Kernel.org: 5.1.10
sid (unstable): 4.19.37-3
buster (testing): 4.19.37-3
stretch (stable): 4.9.168-1+deb9u2
jessie (oldstable): 3.16.68-1

Debian GNU/Linux device driver check & report

IBM: 3550

PCI IDWorks?VendorDeviceDriverKernel
1000005bYesLSI Logic / Symbios LogicMegaRAID SAS 2208 [Thunderbolt]megaraid_sasv2.6.38-