Lenovo (5051045205207 / 5462C4G) - QPI - AC - Gigabit Ethernet - G200eR2 - Matrox - Serial ATA III,Serial Attached SCSI (SAS) - DDR4-SDRAM - Quad - Intel® C612 - Smart Cache - SR207 - Haswell - Intel Xeon E5 v3
IBM (5051045205658 / 5462D4G) - QPI - AC - Gigabit Ethernet - G200eR2 - Matrox - Serial ATA III,Serial Attached SCSI (SAS) - DDR4-SDRAM - Quad - Intel® C612 - Smart Cache - SR206 - Haswell - Intel Xeon E5 v3
Lenovo (5051045209359 / 546262G) - UEFI - QPI - Intel® Xeon® - Gigabit Ethernet - G200eR2 - Matrox - Serial Attached SCSI (SAS) - DDR4-SDRAM - Broadcom BCM5719 - Quad - Smart Cache - Haswell - Intel Xeon E5 v3


Brands
Internal memory