SupermicroAS-C521D-31101U

The entry configuration of the mini tower: a 4-core AMD EPYC 4124P at 5.3 GHz, 16 GB of DDR5, 1 TB NVMe and Windows 11 Home for everyday office work.

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Supermicro AS-C521D-31101UCompact mini tower · Gold Series G2

The exact configuration

Official datasheet

Front view diagram: hover over each component.
Processor1× AMD EPYC 4124P4 cores · 5.3 GHz
Memory16 GBDDR5-5600
Storage1× 1 TB M.2 NVMe
Network1× 1 GbE
Form factorCompact mini tower
Warranty
1 year parts and labour
On-site engineer
Optional: extend the warranty to 3 years with an engineer next business day
Software
Windows 11 Home

For admin desks: email, office apps and business software

With 4 cores and 8 threads at 5.3 GHz, the EPYC 4124P has more than enough for what an admin desk does (email, office apps and the company ERP), tasks that depend more on how fast each core is than on having lots of them. The 92 × 341 × 290 mm case takes up little room on or under the desk.

Its ceiling is clear: 16 GB, which according to the datasheet is the most the board takes, and 4 cores. For compiling, virtual machines or very heavy spreadsheets you need the AS-C521D-11302U, and since this one runs Windows 11 Home, if it has to join a domain the upgrade to Pro goes into the quote.

What we do

Compared with a branded office PC, what changes is who looks after it: we prepare it, upgrade it to Pro and join it to the domain if needed, and keep it up to date ourselves, with an on-site technician if you contract one. If you are replacing several desks at once, we prepare them all with the same image, applications and accounts, ready to plug in.

Compared with the rest of the family

ModelWhat it hasWhen to choose it
AS-C521D-11302U1x AMD Ryzen 7 9700X · 32 GBThe fastest and the only one with Windows 11 Pro.
AS-C521D-21101U1x AMD EPYC 4245P · 16 GB6 cores and Windows 11 Home, between the entry model and the Ryzen.

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What the delivery includes

From the factory

  • Configuration assembled and tested by Supermicro
  • Warranty: 1 year parts and labour

From us

  • Windows and BIOS up to date
  • Joined to your domain and loaded with your corporate image, if you have one
  • Upgrade to Windows 11 Pro if your network needs it

If you need it

  • Warranty extended to 3 years with an on-site engineer next business day

Questions about the AS-C521D-31101U

Can I connect two monitors?

Yes. It has an HDMI 2.1 output and two rear USB4 ports that also carry DisplayPort 2.0, so a second or third monitor connects to the integrated graphics without a separate card.

What is the difference from the AS-C521D-21101U?

They share the case, 16 GB of memory, 1 TB drive and Windows 11 Home. The 21101U has a 6-core EPYC 4245P; this one stays at 4, which is what a desk running email, web and business applications needs.

Can the memory be expanded?

No: according to the datasheet, its two slots take at most the 16 GB already fitted. If the desk is going to grow, go for the AS-C521D-11302U, which reaches 32 GB.

Is the AS-C521D-31101U right for your office?

Tell us how many workstations you need and what they'll be used for, and we'll come back with the price and a confirmed lead time.

Ask for price and lead timeWhatsApp+34 91 198 02 43