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View all server models →Resources & Guides
View all Resources →Server Power Supplies: Wattage, Slot Types and Redundancy
A replacement power supply has to match more than the wattage. Slot type, efficiency tier, input voltage and airflow all decide whether the server accepts it.
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RAID Controller vs HBA: Choosing a Server Storage Controller
Hardware RAID still earns its place, but ZFS, vSAN and Storage Spaces Direct want the opposite. How to choose, and what to check before swapping a controller.
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RDIMM vs LRDIMM vs UDIMM: How to Choose Server Memory
Server memory comes in three electrical types that look almost identical. Which one a server takes, and how many, is decided by the platform, the CPU and the slot layout.
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Server Part Numbers Explained: HPE, Dell, Cisco and Lenovo
One drive can carry an option number, a spare number and an assembly number. What each means on HPE, Dell, Cisco and Lenovo hardware, and which one to search for.
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