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Prime Members: Kamrui E3B Mini PC: Ryzen 5 7430U, 32GB DDR4, 512GB SSD
$264
$400
34% off
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Update: This popular offer is still available.
KAMRUI-Shop via Amazon has for Prime Members: Kamrui E3B Mini PC on sale for $329.99 - $66 with promo code PC7430MINI applied at checkout = $263.99. Shipping is free.
Thanks to Community Member Dr.W for sharing this deal.
KAMRUI-Shop via Amazon has for Prime Members: Kamrui E3B Mini PC on sale for $329.99 - $66 with promo code PC7430MINI applied at checkout = $263.99. Shipping is free.
Thanks to Community Member Dr.W for sharing this deal.
- Note: You must be logged in to clip coupons or apply promo codes. Coupons/Promo codes are typically single-use, may vary by account or may need to be re-applied in order to discount properly.
- AMD Ryzen 5 7430U 6 Core Processor, up to 4.3 GHz
- AMD Radeon RX Vega 7 Integrated Graphics
- 32GB DDR4 Memory
- 512GB M.2 2280 PCIe NVMe Solid State Drive
- WiFi 6, Bluetooth 5.2
- Windows 11 Home
- Ports:
- 2x USB3.2 Gen2 (10Gbps)
- 4x USB3.2 Gen1 (5Gpbs)
- 1x USB-C (10Gbps)
- 1x HDMI 2.0
- 1x DP1.4b
- 1x Gigabyte Ethernet
- 1x3.5mm Audio Jack
Editor's Notes
Written by johnny_miller | Staff- At the time of this posting, our research indicates that this is $15.01 lower than the next best comparable online prices starting from $279.
- Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.
- If you're not a student, there's also a free 1-Month Amazon Prime trial available.
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Update: This popular offer is still available.
KAMRUI-Shop via Amazon has for Prime Members: Kamrui E3B Mini PC on sale for $329.99 - $66 with promo code PC7430MINI applied at checkout = $263.99. Shipping is free.
Thanks to Community Member Dr.W for sharing this deal.
KAMRUI-Shop via Amazon has for Prime Members: Kamrui E3B Mini PC on sale for $329.99 - $66 with promo code PC7430MINI applied at checkout = $263.99. Shipping is free.
Thanks to Community Member Dr.W for sharing this deal.
- Note: You must be logged in to clip coupons or apply promo codes. Coupons/Promo codes are typically single-use, may vary by account or may need to be re-applied in order to discount properly.
- AMD Ryzen 5 7430U 6 Core Processor, up to 4.3 GHz
- AMD Radeon RX Vega 7 Integrated Graphics
- 32GB DDR4 Memory
- 512GB M.2 2280 PCIe NVMe Solid State Drive
- WiFi 6, Bluetooth 5.2
- Windows 11 Home
- Ports:
- 2x USB3.2 Gen2 (10Gbps)
- 4x USB3.2 Gen1 (5Gpbs)
- 1x USB-C (10Gbps)
- 1x HDMI 2.0
- 1x DP1.4b
- 1x Gigabyte Ethernet
- 1x3.5mm Audio Jack
Editor's Notes
Written by johnny_miller | Staff- At the time of this posting, our research indicates that this is $15.01 lower than the next best comparable online prices starting from $279.
- Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.
- If you're not a student, there's also a free 1-Month Amazon Prime trial available.
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Top Comments
The processor is identical to the old AMD Ryzen 5 5625U (2022).
"Performance
The performance is identical to the old Ryzen 5625U and therefore in the lower mid range of laptop CPUs in late 2023." - TechPowerUp (https://www.notebookche
Community Reviews
This Kamrui E3B mini PC is a compact Windows 11 Home desktop aimed at everyday use, home servers, and light media work. The Ryzen 5 7430U is described as a lower mid range chip, but the 32GB of DDR4 and 512GB SSD make it feel roomy for multitasking, Proxmox, and basic home office needs. It has handled Plex and Blue Iris well in real use, including 4K transcoding and six cameras, while drawing about 18W. The main limits are the weak Vega graphics for gaming and the gigabit ethernet and Wi Fi chip concerns on some units. A practical small box if you want modest power without much noise or bulk.
Common Questions (6)
It can work well for in-home Plex or Jellyfin use, and one setup handled 4K hardware transcoding with little CPU impact. For outside-the-home streaming or heavier transcoding, Intel Quick Sync is still the safer choice, and AMD may fall back to software transcoding depending on the app and OS.
