 | PSS 31H-4 B3 | Dot-Matrix Printer 80 (Replaced by PSS 41H-4DOTM80) | 1014 | 4 | 910 KB |
| PSS 31H-4C2 | Time Synchronization Equipment (Replaced by PSS 41H-4TIMESNC) | 0518 | 16 | 936 KB |
| PSS 31H-4D13 | Model H92 and P92 Workstations for Windows 7 Professional Operating System (Replaced by PSS 31H-4H92) | 0915 | 12 | 519 KB |
| PSS 31H-4H90 | Model H90 Workstation Server for Windows Server(R) 2008 R2 Operating System | 0119 | 12 | 573 KB |
| PSS 31H-4H90-16 | Model H90 Workstation Server for Windows Server 2016 Operating System | 0318 | 12 | 615 KB |
| PSS 31H-4H91 | Model H91 Workstation Server for Windows Server 2008 R2 Operating System (Supersedes: PSS 21H-4U6 B4) | 1214 | 16 | 599 KB |
| PSS 31H-4M90 | Model M90 (P0928KM) Industrial Server for Windows Server 2008 R2 Operating System (Replaced by PSS 41H-4M90) | 0716 | 8 | 1.0 MB |
| PSS 31H-4M92 | Model M92 (P0928KK) Industrial Workstation with Windows 7 Professional Operating System (Replaced by PSS 41H-4M92) | 0716 | 8 | 522 KB |
| PSS 31H-4THNCLNT | t730 Thin Clients | 1120 | 10 | 320 KB |
| PSS 31H-4USBKBD | Annunciator Keyboard (Replaced by PSS 41H-4USBKBD) | 0715 | 8 | 913 KB |
| PSS 31H-4V91 | Virtualization Server Host Hardware Model V91 | 0818 | 12 | 330 KB |
| PSS 31H-4VDU | Liquid Crystal Display (LCD) Monitors (Replaced by PSS 41H-4VDU) | 0617 | 12 | 2.4 MB |
