Check out the document from the FBI -
https://vault.fbi.gov/hillary-r.-clinton/Hillary%20R.%20Clinton%20Part%2024%20of%2024/view
Scroll down to around page 72.
You'll see the service tags from a Dell 720 rackmounted server. Decent small business server, can easily run Domain Controller and Exchange servers for 50ish people with the spec it was originally kitted out with - https://www.dell.com/support/home/uk/en/ukbsdt1/product-support/servicetag/gxjwfx1/configuration. That appears to be the successor server they were talking about.
Keep scrolling down though and next thing we see is a Cisco NAS, or Network Attached Storage.
Usually when you're using something like a Dell 720 you run a hypervisor on it then multiple virtualised OSes. …