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Intel® Core™ Processors

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Help Me Choose: Memory Configuration Type

Reduce data loss and keep your system online and operational with reliability, availability and serviceability (RAS) features for Dell servers and storage, including:

Performance Optimized prioritizes performance and does not provide any RAS features beyond standard ECC (Error-Correcting Code) which is native to RDIMMs, LRDIMMs, and most UDIMMs. 

Memory mirroring has two adjacent memory channels configured to write the same data to each channel. If one memory channel fails or encounters an error, the other channel continues to transmit data. It’s an excellent safeguard for systems requiring uninterrupted operation, though it cuts memory capacity in half, doubles the cost per gigabyte, and can increase power consumption.

Fault resilient memory is a Dell patented technology that works with the VMWare ESXi Hypervisor to provide a fault resilient zone that protects virtual machines from the ramifications of memory faults.

Memory sparing can reduce downtime from correctable errors by allocating one rank (64-bit wide data area on a DIMM) per channel (Single Rank Spare Mode) or two ranks per channel (Multi Rank Spare Mode) as memory spares. If a correctable error occurs in a rank or channel, it’s moved to the spare rank while the OS is running. This prevents the error from causing a failure. Memory sparing reduces memory capacity by one rank per channel or two ranks per channel (depending if Single Rank or Multi Rank is selected) and increases the cost per gigabyte.

Memory Configuration Type
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