For basic home use, 32GB is more than enough and often more than average users will fully use, but it helps with multitasking, browser tabs, VMs, and iGPU memory sharing. If you expect heavier workloads or want more headroom over time, 32GB is the better buy than 16GB.
It is not a strong gaming chip: the Vega iGPU is described as outdated and suitable mainly for older, retro, or very light titles like Roblox or Minecraft. For modern games, a 7840HS-class system with a 780M iGPU is a much better fit.
Yes, it has been used successfully with 6 cameras, with CPU usage staying around 8% or less most of the time. An external hard drive was used for recording, so it can handle a modest home surveillance setup.
It can work well as a Proxmox host for light-to-moderate services and even clustered mini-PC setups, but the 1GbE NIC on some units is a limitation for storage-heavy workloads like Ceph. For VM-heavy or GPU-offload plans, containers are easier than iGPU passthrough, and 2.5GbE networking may be needed.
Yes, it comes with Windows 11 Home preinstalled. That also makes it a straightforward Windows 11 replacement for older PCs that cannot upgrade.
AI-generated summary based on comments from the community. Updated ago
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103 Comments
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Nope. I totally disagree — and I'm going to argue hard that your whole premise (that everyday users see noticeable benefits above 16 GB and that 48 GB is a sensible "sweet spot") is flat-out wrong for the vast majority of people. Buckle up — I'm coming at this like an absolutist contrarian.
TL;DR
For everyday users, 16 GB is perfectly enough today. NVMe + OS memory management (compression, smart caching, file caching) + modern browsers and apps make large RAM quantities a law of diminishing returns. Buying a bunch of extra RAM is often a waste of money, power, and thermal headroom — and it rarely fixes the real causes of stutter.
⸻
Point-by-point takedown
1) "My family laptop idles at 59% (8.1 GB) and 87% (12 GB) with two users — that proves people benefit from >16 GB"
That's not evidence of needing more RAM — that's evidence of how modern OSes use RAM. RAM is useful storage: the OS fills available memory with caches and prefetch data to speed things up. High "used" RAM doesn't mean the system is starved; it often means the OS is being efficient. If the system needs memory it will free caches or compress memory. The metric you should care about is hard page faults and swap thrashing, not "percent used after boot."
2) "SSD NVMe is being used for swap a lot, so it must be hurting"
NVMe's low latency and high IOPS massively reduce the penalty of hitting the page file compared to the HDD era. Yes, swap is slower than RAM — but on NVMe it's often imperceptible for typical desktop workloads. Modern Windows/macOS/Linux memory subsystems and compression layers make the effective gap much smaller for average multitasking. In short: swapping on NVMe is no longer the dramatic disaster it used to be.
3) "System idles with 20.4 GB committed and SSD activity — swap is in heavy use"
Committed memory and short bursts of SSD activity don't prove chronic memory starvation. Many apps commit memory they rarely touch. SSD activity can be background syncing, indexing, virus-scan hits, or write-back cache flushes — not necessarily page-in/page-out thrashing. Correlation ≠ causation.
4) "Multitasking + Minecraft would show the benefit of more RAM"
Minecraft is surprisingly light on RAM unless you load big modpacks or run a server. If you're seeing stutter playing a small Minecraft instance, the bottleneck is more likely GPU, thermal throttling, single-core CPU limits, disk I/O for asset loads, or buggy drivers, not the difference between 16 GB and 48 GB.
5) "People notice incremental improvements above 16 GB"
Maybe — if they're power users who:
• Run many large VMs or Docker containers simultaneously,
• Edit multiple large photos/videos and keep multiple 4K timelines open,
• Use large IDEs with many language servers, or
• Host local databases and analytics jobs.
For the typical home user — browsing, streaming, Office, light gaming — the extra headroom is invisible; the user experience is dominated by CPU single-thread performance, GPU capability, NVMe speed, and software inefficiencies (like leaky browser extensions).
6) "This isn't about MSP cost-minimization — it's about perceived benefit"
Cost is a real, user-facing factor. But more importantly: upgrading RAM to solve UX issues is often the wrong first fix. Diagnose — use Resource Monitor, check hard faults/sec, GPU/CPU thermal throttling, driver issues, Chrome/Edge extensions, background syncers (Nextcloud), and antivirus behavior. Fix the real problem — not the RAM.
