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expirediconian | Staff posted Sep 19, 2025 4:48 PM

KAMRUI AM21 Mini PC: Ryzen 9 6900HX, 16GB DDR5, 512GB SSD

$276

$429

35% off
+ Free Shippingat Amazon
46.7K Views
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Deal Details
KAMRUI Direct via Amazon has KAMRUI AM21 Mini PC on sale for $359 - $82.57 (23%) off when you apply promo code UXKF346V on the checkout page = $276.43. Shipping is free.

Thanks to Deal Editor iconian for sharing this deal.

Specs:
  • AMD Zen3 Ryzen 9 6900HX 8-cores, 16 threads (3.3GHz Base / 4.9GHz Turbo) Processor
  • 16GB DDR5 4800MHz RAM Memory (Upgradable to 64GB)
  • 512GB M.2 2280 NVMe PCIe storage (Dual NVMe PCIe 4.0 SSD Slots)
  • AMD Radeon 680M 2400MHz GPU Graphics
  • Dual LAN + Wi-Fi 6 + Bluetooth 5.2
  • Ports:
    • 2x HDMI 2.1
    • 1x USB 3.2 Type-C (DP 1.4 supports output up to 4K@60Hz)
    • 4x USB 3.2 Gen2 Type-A Port (2x Front, 2x Back)
    • 1x USB 4 port (40Gbps transfer speed/DP1.4 (4k@60Hz))
    • 2x Ethernet ports (1x 2.5Gbps Ethernet, 1x 1Gbps Ethernet)
    • 1x Audio/microphone
    • 1x DC jack (19V/4.74A90W)

Editor's Notes

  • About this Store:
  • Additional Information:
    • Please see the original post for additional details and/or view the Wiki and forum comments for further helpful discussion if available.

Original Post

Written by iconian | Staff
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
KAMRUI Direct via Amazon has KAMRUI AM21 Mini PC on sale for $359 - $82.57 (23%) off when you apply promo code UXKF346V on the checkout page = $276.43. Shipping is free.

Thanks to Deal Editor iconian for sharing this deal.

Specs:
  • AMD Zen3 Ryzen 9 6900HX 8-cores, 16 threads (3.3GHz Base / 4.9GHz Turbo) Processor
  • 16GB DDR5 4800MHz RAM Memory (Upgradable to 64GB)
  • 512GB M.2 2280 NVMe PCIe storage (Dual NVMe PCIe 4.0 SSD Slots)
  • AMD Radeon 680M 2400MHz GPU Graphics
  • Dual LAN + Wi-Fi 6 + Bluetooth 5.2
  • Ports:
    • 2x HDMI 2.1
    • 1x USB 3.2 Type-C (DP 1.4 supports output up to 4K@60Hz)
    • 4x USB 3.2 Gen2 Type-A Port (2x Front, 2x Back)
    • 1x USB 4 port (40Gbps transfer speed/DP1.4 (4k@60Hz))
    • 2x Ethernet ports (1x 2.5Gbps Ethernet, 1x 1Gbps Ethernet)
    • 1x Audio/microphone
    • 1x DC jack (19V/4.74A90W)

Editor's Notes

  • About this Store:
  • Additional Information:
    • Please see the original post for additional details and/or view the Wiki and forum comments for further helpful discussion if available.

Original Post

Written by iconian | Staff

Community Voting

Deal Score
+43
Good Deal
Visit Amazon

Top Comments

cuoreesitante
2103 Posts
711 Reputation
Perfect Steam box. This is more powerful than the Steamdeck btw, get a BT controller, plug this into the TV, and you got awesome console experience for around 300 bucksm
sirksel
64 Posts
86 Reputation
I bought this yesterday. Arrived today. Tried to do clean win install with Ventoy and 11pro 25H2. A few Realtek and AMD driver issues but worked out all but one unknown device (ven_1022&dev_15e2). Still working on that one, but likely will get it sorted. Does run a little hot, but no major issues yet. It is snappy and only $150 more than the prior deal on an N150 for an R9. I guess I'm willing to take the gamble. Will update if I have any throttling or thermal shutdowns in my testing.

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24 Comments

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Sep 22, 2025 4:23 AM
2.1K Comments
Joined Aug 2008
cuoreesitanteSep 22, 2025 4:23 AM
2,103 Posts
Perfect Steam box. This is more powerful than the Steamdeck btw, get a BT controller, plug this into the TV, and you got awesome console experience for around 300 bucksm
Sep 22, 2025 1:25 PM
10 Comments
Joined May 2018
Save-elloSep 22, 2025 1:25 PM
10 Posts
The price is $359 for me on Amazon.
2
Sep 22, 2025 2:38 PM
2.9K Comments
Joined Dec 2008
Marlin1975Sep 22, 2025 2:38 PM
2,897 Posts
Quote from Save-ello :
The price is $359 for me on Amazon.

coupon code UXKF346V
1
Sep 22, 2025 3:35 PM
270 Comments
Joined Aug 2015
SilmeSep 22, 2025 3:35 PM
270 Posts
Heat issues in the reviews...
2
Sep 22, 2025 5:32 PM
3 Comments
Joined Apr 2025
SensibleTeam8188Sep 22, 2025 5:32 PM
3 Posts
All the 5 star reviews have to be bots/boughten. No one who isn't being paid, review's like that. I'ma have to skip this one
1
1
Sep 22, 2025 5:43 PM
308 Comments
Joined Apr 2018
TrevynASep 22, 2025 5:43 PM
308 Posts

Our community has rated this post as helpful. If you agree, why not thank TrevynA

Quote from SensibleTeam8188 :
All the 5 star reviews have to be bots/boughten. No one who isn't being paid, review's like that. I'ma have to skip this one
You're right. They are clearly worded by an AI. I would suggest someone find a YouTube review of this PC or at least of another PC from this brand before buying.
1
Sep 22, 2025 8:07 PM
52 Comments
Joined Feb 2013
SalduchiSep 22, 2025 8:07 PM
52 Posts
No operating system?

