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Used: Very Good | Details
Condition: Used: Very Good
Comment: Minor cosmetic imperfection on top, front or sides of item. Missing bonus material. Item will come in original packaging. Packaging will be damaged.

ASUS Prime Z390-A Motherboard LGA1151 (Intel 8th And 9th Gen) ATX DDR4 DP HDMI M.2 USB 3.1 Gen2 Gigabit LAN

4.7 out of 5 stars 3,661 ratings

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About this item

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  • Designed for 9th and 8th generation Intel Core processors to maximize connectivity and speed with M. 2, USB 3. 1 Gen2 and ASUS Optimum II for better DRAM overclocking stability
  • Revamped 5-Way Optimization that has the intelligence to overclock a CPU based on smart prediction and thermal telemetry. OptiMem II: Careful routing of traces and vias, plus ground layer optimizations to preserve signal integrity for improved memory overclocking
  • 5X Protection III Hardware-level safeguards with Safe Slot Core, LAN Guard, Over voltage Protection provide longevity, reliability. FanXpert 4 delivers advanced fan control for dynamic system cooling
  • Patent-pending Safe Slot Core fortified PCIe slots prevent damage caused by heavyweight GPUs
  • 8-channel HD Gaming Audio featuring Realtek ALC887 high definition audio codec

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From the manufacturer

ROG Maximus XI Code ROG Maximus XI Formula ROG Maximus XI Hero (WI-FI) ROG STRIX Z390-E Gaming TUF Z390-Pro Gaming Prime Z390-A
Intel Socket 1151 for Intel Core 9000 series, 8th Generation Core i7/ i5/ i3, Pentium and Celeron processors Intel Socket 1151 for Intel Core 9000 series, 8th Generation Core i7/ i5/ i3, Pentium and Celeron processors Intel Socket 1151 for Intel Core 9000 series, 8th Generation Core i7/ i5/ i3, Pentium and Celeron processors Intel Socket 1151 for Intel Core 9000 series, 8th Generation Core i7/ i5/ i3, Pentium and Celeron processors Intel Socket 1151 for Intel Core 9000 series, 8th Generation Core i7/ i5/ i3, Pentium and Celeron processors Intel Socket 1151 for 8th Generation Core Pentium/Celeron Processors
Intel Z390 Chipset Intel Z390 Chipset Intel Z390 Chipset Intel Z390 Chipset Intel Z390 Chipset Intel Z390 Chipset
4 / 64 GB DDR4 4133+ MHz(O.C.) 4 / 64 GB DDR4 4400+ MHz(O.C.) 4 / 64 GB DDR4 4400+ MHz(O.C.) 4 / 64 GB DDR4 4266+ MHz (O.C.) 4 / 64 GB DDR4 4133+ MHz(O.C.) 4 / 64 GB DDR4 4266+ MHz (O.C.)
2 @ x16 or x8/x8 or x8/x4+x4 "1 max @ x4" 2 @ x16 or x8/x8 or x8/x4+x4 "1 max @ x4" 2 @ x16 or x8/x8 or x8/x4+x4 "1 max @ x4" 2 @ x16 or x8/x8 or x8/x4+x4 "1 max @ x4" 2 @ x16 or x8/x8 or x8/x4+x4 "1 max @ x4" 2 @ x16 or x8/x8 or x8/x4+x4 "1 max @ x4"
HDMI HDMI HDMI/DP HDMI/DP HDMI/DP HDMI/DVI-D ports 
SupremeFX S1220A SupremeFX S1220A SupremeFX S1220A SupremeFX S1220A Realtek S1200A 8-channel high definition audio Realtek ALC S1220A featuring Crystal Sound 3
1 x M.2 2242-22110(PCIE3.0 x 4 + SATA) "1 x M.2 2242-2280 (PCIe 3.0 x 4)" 1 x M.2 2242-22110(PCIE3.0 x 4 + SATA) "1 x M.2 2242-2280 (PCIe 3.0 x 4)" 1 x M.2 2242-22110(PCIE3.0 x 4 + SATA) "1 x M.2 2242-2280 (PCIe 3.0 x 4)" 1 x M.2 2242-22110(PCIE3.0 x 4 + SATA) "1 x M.2 2242-2280 (PCIe 3.0 x 4)" 1 x M.2 2242-22110(PCIE3.0 x 4 + SATA) "1 x M.2 2242-2280 (PCIe 3.0 x 4)" 1 x M.2 2242-22110(PCIE3.0 x 4 + SATA) "1 x M.2 2242-2280 (PCIe 3.0 x 4)"
2x2 MU-MIMO 802.11ac 2x2 MU-MIMO 802.11ac 2x2 MU-MIMO 802.11ac 2x2 MU-MIMO 802.11ac Intel I219-V Intel I219-V
Yes Yes Yes Yes Yes Yes
ATX ATX ATX ATX ATX ATX