⸻
Practical reality checks (aka reasons why I'm doubling down)
• Diminishing returns: Doubling RAM from 16→32 gives less perceptible benefit than 8→16 did. The 3rd and 4th increments are mostly useful for niche workloads.
• Cost vs benefit: Most users could spend the money better on a faster NVMe, a better CPU, or a GPU — all of which often improve real-world responsiveness more than extra RAM.
• Energy & thermals: More RAM means more modules, slightly higher idle power and thermal constraints in thin laptops — not nothing, especially on battery life.
• Software improvement: Browsers, OSes, and apps keep getting smarter about memory. Memory compression, process prioritization, and cached prefetching reduce the need for huge physical RAM pools.
• Misdiagnosis is common: People think RAM is the answer because it's an easy upgrade. It's a band-aid that feels technical but rarely addresses the root cause.
⸻
Where you are right (begrudgingly)
• Yes, there are users and setups that truly benefit from >16 GB (VM-heavy devs, pro content creators, scientists). For them, 32–64+ GB is justified.
• Yes, if a system truly has sustained hard page fault spikes and constant NVMe saturation, extra RAM helps. But prove that with metrics before upgrading.
⸻
Final (blunt) recommendation
If you want to be a responsible contrarian like me: don't buy more RAM unless you can measure that page faults and disk-backed IO are the limiting factor. First: profile (hard faults/sec, disk queue depth, CPU/GPU thermal throttling). Fix drivers, reduce extension and background service bloat, optimize syncers, and test. If a measurable memory-starvation pattern remains, then add RAM.
But for the everyday user? 16 GB is not a "compromise" — it's the sweet spot. Your 48 GB hill to die on is fashionable, but mostly theater.
Want me to write an aggressive, MSP-style comment you can post that demolishes the "more RAM for everyone" crowd? I'll happily draft a scorcher.
No real benefit today for 99.9% of all users for having more than 16GB of RAM.... besides maybe waiting a minute longer a month for tasks (so small that I will call this meaningless).
But I am just like you... I purchased the Firebat A5P about two weeks ago and I am waiting for my new 2TB hard drive and I already purchased 32GB of RAM on Facebookmarketplace for $45.00 (16GB x 2 ddr5 5600).
So my CPU is the 8745HS and I am willing to bet that my CPU can outperform your CPU on ANY task even though you have 64GB of RAM and I have 32GB. My point is... RAM is not everything.
But I will say... the future is more RAM and FOR SURE... the future will be 32GB of RAM when you buy a new system. But financially right now... RAM is EXPENSIVE AS HELL... and if you are on a tight budget, I would not upgrade the RAM until it goes down in price or do the Facebook marketplace thing.
TL;DR
For everyday users, 16 GB is perfectly enough today. NVMe + OS memory management (compression, smart caching, file caching) + modern browsers and apps make large RAM quantities a law of diminishing returns. Buying a bunch of extra RAM is often a waste of money, power, and thermal headroom — and it rarely fixes the real causes of stutter.
⸻
Point-by-point takedown
1) "My family laptop idles at 59% (8.1 GB) and 87% (12 GB) with two users — that proves people benefit from >16 GB"
That's not evidence of needing more RAM — that's evidence of how modern OSes use RAM. RAM is useful storage: the OS fills available memory with caches and prefetch data to speed things up. High "used" RAM doesn't mean the system is starved; it often means the OS is being efficient. If the system needs memory it will free caches or compress memory. The metric you should care about is hard page faults and swap thrashing, not "percent used after boot."
2) "SSD NVMe is being used for swap a lot, so it must be hurting"
NVMe's low latency and high IOPS massively reduce the penalty of hitting the page file compared to the HDD era. Yes, swap is slower than RAM — but on NVMe it's often imperceptible for typical desktop workloads. Modern Windows/macOS/Linux memory subsystems and compression layers make the effective gap much smaller for average multitasking. In short: swapping on NVMe is no longer the dramatic disaster it used to be.
3) "System idles with 20.4 GB committed and SSD activity — swap is in heavy use"
Committed memory and short bursts of SSD activity don't prove chronic memory starvation. Many apps commit memory they rarely touch. SSD activity can be background syncing, indexing, virus-scan hits, or write-back cache flushes — not necessarily page-in/page-out thrashing. Correlation ≠ causation.
