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(82 ratings)
50% positive over last 12 months
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AMD Ryzen 9 3900X 12-core, 24-thread unlocked desktop processor with Wraith Prism LED Cooler

4.8 4.8 out of 5 stars 12,694 ratings

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Processor

Purchase options and add-ons

Brand AMD
CPU Manufacturer AMD
CPU Model Ryzen 9 3900X
CPU Speed 4.6 GHz
CPU Socket Socket AM4

About this item

  • The world's most advanced processor in the desktop PC gaming segment
  • Can deliver Ultra-fast 100 plus FPS performance in the world's most popular games
  • 12 Cores and 24 processing threads, bundled with the AMD Wraith Prism cooler with color controlled LED support
  • 4.6 GHz max Boost, unlocked for overclocking, 70 MB of game Cache, DDR 3200 support. OS Support-Windows 10 - 64-Bit Edition, RHEL x86 64-Bit, Ubuntu x86 64-Bit. Operating System (OS) support will vary by manufacturer
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$445.00
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CHOKING HAZARD -- Small parts. Not for children under 3 yrs.

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Highly Rated
4.7/5 star rating from 100K+ customer ratings
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AMD Ryzen 9 3900X 12-core, 24-thread unlocked desktop processor with Wraith Prism LED Cooler
AMD Ryzen 9 3900X 12-core, 24-thread unlocked desktop processor with Wraith Prism LED Cooler
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Price-11% $445.00
List:$499.00
-14% $368.99
List:$429.00
$305.29-17% $273.05
List:$329.00
$406.45-49% $290.86
List:$569.99
Delivery
Get it Mar 20 - 25
Get it as soon as Sunday, Mar 17
Get it as soon as Sunday, Mar 17
Get it as soon as Sunday, Mar 17
Get it Mar 20 - 26
Get it as soon as Sunday, Mar 17
Customer Ratings
For gaming
4.7
4.6
4.7
4.7
4.7
4.6
Stability
4.7
4.5
4.7
4.7
4.6
4.4
Value for money
4.6
4.2
4.5
4.4
4.3
Sold By
Maestro Technology LLC
Amazon.com
Platinum Micro, Inc.
Amazon.com
World_Fast
Amazon.com
core count
12
1
8
1
8
12
cpu socket
Socket AM4
Socket AM5
Socket AM4
Socket AM5
Socket AM4
Socket AM4
cpu speed
4.6 GHz
3.7 GHz
4.5 GHz
3.8 GHz
4.7 GHz
4.8 GHz
cpu family
ryzen 9 3900x
ryzen 9
amd ryzen 7
ryzen 7
amd ryzen 7
ryzen 9
L2 cache
4.6 MB
12 MB
4 MB
8 MB
1 GB
4 MB
wattage
105 watts
65 watts
105 watts
65 watts
105 watts
105 watts

Looking for specific info?


From the manufacturer

21
12

1

32

32

AMD SenseMI Technology

With AMD SenseMI technology, Ryzen processors use true machine intelligence to accelerate performance.

Zen Core Architecture

Improved energy efficiency, higher clock speeds and more cores than ever before.

AMD Ryzen Master Utility

The simple and powerful overclocking utility for AMD Ryzen processors.

wq

32

2

Precision Boost 2

AMD’s intelligent processors have a sophisticated set of sensors designed to analyze conditions inside your PC and make the “go faster” decision as often as possible.

AMD GameCache

Up to twice the cache of previous generations, GameCache is designed to reduce memory latency for higher frame rates in top titles.

One Click Overclocking

Precision Boost Overdrive uses your motherboard’s robust design to boost clock speeds higher and longer, and lets you overclock 4 at the touch of a button.

Product Description

AMD Ryzen 9 3900X 12 core, 24 thread unlocked desktop processor with Wraith Prism LED cooler.

Product information

Technical Details

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Additional Information

Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
Product Warranty: For warranty information about this product, please click here

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Customer reviews

4.8 out of 5 stars
4.8 out of 5
12,694 global ratings

Customers say

Customers like the performance, value, quality and gaming of the computer processor. They mention that it's fast, well worth the price and that it instills so much value when using it that it’s still surreal. They are also happy with the cooler, stability, and ease of installation. That said, opinions are mixed on temperature.

AI-generated from the text of customer reviews

539 customers mention478 positive61 negative

Customers like the performance of the computer processor. They say that it is huge in performance, handles this processor with no issues, and is fast. Customers are able to run Docker containers very well with this CPU, and many more concurrent instances of them. It is incredible how powerful it is, and does the job well. It stays above 4GHz even fully loaded, and it does not even struggle at all.

