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https://ark.intel.com/content/www/us/en/ark/products/65719/intel-core-i7-3770-processor-8m-cache-up-to-3-90-ghz.html


Intel Core i7-3770 @ 3.40GHz

Class: Desktop

Socket: LGA1155

Clockspeed: 3.4 GHz

Turbo Speed: 3.9 GHz

Cores: 4 Threads: 8

Typical TDP: 77 W

Other names: Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz

CPU First Seen on Charts:  Q1 2012

CPUmark/$Price:  34.59     

Overall Rank:  664

Last Price Change:  $184.00 USD (2020-08-15)

Average CPU Mark
rating                  6,364
Single Thread Rating:   2,064
Cross-Platform Rating: 13,752

Samples: 13296*

Replace power supply and pretty much everthing.
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<a href='https://www.youtube.com/watch?v=qQvGdb4VXKg'> Dell Optiplex SFF 3010 7010 9010 Change Power Supply </a>