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GIGABYTE Z390 AORUS PRO Wi-Fi (Intel LGA1151/Z390/ATX/2xM.2 Thermal Guard/Onboard AC Wi-Fi/RGB Fusion/Gaming Motherboard)
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ASUS TUF Z390-Plus Gaming (Wi-Fi) LGA1151 (Intel 8th and 9th Gen) DDR4 DP HDMI M.2 Z390 ATX Motherboard 802.11ac Wi-Fi USB 3.1 Gen2
See Details
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Customer Rating 4.7 out of 5 stars (3661) 4.6 out of 5 stars (930) 4.6 out of 5 stars (3117) 4.6 out of 5 stars (1508) 4.6 out of 5 stars (283) 4.6 out of 5 stars (805)
Price $111.49 $125.00 $129.99 $191.99 $162.99 $238.88
Sold By Amazon Warehouse Amazon.com Amazon.com Amazon.com Amazon.com Tech Deal Professional (S/N recorded)
CPU Socket LGA 1151 LGA 1151 LGA 1151 LGA 1151 LGA 1200 LGA 1151
Device Type Motherboards Motherboards Motherboards Motherboards Motherboards
Item Dimensions 12.91 x 2.68 x 10.35 inches 12 x 9.6 x 1.2 inches 12 x 9.6 x 1.2 inches 13.18 x 10.62 x 3.14 inches 12.91 x 10.41 x 2.09 inches 12.91 x 2.09 x 10.34 inches
Item Weight 2.23 lbs 1.52 lbs 3.53 ounces 3.09 lbs 1.60 lbs 2.95 lbs
Memory Slots Available 4.0 4.0 4.0 4.0 4 4.0
RAM Memory Technology DDR4 DDR4 DDR4 DDR4 DDR4 DDR4
Supported Motherboard ATX ATX ATX ATX ATX ATX

Product description

Style:Motherboard Only

Designed for 9th generation Intel Core processors, the Prime Z390 A delivers maximum performance with customizable style. 5 Way Optimization provides AI overclocking and dynamic fan calibration while dual M.2 and USB 3.1 Gen2 delivers maximum transfer speeds. Aura Sync RGB with addressable headers customize your build. Manageability : WfM 2.0, DMI 3.0, WOL by PME, PXE.

Product information

Style:Motherboard Only

Technical Details

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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

4.7 out of 5 stars
4.7 out of 5
3,661 global ratings
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Top reviews from the United States

Reviewed in the United States on October 26, 2018
Style: Motherboard OnlyVerified Purchase
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5.0 out of 5 stars So far, so good
By gargamel314 on October 26, 2018
There were no reviews on this, so I felt like I was taking a bit of a risk, but considering the ASUS Z370-A MB was popular in reviews, I went for the Z390 Prime-A. I am glad I did. I am not a gamer, I work with DAWs and rendering video. I loaded it up with the i7-8700k and 16GB of G.Skill RAM, and the first boot (which I expected to be a disaster) ended up working flawlessly. I didn't expect it to have AURA RGB lighting, that was a fun surprise, but so far it is living up to all of its product description without any problems. The only trouble I ran into was installing drivers. For some reason, the included ASUS DVD would not let me install LAN or audio drivers, I had to find those driver directories on the DVD-ROM and install them by clicking "run as administrator."

I went with ASUS because their BIOS gives you complete control over your PC by letting you change anything you want. It has an excellent GUI whether you aren't sure what you are doing, or you are an advanced user. The overclocking software and fan control software are very easy to use, and probably the best (and safest) way to learn how to control your PC hardware.

