I Googled max storage capacity for the Precision T3500 and its Dell brochure was referenced.  Copied below.

Chassis supports up to four internal SATA drives (8.0TB storage maximum) or three SAS drives (SAS drives require SAS 6/iR controller card)

3.0 gb/s @ 7200 rpm
Up to 2TB with 8MB DataBurst Cache

3.0gb/s @ 10k rpm
Up to 600GB with 16MB DataBurst Cache

SAS 15K rpm
Up to 600GB

SSD
256GB

Dell manuals (pdf) can also be downloaded at Dell.com.

You posted in the right place.☺

Thank you so much for the reply.  Just to clarify, is the 8.0tb you mentioned total system storage, or most importantly can i hook up two separate 8.0tb drives?

You're welcome.☺  Exceeding max storage capacity can severly slow down or freeze a unit.  It's a good thing you asked.

The #'s above are totals.  Whether 2 or 4 HDDs are used, the max capacity is 8TB without any of the drives having a data burst cache.

I'm inserting a screengrab.  If it doesn't show, ironically, sign out, review this thread, and it should show.  You'll probably have to expand the screen (tiny print).

Screengrab from Dell T5500 brochure

Outside of editing, I couldn't get the screengrab to show; nor delete.

Here's a link to the spec. sheet if you want it:  T3500 Spec. Sheet

Hi, I can confirm that I have installed n. 5 x 8 TB Seagate Barracuda harddisks in raid 5 intel software, for a total of 32 TB, bios ver. 17

By

That's pretty good and I'm not surprised.  In my years now in doing this forum, I noticed some older Dell models can have max storage capacity exceeded.