The following tower server guides has been moved to Lenovo Docs:
System x3100 M4 Type 2582
The Lenovo System x3100 M4 Type 2582 server is a high performance
tower server, (optional for 5U-high rack model), two-socket server
for virtualization, database, and computational intensive computing.
System x3100 M5 Type 5457
The Lenovo System x3100 M5 Type 5457 server is a high performance
tower server, (optional for 5U-high rack model), two-socket server
for virtualization, database, and computational intensive computing.
System x3300 M4 Type 7382
The Lenovo System x3300 M4 Type 7382 is a self-contained,
entry level, tower-optimized, dual processor, 4U tower (optional rack
mounted), server system. The platform is Intel Romley-En.
System x3500 M4 Type 7383
The Lenovo System x3500 M4 Type 7383 server is a high performance
tower server, (optional for 5U-high rack model), two-socket server
for virtualization, database, and computational intensive computing.
System x3500 M5 Type 5464
The Lenovo System x3500 M5 Type 5464 server is a high performance
tower server, (optional for 5U-high rack model), two-socket server
for virtualization, database, and computational intensive computing.