Chasis : Tower CPU : 1 x Intel Xeon E3-1240 V6 RAM: 4 x 8 GB, Up to 64GB RAM Slots : 4 DIMMs slots, DDR4 HDD Bays : 2 x 2 TB 7.2 K Internal Storage (max) : 8 x 3.5 Disks On board network : 5720 Internal Raid Controllers : H730 PCI Slots : Up to 4 PCIe USB: Rear: 2 x USB 3.0 + 4 x USB 2.0, Front: 1 x USB 2.0 + 1 x USB 3.0 PSU: 1 x 495W

Chasis : 1U Rack CPU : 1 x Intel Xeon E3-1240 V2 RAM : 2 x 4 GB, Up to 32 GB RAM Slots : 4 DIMMs slots, DDR3 HDD Bays : - Internal Storage (max) : Up to 16 TB On board network : 1 Gigabit Internal Raid Controllers : P420 PCI Slots : One PCIe x 8 Gen2, One PCIe x 16 Gen3 USB: USB 2.0 x 4 rear, USB 2.0 x 2 front, one internal (optional) PSU: 2 x 460 W

CPU Type : Intel Xeon Scalable Family Generation 2 processors (x2xx) ChipSet : Intel C621 CPU Socket : N/A CPU No : 2 RAM Support (max) : 128 GB RAM Slots : 16 RAM Type : HPE SmartMemory or DDR4 Load Reduced (LRDIMM), or Registered (RDIMM) HDD bays : up to two (2) small form factor (SFF) or 4 ultra form factor (uFF) hot plug drive bays Internal Storage (max) : Two drives bays for SFF HPE Smart Drives.  Capacities dependent on drive size selected. On board network : depending on Model Expansion slots : Two (2) I/O expansion mezzanine slots: x16 PCIe 3.0 Type A (supports Type A mezzanine cards), x16 PCIe 3.0 Type B (supports Type A and Type B mezzanine cards Internal Raid Controllers : HPE Smart Array P204i-b SR Gen10 (4 Internal Lanes/1GB Cache) 12G SAS Modular Controller 804367-B21, HPE Smart Array P408e-m SR Gen10 (8 External Lanes/2GB Cache) 12G SAS Mezzanine Controller 804381-B21, HPE FIO Enable Smart Array SW RAID 784308-B21, HPE Special Enablement Kits 873373-B21

Chasis : 2U Rack CPU : 2 x E5-2680v3, FCLGA2011 RAM : 2 x 16GB, Up to 3TB RAM Slots: 24 DIMMs slots, DDR4 HDD Bays : - Internal Storage (max) : Up to 16 x 2.5" HDD: SAS, SATA, nearline SAS SSD: SAS, SATA On board network : NIC 4p Internal Raid Controllers : H730m PCI Slots : Up to 7 x PCIe 3.0 plus dedicated PERC slot USB: (2) front, (2) back, (1) internal PSU: 2 x 750W

Chasis : 2U Rack CPU : 2 x E5-2680v3, FCLGA2011 RAM : 2 x 16GB, Up to 768GB RAM Slots: 24 DIMMs slots, DDR4 HDD Bays : - Internal Storage (max) : Up to 99.6TB with 12 x 3.5 6TB NL SAS HDD or SSD +4 x 3.5 6TB SAS + 2 x 2.5 1.8TB SAS HDD or SSD On board network : X540 10GB 2p I350 2p Internal Raid Controllers : H730Pm PCI Slots : Up to 6 x PCIe 3.0 slots plus dedicated RAID card slot USB: (1) front, (2) back, (1) internal PSU: 2 x 750W

CPU Type : AMD Opteron 6300 Series ChipSet : AMD SR5690 and SP5100 CPU Socket : G34 CPU No : 2 RAM Support (max) : Maximum (LRDIMM) 512GB (16 x 32GB) at 1333MHz, Maximum (RDIMM) 256GB (16 x 16GB) up to 1600MHz RAM Slots : 16 RAM Type : PE SmartMemory DDR3 Load Reduced (LRDIMM) or Registered (RDIMM) HDD bays : Two (2) small form factor (SFF) hot plug drive bays Internal Storage (max) : 3.2 TB On board network : One (1) FlexibleLOM connector for one dual-port FlexibleLOM, Expansion slots : 2 x mezzanine I/O expansion slots, One (1) 10/100 Mbps port for the HPE iLO 4 On System Management Chipset, One (1) 10/100 Mbps port for the HPE iLO 4 to Onboard Administrator link. The Onboard Administrator (with 10/100/1000 Mbps) to BladeSystem link is 1Gbps. Internal Raid Controllers : HPE Smart Array P220i Controller with 512MB FBWC