4) "Multitasking + Minecraft would show the benefit of more RAM"
Minecraft is surprisingly light on RAM unless you load big modpacks or run a server. If you're seeing stutter playing a small Minecraft instance, the bottleneck is more likely GPU, thermal throttling, single-core CPU limits, disk I/O for asset loads, or buggy drivers, not the difference between 16 GB and 48 GB.
5) "People notice incremental improvements above 16 GB"
Maybe — if they're power users who:
• Run many large VMs or Docker containers simultaneously,
• Edit multiple large photos/videos and keep multiple 4K timelines open,
• Use large IDEs with many language servers, or
• Host local databases and analytics jobs.
For the typical home user — browsing, streaming, Office, light gaming — the extra headroom is invisible; the user experience is dominated by CPU single-thread performance, GPU capability, NVMe speed, and software inefficiencies (like leaky browser extensions).
6) "This isn't about MSP cost-minimization — it's about perceived benefit"
Cost is a real, user-facing factor. But more importantly: upgrading RAM to solve UX issues is often the wrong first fix. Diagnose — use Resource Monitor, check hard faults/sec, GPU/CPU thermal throttling, driver issues, Chrome/Edge extensions, background syncers (Nextcloud), and antivirus behavior. Fix the real problem — not the RAM.
⸻
Practical reality checks (aka reasons why I'm doubling down)
• Diminishing returns: Doubling RAM from 16→32 gives less perceptible benefit than 8→16 did. The 3rd and 4th increments are mostly useful for niche workloads.
• Cost vs benefit: Most users could spend the money better on a faster NVMe, a better CPU, or a GPU — all of which often improve real-world responsiveness more than extra RAM.
• Energy & thermals: More RAM means more modules, slightly higher idle power and thermal constraints in thin laptops — not nothing, especially on battery life.
• Software improvement: Browsers, OSes, and apps keep getting smarter about memory. Memory compression, process prioritization, and cached prefetching reduce the need for huge physical RAM pools.
• Misdiagnosis is common: People think RAM is the answer because it's an easy upgrade. It's a band-aid that feels technical but rarely addresses the root cause.
⸻
Where you are right (begrudgingly)
• Yes, there are users and setups that truly benefit from >16 GB (VM-heavy devs, pro content creators, scientists). For them, 32–64+ GB is justified.
• Yes, if a system truly has sustained hard page fault spikes and constant NVMe saturation, extra RAM helps. But prove that with metrics before upgrading.
⸻
Final (blunt) recommendation
If you want to be a responsible contrarian like me: don't buy more RAM unless you can measure that page faults and disk-backed IO are the limiting factor. First: profile (hard faults/sec, disk queue depth, CPU/GPU thermal throttling). Fix drivers, reduce extension and background service bloat, optimize syncers, and test. If a measurable memory-starvation pattern remains, then add RAM.
But for the everyday user? 16 GB is not a "compromise" — it's the sweet spot. Your 48 GB hill to die on is fashionable, but mostly theater.
Want me to write an aggressive, MSP-style comment you can post that demolishes the "more RAM for everyone" crowd? I'll happily draft a scorcher.
I'm not sure why you keep mentioning 48 GB. I said that was "my" sweet spot. Nowhere have I suggested that was anywhere near normal. I also don't need 48 GB. 48 GB is a luxury that gives me more headroom to focus on other things.
If you read my post instead of giving it to an LLM, you'd see clearly that my opinion was that 24 GB would be the sweet spot for average users. I picked 24 GB instead of 22, 26, or anything else since there are 12 GB DDR5 sticks available. However, getting a deal on them, or a system with 24 GB installed, would be tricky. Odds are most people would find the best deals on 16 and 32 GB, so that's what they'll end up with.
Until a few months ago, DDR5 RAM was around $2/GB. DDR4 was even less. That meant the price difference of 16 and 32 GB was often around $30. If someone has to pay $75+ to go to 32 GB, which is often the case now, then I also wouldn't recommend it to most people. If someone could find this same system for ~$200 with 16 GB of RAM, then I too would argue that's a better deal. But if you can find a similar system for ~$240 and 16 GB of RAM, I'd recommend paying the extra $24 to get this one with 32 GB.
• Diminishing returns: Doubling RAM from 16→32 gives less perceptible benefit than 8→16 did. The 3rd and 4th increments are mostly useful for niche workloads.
