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

4.9 out of 5 stars 11,929 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Computer CPU Processors by AMD

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

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  • The world's most advanced processor in the desktop PC gaming segment
  • Can deliver Ultra-fast 100+ 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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  • AMD Ryzen 9 3900X 12-core, 24-thread unlocked desktop processor with Wraith Prism LED Cooler
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  • ASUS ROG Strix B550-F Gaming (WiFi 6) AMD AM4 Zen 3 Ryzen 5000 & 3rd Gen Ryzen ATX Gaming Motherboard (PCIe 4.0, 2.5Gb LAN, B
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  • Corsair Vengeance RGB PRO 16GB (2x8GB) DDR4 3200MHz C16 LED Desktop Memory - Black
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Product Description

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

Compare with similar items


AMD Ryzen 9 3900X 12-core, 24-thread unlocked desktop processor with Wraith Prism LED Cooler
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AMD Ryzen 7 3800X 8-Core, 16-Thread Unlocked Desktop Processor with Wraith Prism LED Cooler
AMD Ryzen 7 3700X 8-Core, 16-Thread Unlocked Desktop Processor with Wraith Prism LED Cooler
AMD Ryzen 5 3600 6-Core, 12-Thread Unlocked Desktop Processor with Wraith Stealth Cooler
Customer Rating 4.9 out of 5 stars (11929) 4.8 out of 5 stars (2351) 4.8 out of 5 stars (7239) 4.9 out of 5 stars (24395) 4.8 out of 5 stars (38246)
Price $524.99 $775.00 $289.99 $309.99 $188.95
Sold By Micom Pro Maestro Technology LLC PC Parts Sales Wayfurb Inc. DealsPro1
CPU Model Ryzen 9 3900X Ryzen 9 3950X AMD Ryzen 7 AMD Ryzen 7 Ryzen 5 3600
CPU Model Manufacturer AMD AMD AMD AMD AMD
CPU Socket Socket AM4 Socket AM4 Socket AM4 Socket AM4 Socket AM4
CPU Speed 4.6 GHz 4.7 GHz 4.5 GHz 4.4 GHz 4.2 GHz
Item Dimensions 1.57 x 1.57 x 0.24 inches 1.57 x 1.57 x 0.24 inches 1.57 x 1.57 x 0.24 inches 1.57 x 1.57 x 0.24 inches 1.57 x 1.57 x 0.24 inches
Item Weight 1.60 ounces 6.07 ounces 1.40 lbs 1.40 lbs 1.60 ounces
Model Year 2019 2019 2019 2019 2019
Processor Count 12 16 8 8 6
Wattage 105 watts 105 watts 105 watts 65 watts 65 watts

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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.
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4.9 out of 5 stars
4.9 out of 5
11,929 global ratings

Top reviews from the United States

Reviewed in the United States on July 16, 2019
Style: ProcessorVerified Purchase
2,188 people found this helpful
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Reviewed in the United States on July 7, 2019
Style: Processor
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5.0 out of 5 stars RIP Intel
Reviewed in the United States on July 7, 2019
Intel's coffin has arrived.

Coming from an i5-7600k never have a been able to multitask so smoothly with an Intel CPU.
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882 people found this helpful
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Reviewed in the United States on July 9, 2019
Style: ProcessorVerified Purchase
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5.0 out of 5 stars Powerhouse
Reviewed in the United States on July 9, 2019
Phenomenal CPU, absolutely crushes Intel's 9900k (which is roughly the same price) at most tasks. Intel does have a slightly higher base clock speed so it has a slight edge on single core benchmarks - though this 3900x has plenty of room for overclocking and exceeds the Intel at single core tasks for the same clock speed.

The extra cores and threads on this CPU set it above the rest for real-world tests and multicore benchmarks. Excellent CPU for streaming, gaming, video editing/rendering, and just about anything else.

The only reason not to buy this is if you are going to wait for the 3950x in September, which has 2 more cores and 4 more threads for $250 more.

I highly recommend this CPU, and also suggest pairing it with one of the new x570 motherboards - I have the ASUS Crosshair VIII Hero myself and love it.

Update: Cable management is important of course. CPU cooler that ships with this CPU is solid, haven't had any issues so far.
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502 people found this helpful
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Reviewed in the United States on July 14, 2019
Style: ProcessorVerified Purchase
391 people found this helpful
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Reviewed in the United States on July 13, 2019
Style: ProcessorVerified Purchase
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5.0 out of 5 stars Insane performance even with reduced power cap set
Reviewed in the United States on July 13, 2019
I managed to get it from Amazon by watch-dogging the page, but it took some effort because it barely stays up for a few minutes before people snap whatever stock there is up. Hopefully the supply pipe will iron itself out so others aren't left just staring at pictures!

The 3900X... well, its just insane. As you can see I'm not using it on a desktop, so no gaming reviews here :-). I actually have it in a rack doing bulk application builds, and in that regard the performance is really bordering on the insane side. It wipes the floor with whatever I throw at it. I have it in an ASRock B450M-PRO4 motherboard which worked great after (of course) I updated the BIOS.

In this particular case I tested the CPU to around 150W on the socket (200W at the wall) and it performed excellently. For my particular use-case, though, since I stuffed it into a 2U rack mount with a low-profile 65W air cooler, I decided that things were a little too toasty so I used the BIOS setup to limit the socket to 100W (150W at the wall). The CPU is still a beast even limited in that fashion. The 3900X at 100W socket (150W wall) is twice as fast as my 2700X is at 190W (wall), and ever faster if I let it stretch its legs. It blows away everything I have except my TR2990WX. I am very, very impressed.

I will throw in a few provisios here for early adopters. First, if you intend to stuff a Zen 2 CPU into an older motherboard remember that you have to update the BIOS first. Second, the BIOSes are really early and some motherboard vendors haven't gotten updates out with the latest AMD AGESA, so if you are an early adopter on an older motherboard be prepared to face some difficulty. I didn't have any problem with the B450M-PRO4 that I stuffed this 3900X into but I am having trouble POSTing a 3600X on a B350 Gaming-itx/ac. It's clearly just an early BIOS issue since once I do get it to POST successfully (takes a number of tries), the system is rock solid.

Third, I do NOT recommend that anyone try to overclock on these early BIOSes. Wait for the BIOSes to mature a bit more because trying to do it on these early BIOSes runs a real risk of burning your chip up.

Other than that, enjoy! It's an incredible CPU.

-Matt
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Top reviews from other countries

GD
1.0 out of 5 stars Je me suis fais agressé au téléphone par le vendeur
Reviewed in France on November 30, 2019
Style: ProcessorVerified Purchase
307 people found this helpful
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Rudolf Zemann
4.0 out of 5 stars Sehr gute CPU, aber .....
Reviewed in Germany on December 11, 2019
Style: ProcessorVerified Purchase
176 people found this helpful
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JLX
5.0 out of 5 stars Rendimiento increible con ESXi 6.7, se puede usar como servidor en una pyme
Reviewed in Spain on October 24, 2019
Style: ProcessorVerified Purchase
130 people found this helpful
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Rezensent
4.0 out of 5 stars Sehr gute CPU, läuft auf X370, schwer zu kühlen, Upgrade lohnt sich nicht für jeden
Reviewed in Germany on January 7, 2020
Style: ProcessorVerified Purchase
128 people found this helpful
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MikeH
5.0 out of 5 stars Amazon is terrible at product titles. Great CPU though!
Reviewed in Canada on September 14, 2019
Style: ProcessorVerified Purchase
70 people found this helpful
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