"...The game runs so quick with playing with other gamers your mouse will piss you off you will have to lock the frame rates on your mouse and they..." Read more

"...I've been very happy with the performance so far, but I'm absolutely blown away by this processor's ability...." Read more

"...upgraded it here and there (ram and hard drive) and it still runs extremely well. I use it for a lot of things...." Read more

"...Man, this CPU is fast. It's faster than any Intel or AMD that I have ever tested...." Read more

174 customers mention162 positive12 negative

Customers are satisfied with the value of the computer processor. They mention that it is well worth the price, and it instills so much value when using it that it's still surreal. The 2nd gen Ryzen chips were pretty solid for the money, but the 3rd gen leap frogs, making it worth the upgrade from an older processor.

"...This absolutely buries Intel. Worth every penny I put towards it. Now my Ryzen 7 2700 will sit in its plastic case. Trust me I had to do it...." Read more

"...even sweeter when you "just know" you got a great product for a reasonable price, and it will do what you need it to do...." Read more

"...As newer CPU's come out, this will be cheaper and will even be better value for money. Its mops the floor with its intel equivalent...." Read more

"...It comes with proper AM4 brackets and costs less than $100...." Read more

102 customers mention81 positive21 negative

Customers like the quality of the computer processor. For example they say it's an excellent choice for anyone looking to build a high-performance computer. Customers are also impressed with the Wraith coolers, saying they are pretty decent. Overall, customers are happy with their purchase and recommend it to others.

"...It's so good. As newer CPU's come out, this will be cheaper and will even be better value for money...." Read more

"...The stock cooler is very aesthetic and works pretty well for a stock cooler, but I swapped out the CPU cooler for a Cooler Master Hyper 212 Black..." Read more

"...issue I have so I would still imagine for most people the stock cooler is decent enough, not warranting another about $100 for a 3rd party solution..." Read more

"The new Ryzen 3000 series chips are amazing...." Read more

67 customers mention58 positive9 negative

Customers like the gaming capabilities of the computer processor. They mention that it's great at gaming and productivity, and streams at the same time. Some say that the gaming is flawless and it absolutely shreds any game you put at it. It's a great CPU for games, work, and home. Some customers also say that it is amazing for their gaming and editing station, streaming, and more.

"...Eye candy with games coupled with a NVIDIA RTX you will be amazed. Okay not a fanboy of Ryzen but I love this chip...." Read more

"...If you are a gamer, this CPU will play every game very very well...." Read more

"...A great balance for gaming and productivity.*..." Read more

"...The higher clock speed is noticeable, and I benefit greatly from the doubled core count...." Read more

45 customers mention34 positive11 negative

Customers like the cooler that comes with the processor. They say it's surprisingly decent, has a cool fan, and is effective. The RGB fan is a nice touch and adds value to the product.

"...A great balance for gaming and productivity.* Comes with a cooler (honestly it is the best looking stock cooler you will ever own) which..." Read more

"...9 3900X, thanks to its easy-to-follow instructions and included Wraith Prism LED cooler...." Read more

"...it, but i had to update my BIOS(x370 gaming plus) - VERY CUSTOMIZABLE COLORS with the Wraith Prism software...." Read more

"...9 5000's and those are big $$$, +$100 the cost of the 3900x, and no cooler included...." Read more

39 customers mention34 positive5 negative

Customers like the stability of the computer processor. They say it's super stable, powerful, and incredibly reliable. The box has been rock solid to this point without a single hiccup, and it will stay strong for years. It's fast, secure, and easy to overclock, and customers are happy with the high frame rates and stable gameplay all across the board.

"...It will not disappoint and will stay strong for years...." Read more

"...that was overclocked for the 1.5 years I used it it has been incredibly stable...." Read more

"...Not with the AMD. Stability is solid.- I chose the Gigabyte B550i Aorus Pro AX Mobo to pair with it, and I could have probably done better...." Read more

"...It's faster than any Intel or AMD that I have ever tested. It's stable, it's efficient and did I say that it's fast?..." Read more

37 customers mention33 positive4 negative

Customers find the installation process of the computer processor to be easy. For example, they mention that the installation is straight-forward, and they have the AM4 bracket to mount it to. They also mention that it runs like a champ and that they do not need to play with the settings manually.

"...with pre-installed thermal paste which is brilliant and it is very easy to install. (Look at the X570 motherboards for this CPU)..." Read more

"...So far, I am very impressed with this processor. Installation and configuration was almost auto in the BIOS, and it just works fine...." Read more

"...With its blazing-fast speeds, advanced features, and easy installation, the AMD Ryzen 9 3900X is a true standout in the world of PC components...." Read more

"...need another cable for it to work(included in box) - decently easy to install - booted up first try, though probably luck-..." Read more

128 customers mention59 positive69 negative

Customers are mixed about the temperature of the computer processor. Some mention that it runs quietly and cool, while others say that it overheats and shuts down. The cooler stops spinning and the thermal paste is trapped between the chip lid and the chip itself.

