UnionTech UOS Server 20 Enterprise 1020 amd64 Official ISO Download with Verified SHA-256
If you’re looking for a clean, unmodified, official UnionTech UOS Server 20 Enterprise 1020 ISO, you’ve come to the right place.
UnionTech is one of the leading forces in Chinese operating systems. Its server product line, UOS Server, is deployed at massive scale across the government/enterprise IT-innovation (Xinchuang) market — from government agencies to finance and telecom operators. 20 Enterprise 1020 is a widely used, mature release in the UOS Server family with well-established ecosystem adaptation and commercial support. Commercial distribution images like this are hard to find through public channels, so a genuine source plus a verifiable hash is the baseline for production deployment.
This post provides the uniontechos-server-20-enterprise-1020-amd64.iso, with a PowerShell-verified SHA-256 hash to guarantee the file you download matches the official release byte-for-byte.
Who Is This Version For?
UOS Server 20 Enterprise is an enterprise-grade server OS for mission-critical government and enterprise scenarios. Key highlights:
- Developed by UnionTech, a top vendor in the Xinchuang market with a mature commercial support system
- Targeted at government, finance, telecom, energy, and other critical industries
- Extensive mutual certifications with domestic databases, middleware, and server hardware
- Supports x86, ARM, and other architectures (this image is amd64)
- Standard DVD image ships the full package set for offline deployment
Typical use cases:
| Scenario | Description |
|---|---|
| Mission-critical business | Base OS for government, finance, and energy systems |
| IT-innovation projects | Server OS for integrated domestic hardware/software replacement |
| CentOS migration | Smooth replacement for EOL CentOS servers |
| App compatibility testing | Developing and validating software for Xinchuang environments |
File Details
| Item | Details |
|---|---|
| File Name | uniontechos-server-20-enterprise-1020-amd64.iso |
| File Size | 4.19 GB |
| Architecture | amd64 (x86_64, 64-bit) |
| Version | 20 Enterprise 1020 |
| Image Type | Standard DVD (full package set) |
| Language | Simplified Chinese |
Verified SHA-256 Hash
The following hash was generated locally using PowerShell Get-FileHash on the complete file — not copied from a website. This ensures every byte of your download is identical to the official release:
F459D10B61BC9AC60DCFC4BB5975648287EB852097D264779602FC1458849575The verified MD5 is:
3BF879CB1C074224BC6CBA7B138081ECTo verify your download, open PowerShell in the folder containing the ISO and run:
Get-FileHash .\uniontechos-server-20-enterprise-1020-amd64.iso -Algorithm SHA256If the output matches the hash above, your file is intact. If it doesn’t, delete the file and download again.
Download Links
Quark Cloud Drive
Xunlei Cloud Drive
Additional Mirrors
More download mirrors (Baidu Netdisk, Aliyun Drive, Tianyi Cloud, OneDrive) will be added soon. Bookmark this page to get notified when new links are available.
| Platform | Status |
|---|---|
| Baidu Netdisk | Coming soon |
| Aliyun Drive | Coming soon |
| Tianyi Cloud | Coming soon |
| OneDrive | Coming soon |
Before You Install
- Always verify the hash: File corruption during a 4+ GB download is more common than you think. Two minutes of verification saves hours of troubleshooting.
- Check your architecture: This image is amd64. For ARM servers, confirm the corresponding build separately.
- Create a bootable USB: Use Rufus (DD mode) or Ventoy. On server hardware, you can also mount the ISO via BMC / iBMC virtual media.
- Works fully offline: The DVD image ships a complete package repository — a standard installation plus common server components requires no internet connection.
- Production support: As a commercial distribution, consider UnionTech’s official channels for licensing, technical support, and updates in production.
Why “Official Untouched” Matters
A server OS is the foundation of your business. Images from unknown sources may:
- Contain backdoors or hidden remote-access tooling
- Alter package repository configs, poisoning every future update
- Strip security components, failing compliance baselines
- Bundle untrusted preinstalled software
For production environments carrying mission-critical workloads, these risks cost far more than the time saved on a random download. Official ISO + hash verification is always the most reliable path.
Looking for UOS Desktop, Kylin, openEuler, NFSChina, or other official domestic OS ISOs? Leave a comment and we’ll prioritize adding them with verified hashes.