification sheet PDF

http://www.dell.com/downloads/global/products/optix/en/opti_745techspecs.pdf

E6000 series 1066MHz for Core 2 duo
E6700 at 2.66GHz

unless you can get a second hand one cheap on Amazon or similar it is not worth the effort

regards

Mike Barnes

TheNeoNGameR321 · Dec 25, 2013

u mean it can support upto core 2 duo e6700 2.66GHZ

Kisianik · Dec 25, 2013

It can go up to Q6600 or Q6700, up to QX6700 but cooling must be upgraded.
Also, if you are planning to stick video card like 6670 or 7750 low profile - this will push power supply to the edge, so it is dangerous, but possible if you agree to take the risks.

Kisianik · Dec 26, 2013

TheNeoNGameR321 :

I look one more time and I see controversy. You said your power supply is 300 watt, but actual Optiplex 745 SFF power supply is 275 watt according to manual, so what you have?

Look at the pictures below and point to yours.

TheNeoNGameR321 · Dec 27, 2013

small form factor

Kisianik · Dec 27, 2013

Considering that you might want to upgrade your video card as well, I would stop at Q6600 as the cheapest one (due to popularity), your system will become more noisy if it is OK.

eBay only for lower price http://www.ebay.com/sch/CPUs-Processors-/164/i.html?_from=R40&_sop=15&_nkw=q6600&rt=nc&LH_BIN=1

If you want to bid, price can be lower.

Anything else I can help you with?

marshall21 · Nov 4, 2014

i also have a dell optiplex 745 sff i have read that some systems will take the core 2 quad 6600 or 6700 is it 100% guaranteed that it will take the core 2 quad also if it isnt guaranteed will putting one in harm the system or will i just get some sorta error? thank for your answers

Aaron Terry · Aug 6, 2015

Kisianik :

Well Im extremely Jealous. I know at this point its older tech but i've bought a QX6700 and a Q6600 and niether of them work in there. i know there is the chance of Doa's but i've driven myself crazy trying to figure this problem out. and yes i did flash the latest bios from dell.

Kisianik · Aug 7, 2015

Ugh

By now I know, only 95 watt version is supported due to power supply. Go to this page and scroll all the way down, the last table will provide part number, stepping and TDP, which is varies from 95 watt to 105 watt.
95 watt is HH80562PH0568M, see what is printed on top of yours?

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Dell Optiplex 745 SFF Supported Processor

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