"...The cooler is not only stylish, but also highly effective at keeping the processor cool, even under heavy loads...." Read more

"...First off its insanely snappy. Will run a bit hot even with liquid cooling. If you buy this get liquid cooling...." Read more

"...The Wraith Prism LED Cooler that comes with it ensures optimal cooling, and its sleek design adds an attractive aesthetic to any build...." Read more

"...I had a boot loop and overheating/shutdown session. Was able to get into the BIOS and see the CPU temp at 101c Wow!..." Read more

AMD finally delivers professional productivity to main streem PC users
5 Stars
AMD finally delivers professional productivity to main streem PC users
Motherboard: ASRock x370 TaichiCorsair Vengence 3200 RAM 32GB500gb WD Black M.2 NVME boot drive2 TB WD Black 7200 HHD storage drive850w 80+Gold Cooler Master PSAMD r9 3900x Stock Speed (No OC)Cooler Master ML240L AIO Liquid CoolerCooler Master H500P Mesh caseFound that the 3900x was not in stock on launch date, 7/7/19. Set Amazon to notify me when available. Got the message hit the 1-click-puchase button faster than I ever have. The item was purchased 7/8/19 and shipped Tuesday 7/10. I received the CPU safe and well packaged on Friday 7/12, a day earlier than Amazon quoted at time of shipment.After updating the BIOS, and running a few final benchmarks on my Asrock x370 Taichi motherboard, I shut down the system and removed my 1800x (this CPU will go into my daily driver system and relieve my r5 1600 CPU slated to be installed in Mom's PC). Warning! Make sure to move the AIO fan wire out of the way of the CPU die and the cooler surface. I had a boot loop and overheating/shutdown session. Was able to get into the BIOS and see the CPU temp at 101c Wow! LOL no wonder it was shutting off. Anyway after seeing my stupid mistake, and re-seating the AIO cooler, the next boot-up took forever and 10 minutes to boot into Windows. Once Windows recognized the CPU and it was running, I started running some benchmarks.Now, I'm not a gamer, so again I am comparing my work load of video editing and production as well as rendering. With one commercial project alone, I my render time has dropped from around 20 minutes to 12 minutes... that's 40% improvement. I can render some commercial projects up to 4 times per work session. I've been very happy with the performance so far, but I'm absolutely blown away by this processor's ability. Rendering a 1 hour 1080p video usually takes an 1h 10m or so. I re-rendered last week's video and that time dropped down to around 42 minutes. My productivity is going to go through the roof.Spending $500 on one single item that is smaller than the palm of your hand can be mind-blowing for some people. It may also cause some heartache and possibly buyers remorse for others. Here's the deal, when you consider purchasing this CPU, you must do some research. Know exactly what you will be doing with your system to insure the performance gain is there. If you are a gamer, this CPU will play every game very very well. While it never claims to be the best in gaming, it is definitely meant for heavy work loads. What an outstanding and simple upgrade for a system that will provide another 4 years of great productivity.As a side note, I have been eyeing up an AMD Threadripper build for the past 9 months. My work requires high core and thread counts which enable the jobs to render much faster. I had already saved my money to invest into the 2950x and was still saving for the motherboard. Considering the fact that I earn a living with my PC, a professional workstation is in order. While it's exciting to order a new "toy", I hope you plan for something like this. It makes your purchase even sweeter when you "just know" you got a great product for a reasonable price, and it will do what you need it to do. Also, looks like I need to update the name of my system now LOL. It's not an 1800x any longer.Cheers!
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Top reviews from the United States

Reviewed in the United States on April 7, 2020
Style: ProcessorVerified Purchase
14 people found this helpful
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Reviewed in the United States on July 14, 2019
Style: ProcessorVerified Purchase
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5.0 out of 5 stars AMD finally delivers professional productivity to main streem PC users
Reviewed in the United States on July 14, 2019
Motherboard: ASRock x370 Taichi
Corsair Vengence 3200 RAM 32GB
500gb WD Black M.2 NVME boot drive
2 TB WD Black 7200 HHD storage drive
850w 80+Gold Cooler Master PS
AMD r9 3900x Stock Speed (No OC)
Cooler Master ML240L AIO Liquid Cooler
Cooler Master H500P Mesh case

Found that the 3900x was not in stock on launch date, 7/7/19. Set Amazon to notify me when available. Got the message hit the 1-click-puchase button faster than I ever have. The item was purchased 7/8/19 and shipped Tuesday 7/10. I received the CPU safe and well packaged on Friday 7/12, a day earlier than Amazon quoted at time of shipment.

