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Microprocessors: 4 x POWER9 processors – 8,10,11 or 12 cores eachMemory: 32 DIMM slots Up to 16 TB buffered DDR4 CDIMMs per nodeInternal storage: 4 slots for non-volatile memory express(NVMe U.2)Integrated PCIe adapter slots: 8 PCIe x16 Gen4PCIe I/O Expansion Drawers: Up to 4 (12 PCIe adapter slots each)POWER Hypervisor: PowerVM Enterprise integratedOperating systems: AIX, IBM i and Linux for PowerPower requirements: Operating voltage: 200 to 240V AC

Microprocessors: Up to 48 cores 12 core processor sockets at 3.15 to 3.80 GHz (max)Memory: Up to 128 DDR4 Industry Standard DIMMs128GB to 16TB (max)Storage Backplane Options: Base Storage Backplane 8 SFF-3 BaysInternal Storage bays: for SAS solid-state drives (SSD) or hard-disk drives, and NVMeU.2 drives 8 hot-swap SFF SAS bays + 4 NVMe baysRAS features: First Failure Data CaptureCloud Management and Deployment features: IBM Cloud Power VC ManagerOperating systems: AIX and LinuxPower Requirements Operating voltage: 200 to 240V AC

Microprocessors: 4-core Typical 2.8 to 3.8 GHz (max) POWER9 ProcessorMemory: Up to 4096 GB of DDR4 memoryStorage Backplane Options: Base Storage Backplane 8 SFF-3 BaysInternal Disk Storage: SFF bays, one integrated SAS controller without cache, and JBOD RAID 0, 5, 6, or 10Adapter slots: One x16 Gen4 low-profile, half-length slot (CAPI)RAS features: Processor instruction retryOperating systems: AIX 7.2 TL0, TL1 (P8 Compatibility Mode)

Microprocessors: 8 core Typical 3.8 to 4.0 GHz (max) POWER9 ProcessorMemory: Up to 4096 GB of DDR4 memory running at speeds of 2133, 2400, and 2666 MbpsStorage Backplane Options: Base 12 SFF-3 Bays/RDX BayInternal Disk Storage: 12 or 18 SFF SAS Bay options (HDD or SDD), 2 internal PCIe G3 Slots for Storage Controller or NVMeAdapter slots: 3 x16 Gen4 full-height, half-length (CAPI)Connectivity support (optional): I/O ports Standard features One front USB 3.0 portsRAS features: Processor instruction retryOperating systems: AIX 7.2 TL0, TL1 (P8 Compatibility Mode)