Server hardware to look out for on Ebay.

== SAS–SATA cards ==

Dell LSI SAS 9210 cards give 2 SAS ports, which can be break out to 8 SATA ports in only 1 PCIe slot.

E.g.:

 * https://www.ebay.com/itm/Dell-LSI-SAS-9210-8i-SAS-6Gb-s-SAS2-SATA3-8-Port-HBA-Raid-Card-YCKHM/232963801318

== Network cards ==

4-port NIC. Find reference.