UPDATE - 1 year later

I recently damaged this motherboard, and had to replace it. I looked through ASUS' other products, and determined, this was still the BEST choice for my needs and ended up replacing it with this exact one. It has tons of USB 3.0 and 3.1 ports, I have had no hassle with any of its features, except for the sound. I use 2 Mackie powered monitors for speakers, and I have a 1/8 stereo --> 2 RCA Y cable going into them. I would continually get buzzing noise interference from the GPU through the speakers. Replacing the GPU made no difference. Replacing the motherboard also makes no difference. If you end up with this problem, here is the fix: Buy a Ground Loop Noise Isolator (for car stereos) for $8 on Amazon. It may be a defect, or it might just be the wiring in my house, but if the ASUS folks are paying attention, you should build these into your systems!

The AI Suite Software turned out to be ridiculously dense - full of options and features to control your case fans and CPU cooler, OC your CPU (and GPU if it's an ASUS make), conserve power when you don't really need all the speed, and it will even call up OC settings when you open specific apps. This should be a much bigger selling point than it appears to be.

Other quirks - The RGB is 12V only! If you end up getting something with a 3 pin connector, or Addressable RGB, I found this amazing adapter if you search: DeepCool RGB Converter ($15) and you can plug other RGB devices in don't work with Aura, and it will let you use them with your RGB headers on this motherboard. The 3 orange fans in the attached photo are "addressable RGB" fans that aren't compatible with Aura, but are now controlled by Aura.

This is probably the best motherboard when it comes to people like me who do a lot of work with DAWs, Video editing, and occassional gaming with one GPU. Apparently if you use the other PCIE port, it only runs at 8x native instead of 16x. This is fine if you're not trying to reap all the performance you can out of 2 video cards.

It is also nice to have an upgrade path for the day I want to beef up my system in the future. I'm already making my plans for a X-series processor when they're "old" and affordable a few years down the road. I am still very satisfied with the unit and plan on using it for years to come.
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139 people found this helpful
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Reviewed in the United States on November 17, 2019
Style: Motherboard OnlyVerified Purchase
98 people found this helpful
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Reviewed in the United States on October 28, 2018
Style: Motherboard OnlyVerified Purchase
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5.0 out of 5 stars Aura sync works awsome. 5.1 ghz on all six cores.
By Maaacey on October 28, 2018
So far so good. New build. Cooler Master H500 ATX Mid, Thermaltake Grand RGB 750w, Cooler Master 200mm rgb top fan, Intel I5 9600k, Samsung 970 Evo 250 GB, Fenvi Dual band 9260 wireless adapter, 16 GB G-Skill RGB 3000mhz DDR4, Cooler Master ml120l. Will update when done tweaking.
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91 people found this helpful
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Reviewed in the United States on November 22, 2018
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79 people found this helpful
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Reviewed in the United States on December 25, 2018
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60 people found this helpful
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Reviewed in the United States on December 30, 2018
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42 people found this helpful
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Reviewed in the United States on December 5, 2018
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33 people found this helpful
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Reviewed in the United States on December 16, 2018
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35 people found this helpful
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Top reviews from other countries

4.0 out of 5 stars 安心
Reviewed in Japan on August 3, 2019
Style: Motherboard OnlyVerified Purchase
41 people found this helpful
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Bruno Meunier
1.0 out of 5 stars Updated BIOS, but the new BIOS doesn't work well.
Reviewed in Canada on November 7, 2019
Style: Motherboard OnlyVerified Purchase
6 people found this helpful
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Dale Anderson
4.0 out of 5 stars Pleased with this Motherboard
Reviewed in Canada on March 21, 2020
Style: Motherboard OnlyVerified Purchase
4 people found this helpful
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Yury Dzialiamba
1.0 out of 5 stars Really bad sound quality
Reviewed in Canada on December 6, 2019
Style: Motherboard OnlyVerified Purchase
6 people found this helpful
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Santiago Zabalgoitia
3.0 out of 5 stars Buena tarjeta madre con un VRM de mala calidad
Reviewed in Mexico on December 4, 2019
Style: Motherboard OnlyVerified Purchase
4 people found this helpful
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