• Cost vs benefit: Most users could spend the money better on a faster NVMe, a better CPU, or a GPU — all of which often improve real-world responsiveness more than extra RAM.
• Energy & thermals: More RAM means more modules, slightly higher idle power and thermal constraints in thin laptops — not nothing, especially on battery life.
• Software improvement: Browsers, OSes, and apps keep getting smarter about memory. Memory compression, process prioritization, and cached prefetching reduce the need for huge physical RAM pools.
• Misdiagnosis is common: People think RAM is the answer because it's an easy upgrade. It's a band-aid that feels technical but rarely addresses the root cause.
It's hard for me to understand why people are so hung up on the argument that there are benefits for average users having 32 GB of RAM. Clearly it isn't necessary, and there are diminishing returns. And no, I'm not going to recommend someone pay to get 32 GB of RAM without asking a lot more questions first. Questions like "How do you plan to use the machine?", "What are the other specs?", and "What are the price differences between 16 and 32 GB?" But that doesn't mean that there aren't often noticeable improvements.
No real benefit today for 99.9% of all users for having more than 16GB of RAM.... besides maybe waiting a minute longer a month for tasks (so small that I will call this meaningless).
But I am just like you... I purchased the Firebat A5P about two weeks ago and I am waiting for my new 2TB hard drive and I already purchased 32GB of RAM on Facebookmarketplace for $45.00 (16GB x 2 ddr5 5600).
So my CPU is the 8745HS and I am willing to bet that my CPU can outperform your CPU on ANY task even though you have 64GB of RAM and I have 32GB. My point is... RAM is not everything.
But I will say... the future is more RAM and FOR SURE... the future will be 32GB of RAM when you buy a new system. But financially right now... RAM is EXPENSIVE AS HELL... and if you are on a tight budget, I would not upgrade the RAM until it goes down in price or do the Facebook marketplace thing.
Yes, I am sure your 16 GB RAM will handle these apps perfectly fine and run clocks around my system.
Yes, I am sure your 16 GB RAM will handle these apps perfectly fine and run clocks around my system.
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Anything else? Of course, I'm not taxing it as much as you do as it'll will be very nice to be you, I'm sure.
Anything else? Of course, I'm not taxing it as much as you do as it'll will be very nice to be you, I'm sure.
The truth first....
There has been ONE manufacturer Acemagic that got caught installing spyware on their mini pc's (they claimed it was installed by a third party vendor that they hired to install the OS and they apologized......... BUT, if you purchased that system, and the first thing you did was update windows and run a complete hard drive scan with windows defender... it got rid of all the spyware. BUT SINCE THIS HAPPENED.......
People recommend....
People are now recommending that you do a full fresh install of Windows.
PESONSALLY....
I think the truth is more than fine... when you get the system.. UPDATE WINDOWS (should take a few hours) AND THEN run Windows Defender. After this is done, you can now install what you want.
Anything else? Of course, I'm not taxing it as much as you do as it'll will be very nice to be you, I'm sure.
So I just purchased my Firebat A5P for $234 and I have installed 32GB DDR5 RAM 5600 and a 2TB high end gen 4 hard drive.
In most real-world high-memory-bandwidth workloads, the 32 GB DDR5 + Ryzen 7 7845HS setup will actually perform better, despite having half the capacity.
Intel's 12th-gen (Alder Lake) mobile i7 processors support DDR4 up to 3200 MT/s.
DDR4 @3200 not the best
I think it is great that you have upgraded your RAM but it is a complete overkill... IMHO. I believe 32GB is the sweat spot right now to future proof your system with RAM being so expensive... it is smart to wait if you want.
Thank you for letting me know that it's an overkill. lmao
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These are fine for light gaming - Roblox, Minecraft, etc. Or older AAA games.
Intel does lead in video encoding/decoding hardware if that's your sole purpose for this device.
Black Friday is coming up. You can likely get a similar or better deal if you're patient. Still a good deal for what you get at this price point. RAM is adequate for most uses. Single core/thread performance is meh, but multi-core/thread performance is solid. It's just laptop internals, but cheaper because no screen, battery, etc.
Where these things really thrive are if you have a gaming PC. Plug this into your living room TV and you can run Steam Link to stream your modern AAA games, casually surf the web, stream and archive video content, etc. Bluetooth connectivity for wireless controllers. And the small form factor makes it easy to strap to the back of a wall mounted TV or nest near a receiver without pissing the wife off.
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