Updated October 2026
Data from Amazon and official Asus and Beelink sites.
2026 verdict
For a small always-on desktop that runs Windows, the Beelink Mini S12 Pro (N100 16GB + 500GB) is the better buy of these two, while the Asus Chromebox 5a (Celeron 4GB + 128GB) is the right pick only if you want ChromeOS.
The Beelink brings 16GB of DDR4, a 500GB SSD, 2.5G Ethernet, Wi-Fi 6 and a three-year warranty in a low-power N100 package. The Chromebox answers with seven USB ports, two HDMI 2.1 outputs, a DisplayPort 1.4, Wi-Fi 6E and user-replaceable memory and storage, but starts at 4GB and 128GB and tops memory out at 16GB. Neither can game or run AI workloads. Choose the Asus Chromebox 5a for managed browsing, kiosks or a video wall, and the Beelink Mini S12 Pro for a quieter, better-specced Windows box that stays on.
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| Feature | Asus Chromebox 5a (Celeron 4GB + 128GB) | Beelink Mini S12 Pro (N100 16GB + 500GB) | Winner |
|---|---|---|---|
| Memory Capacity | 4 GB | 16 GB | Beelink Mini S12 Pro (N100 16GB + 500GB) |
| Storage Capacity | 128 GB | 500 GB | Beelink Mini S12 Pro (N100 16GB + 500GB) |
| CPU Model | Intel Celeron 7305 | Intel N100 | Different strengths |
| Rating | 4.5 | 4.5 | Tie |
| Memory Configuration | Single-channel | Single-channel | Tie |
| Memory Type | DDR4 | DDR4 | Tie |
| GPU Model | Intel UHD Graphics | Intel UHD Graphics | Tie |
What the differences mean
Operating system
ChromeOS on the Asus Chromebox 5a (Celeron 4GB + 128GB) against Windows 11 Home on the Beelink Mini S12 Pro (N100 16GB + 500GB). That decides which applications run, and it is the first thing to settle before comparing specs.
Memory
The Beelink Mini S12 Pro (N100 16GB + 500GB) ships 16GB of DDR4, which is also its maximum, while the Asus Chromebox 5a (Celeron 4GB + 128GB) starts at 4GB and can be upgraded to 16GB. Only the Chromebox has any memory upgrade path, though from a lower base.
Storage
A 500GB M.2 SSD in the Beelink Mini S12 Pro (N100 16GB + 500GB) against a 128GB M.2 drive in the Asus Chromebox 5a (Celeron 4GB + 128GB). Both can be replaced, but the Beelink starts with nearly four times the space.
Ports and displays
The Asus Chromebox 5a (Celeron 4GB + 128GB) offers seven USB ports and four display outputs through two HDMI 2.1, a DisplayPort 1.4 and USB-C, while the Beelink Mini S12 Pro (N100 16GB + 500GB) offers four USB 3.2 ports and two HDMI outputs.
Networking
The Beelink Mini S12 Pro (N100 16GB + 500GB) has 2.5G Ethernet and Wi-Fi 6, while the Asus Chromebox 5a (Celeron 4GB + 128GB) has gigabit Ethernet but newer Wi-Fi 6E. For wired transfers the Beelink is faster.
Warranty
The Beelink Mini S12 Pro (N100 16GB + 500GB) carries a three-year warranty, while the warranty on the Asus Chromebox 5a (Celeron 4GB + 128GB) is not stated. On an always-on machine, the Beelink offers more certainty.
Which one to buy if
- you need a Windows desktop that stays on
The Beelink Mini S12 Pro (N100 16GB + 500GB) pairs 16GB of memory and a 500GB SSD with 2.5G Ethernet and Windows 11 Home.
- you are deploying managed browser appliances
The Asus Chromebox 5a (Celeron 4GB + 128GB) runs ChromeOS with automatic updates and admin-console management.
- you want to drive four displays
The Asus Chromebox 5a (Celeron 4GB + 128GB) has two HDMI 2.1, a DisplayPort 1.4 and USB-C video outputs.
- you want the most ports without a hub
The Asus Chromebox 5a (Celeron 4GB + 128GB) has seven USB ports against four on the Beelink Mini S12 Pro.
- you need a fast wired network link
The Beelink Mini S12 Pro (N100 16GB + 500GB) has 2.5G Ethernet where the Chromebox has gigabit.
- - Memory Capacity: 4 GB vs 16 GB
- - Storage Capacity: 128 GB vs 500 GB
Winner
$339.00
- + Memory Capacity: 16 GB
- + Storage Capacity: 500 GB
Price history compared
Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.
- Asus Chromebox 5a (Celeron 4GB + 128GB)
- Beelink Mini S12 Pro (N100 16GB + 500GB)
Loading price history...
Frequently Asked Questions
Which is better overall: Asus Chromebox 5a (Celeron 4GB + 128GB) or Beelink Mini S12 Pro (N100 16GB + 500GB)?
The Beelink Mini S12 Pro (N100 16GB + 500GB) is the better general-purpose box, with Windows, 16GB of memory, a 500GB SSD and 2.5G Ethernet. The Asus Chromebox 5a (Celeron 4GB + 128GB) is the pick for managed ChromeOS at scale.
What is the biggest difference between the Asus Chromebox 5a and the Beelink Mini S12 Pro?
The operating system. The Asus Chromebox 5a (Celeron 4GB + 128GB) runs ChromeOS and cannot run native Windows software, while the Beelink Mini S12 Pro (N100 16GB + 500GB) runs Windows 11 Home.
Which has more memory and storage, the Asus Chromebox 5a or the Beelink Mini S12 Pro?
The Beelink Mini S12 Pro (N100 16GB + 500GB), at 16GB of memory and a 500GB SSD. The Asus Chromebox 5a (Celeron 4GB + 128GB) starts at 4GB and 128GB, though its memory can be upgraded to 16GB.
Which is better for a media server, the Asus Chromebox 5a or the Beelink Mini S12 Pro?
The Beelink Mini S12 Pro (N100 16GB + 500GB), with 2.5G Ethernet, dual HDMI at 4K, a 500GB drive and auto power on. The Asus Chromebox 5a (Celeron 4GB + 128GB) is built around ChromeOS rather than a server role.
Who should buy the Asus Chromebox 5a (Celeron 4GB + 128GB)?
Schools, kiosks, signage and managed desks that live in a browser and value seven USB ports, four display outputs and low-maintenance ChromeOS.
Who should buy the Beelink Mini S12 Pro (N100 16GB + 500GB)?
Buyers who want a quiet, low-power Windows desktop or always-on box with 16GB of memory, a 500GB SSD, 2.5G Ethernet and a three-year warranty.
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