After updating the BIOS, and running a few final benchmarks on my Asrock x370 Taichi motherboard, I shut down the system and removed my 1800x (this CPU will go into my daily driver system and relieve my r5 1600 CPU slated to be installed in Mom's PC). Warning! Make sure to move the AIO fan wire out of the way of the CPU die and the cooler surface. I had a boot loop and overheating/shutdown session. Was able to get into the BIOS and see the CPU temp at 101c Wow! LOL no wonder it was shutting off. Anyway after seeing my stupid mistake, and re-seating the AIO cooler, the next boot-up took forever and 10 minutes to boot into Windows. Once Windows recognized the CPU and it was running, I started running some benchmarks.

Now, I'm not a gamer, so again I am comparing my work load of video editing and production as well as rendering. With one commercial project alone, I my render time has dropped from around 20 minutes to 12 minutes... that's 40% improvement. I can render some commercial projects up to 4 times per work session. I've been very happy with the performance so far, but I'm absolutely blown away by this processor's ability. Rendering a 1 hour 1080p video usually takes an 1h 10m or so. I re-rendered last week's video and that time dropped down to around 42 minutes. My productivity is going to go through the roof.

Spending $500 on one single item that is smaller than the palm of your hand can be mind-blowing for some people. It may also cause some heartache and possibly buyers remorse for others. Here's the deal, when you consider purchasing this CPU, you must do some research. Know exactly what you will be doing with your system to insure the performance gain is there. If you are a gamer, this CPU will play every game very very well. While it never claims to be the best in gaming, it is definitely meant for heavy work loads. What an outstanding and simple upgrade for a system that will provide another 4 years of great productivity.

As a side note, I have been eyeing up an AMD Threadripper build for the past 9 months. My work requires high core and thread counts which enable the jobs to render much faster. I had already saved my money to invest into the 2950x and was still saving for the motherboard. Considering the fact that I earn a living with my PC, a professional workstation is in order. While it's exciting to order a new "toy", I hope you plan for something like this. It makes your purchase even sweeter when you "just know" you got a great product for a reasonable price, and it will do what you need it to do. Also, looks like I need to update the name of my system now LOL. It's not an 1800x any longer.

Cheers!
Images in this review
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Customer imageCustomer image
92 people found this helpful
Report
Reviewed in the United States on February 25, 2021
Style: ProcessorVerified Purchase
One person found this helpful
Report

Top reviews from other countries

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Luis
5.0 out of 5 stars O melhor do mercado!
Reviewed in Brazil on April 14, 2021
Style: ProcessorVerified Purchase
4 people found this helpful
Report
Luis González
5.0 out of 5 stars Volví a enamorarme de AMD
Reviewed in Mexico on January 23, 2021
Style: ProcessorVerified Purchase
Customer image
Luis González
5.0 out of 5 stars Volví a enamorarme de AMD
Reviewed in Mexico on January 23, 2021
Yo desde que pude elegir mi PC siempre elegí AMD, pero como muchos saben, hubo un tiempo en que sus procesadores no daban la calidad o rendimiento deseable ante la competencia, motivo por el cual me cambié a intel por un par de años. Desde la llegada de ryzen todo eso cambió y eso provocó que volviera a donde pertenezco. Debo decir que si, si ustedes buscan reviews en Internet, el nuevo ryzen 7 5700x le da vuelta a este procesador en juegos por el mismo precio, pero en productividad esos núcleos extra siguen dándole una ventaja interesante tanto con el ryzen 7 así como contra intel y lo que pudiera ofrecer (para productividad) por lo que debo decirles que aún en 2021 es una excelente alternativa este modelo (y no sus hermanos mayores de la serie 3000) tanto por el precio como por el hecho que su dicipador de stock es perfecto para mantenerlo fresco sin problema alguno, es un procesador maravilloso para trabajar y para el gaming se defiende aún sin problema alguno. Quizás si hubiera una queja seria la poca pasta térmica que trae de stock, pero nada que al cabo de 1 año o 2 puedas cambiar por una de mejor calidad. Como dato adicional ese cooler que trae va perfecto para poner todas las rams sin problemas siempre que no sean exageradamente altas, aunque bueno, si le vas a acompañar con rams con dicipadores altos (por ende rams costosas) invertir en un enfriamiento líquido no suena a mala idea.
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3 people found this helpful
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Pawel.MM
1.0 out of 5 stars uwazac
Reviewed in Poland on June 28, 2021
Style: ProcessorVerified Purchase
One person found this helpful
Report
Sean Donovan
5.0 out of 5 stars Hot (in not the good way) [Update April 2022]
Reviewed in Canada on July 8, 2020
Style: ProcessorVerified Purchase
7 people found this helpful
Report
Raffaele Franco
5.0 out of 5 stars Processore al top della categoria consumer per qualsiasi uso, gaming compreso
Reviewed in Italy on December 23, 2020
Style: ProcessorVerified Purchase