Hewlett Packard Enterprise (0725184031656 / 826684-B21) - QPI - AC - Gigabit Ethernet - DDR4-SDRAM - Quad - DVD-RW - Smart Cache - SR2N3 - Broadwell - E5-2650V4 - 64-bit - Intel Xeon E5-2600 v4 - LGA 2011-v3 | Xeon E5-2650
Fujitsu (4053026650458 / VFY:R2521SX130GB) - QPI - Fast Ethernet,Gigabit Ethernet - Serial ATA,Serial Attached SCSI (SAS) - DDR3-SDRAM - Intel I210 - Triple - Intel C600 - DVD Super Multi - Smart Cache | PVC Jacket
Fujitsu (4053026630368 / VFY:R2521SC020IN) - QPI - Fast Ethernet,Gigabit Ethernet - Serial ATA,Serial Attached SCSI (SAS) - DDR3-SDRAM - Intel I210 - Triple - Intel C600 - DVD Super Multi - Smart Cache
Lenovo (4058154253823 / 7X06A08HEA) - UPI - DDR4-SDRAM - Hepta - LPDDR4-SDRAM - Intel® C624 - Matrox G200 - XClarity Standard - L3 - Skylake - Intel® Xeon® - 64-bit - LGA 3647 - SAS,Serial ATA III
Fujitsu (4059595452004 / VFY:R2544SX150DE) - Chassis type: Rack (2U) - Ethernet interface type: 10 Gigabit Ethernet,Gigabit Ethernet - Processor lithography: 14 nm - Scalability: 2S - Depth: 770 mm - Height: 86.6 mm
Lenovo (0889488498680 / 7X06A0AWEA) - Cabling technology: 10/100/1000Base-T(X) - Chassis type: Rack (2U) - Processor lithography: 14 nm - Depth: 720 mm - Height: 87 mm - Width: 445 mm - ECC - Energy Star certified | Xeon Silver
Lenovo (0889488498703 / 7X06A0B4EA) - Cabling technology: 10/100/1000Base-T(X) - Chassis type: Rack (2U) - Depth: 720 mm - Height: 87 mm - Width: 445 mm - ECC - Ethernet LAN - Hot-Plug support - Hot-swap | Xeon Silver & Lenovo ThinkSystem SR650
Lenovo (5054444251837) - Cabling technology: 10/100/1000Base-T(X) - Chassis type: Rack (2U) - Processor lithography: 14 nm - Depth: 720 mm - Height: 87 mm - Width: 445 mm - ECC - Ethernet LAN - Hot-swap | Xeon Silver & Lenovo ThinkSystem
Lenovo (0889488515790 / 7X06A0HSEA) - Cabling technology: 10/100/1000Base-T(X) - Chassis type: Rack (2U) - Processor lithography: 14 nm - Depth: 720 mm - Height: 87 mm - Width: 445 mm - ECC - Energy Star certified


Internal memory