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Sep 22, 2025 9:48 PM
910 Comments
Joined Dec 2008
gershon21Sep 22, 2025 9:48 PM
910 Posts
Quote from SensibleTeam8188 :
All the 5 star reviews have to be bots/boughten. No one who isn't being paid, review's like that. I'ma have to skip this one
I'm always tempted to buy and see if they'll pay me!
1
Sep 23, 2025 1:31 AM
456 Comments
Joined Mar 2009
djdumbbiiSep 23, 2025 1:31 AM
456 Posts
I guess I'll pass, no way to hook up an external GPU with OCuLink, maybe if they also had an available NVMe slot to rig this up and then get this put in another 3D printed enclosure to battle with the heat issues then it'll be worth a shot.
Sep 23, 2025 1:40 AM
530 Comments
Joined May 2014
CharlesCCCSep 23, 2025 1:40 AM
530 Posts
i wouldn't buy from this brand, purchased one over a year ago. couple days ago, it died for no reason, and the customer service is not offering any help besides provide 10% discount code to buy another.
1
2
Sep 23, 2025 2:42 AM
64 Comments
Joined Jun 2014
sirkselSep 23, 2025 2:42 AM
64 Posts
I bought this yesterday. Arrived today. Tried to do clean win install with Ventoy and 11pro 25H2. A few Realtek and AMD driver issues but worked out all but one unknown device (ven_1022&dev_15e2). Still working on that one, but likely will get it sorted. Does run a little hot, but no major issues yet. It is snappy and only $150 more than the prior deal on an N150 for an R9. I guess I'm willing to take the gamble. Will update if I have any throttling or thermal shutdowns in my testing.
Sep 23, 2025 3:30 AM
6.1K Comments
Joined Nov 2013
ROB.E.REINSep 23, 2025 3:30 AM
6,137 Posts
Quote from sirksel :
I bought this yesterday. Arrived today. Tried to do clean win install with Ventoy and 11pro 25H2. A few Realtek and AMD driver issues but worked out all but one unknown device (ven_1022&dev_15e2). Still working on that one, but likely will get it sorted. Does run a little hot, but no major issues yet. It is snappy and only $150 more than the prior deal on an N150 for an R9. I guess I'm willing to take the gamble. Will update if I have any throttling or thermal shutdowns in my testing.
Same, could not figure out this missing driver.
Sep 23, 2025 4:22 AM
904 Comments
Joined Aug 2016
nighth3kSep 23, 2025 4:22 AM
904 Posts
Quote from TrevynA :
Quote from SensibleTeam8188 :
All the 5 star reviews have to be bots/boughten. No one who isn't being paid, review's like that. I'ma have to skip this one
You're right. They are clearly worded by an AI. I would suggest someone find a YouTube review of this PC or at least of another PC from this brand before buying.
I bought a different model (E3B) from this company about a month ago. It's been working fine for me since. Happy to answer any questions.
Sep 23, 2025 5:18 AM
240 Comments
Joined Jan 2013
JakeVSep 23, 2025 5:18 AM
240 Posts
Kamrui is known to offer stuff to people for free in exchange for a highly-detailed five star review. They're not worded by AI, but they are overly descriptive compared to what a typical person would say, because they want to get reimbursed for the item and that's what it takes.

I've had a Kamrui mini PC. Spec-wise it's great for the price. . . but it only lasted about a year before I wasn't getting so much as a boot into BIOS, and no beep codes.
1

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Sep 23, 2025 6:54 AM
250 Comments
Joined Dec 2005
OzzuneojSep 23, 2025 6:54 AM
250 Posts
Just curious... has anyone who owns this model with the 6900HX ever tried running it on a TV at 4k 120Hz with full RGB\4:4:4 (not having to use chroma sub sampling, like 4:2:2) over HDMI? The specs on almost all similar mini PCs explicitly advertise "4k 60Hz" over and over, despite the fact that the hardware seemingly should be able to go higher.

I spoke with a seller on Aliexpress a while back about this and he said that these high end 6000 series chips that are put into cheap mini PCs are all engineering samples and have 4k 120Hz support disabled for whatever reason, even though the Radeon 680M should be able to do it easily via HDMI 2.1.
Before anyone asks: I'm not talking about playing modern games at that res, I'm talking about whether the system will actually successfully output that resolution at 120Hz on the desktop.

I'm inclined to believe them. These mini PC companies are more likely to embellish specs, so they would probably not under-sell the maximum resolution unless it was genuinely incapable of doing it. It used to be that you just had to be sure it had HDMI 2.1 ports rather than 2.0, but when the standard was renamed a few years ago it means that "HDMI 2.1" no longer means anything.

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