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Micron MTA36ASF4G72PZ-3G2E2 32GB DDR4 2RX4 PC4-3200AA ECC REG For Server
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2TB Kit 8x256GB DDR4-3200 PC4-25600 ECC Registered 8Rx4 Memory for ...
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Crucial 8GB 240-Pin DDR3 SDRAM ECC Unbuffered DDR3 1600 (PC3 12800) Server Memory
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SK hynix HMA81GU7AFR8N-UH 8GB 1Rx8 PC4-2400T-ED2-11 For server
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Crucial server memory 64GB 2x32GB DDR4-3200 PC4-25600 2Rx4 ECC Registered Server ...
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NEMIX RAM 128GB Replacement for Samsung M393AAG40M3B-CYF DDR4-2933 ECC RDIMM ...
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370-AEVQ - Dell Compatible 16GB PC4-25600 DDR4-3200Mhz 2Rx8 1.2v 288-Pin DDR4 ...
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128GB Kit (4 x 32GB) DDR4-3200 PC4-25600 ECC Registered Memory for ASRock Rack ...
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HP 872969-001 8GB (1x8GB) DDR4 2666 (PC4 21300) ECC Registered RDIMM Memory by ...
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Micron 16GB DDR4 3200 (PC4-25600) 1Rx8 CL22 1.2V RDIMM Server Memory Module - ...
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SAMSUNG RAM 16GB Replacement for Samsung M393A2K40DB3-CWE DDR4-3200 ECC ...
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64GB Kit 2x32GB 3200MHz RDIMM 2Rx4 for Dell Servers by Crucial server memory
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Crucial 16GB DDR4 SDRAM ECC Unbuffered DDR4 2666 (PC4 21300) Server Memory ...
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32GB(4X8GB) MEMORY RAM MTA9ASF1G72PZ-3G2E2TI 1XR8 PC4-3200AA REG ECC ...
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Kingston ValueRAM 128GB (4 x 32GB) 288-Pin DDR4 SDRAM ECC Registered DDR4 2400 (PC4 ...
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Crucial 32GB DDR4 3200 (PC4-25600) RDIMM CL22 Server Memory Module
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Crucial DDR4 64GB (4 x 16GB) 2666 MHz CL19 1.2v VLP RDIMM ECC - Registered Memory ...
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Micron 32GB PC4-19200 DDR4-2400MHz ECC Registered CL17 288-Pin DIMM 1.2V Dual ...
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NEMIX RAM 32GB 2x16GB DDR3-1600 PC3-12800 2Rx4 ECC Registered Memory
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SK hynix HMA82GR7CJR4N-WM 16GB 1RX4 PC4-2933Y DDR4 For server
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SK Hynix HMA81GR7CJR8N-XN 8GB DDR4 1RX8 PC4-3200AA ECC For server
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Kingston ValueRAM 288-Pin DDR4 SDRAM ECC Registered DDR4 2133 (PC4 17000) Server ...
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DDR4 RDIMM 32GB 2RX4 2666
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Synology D4ECSO-2666-16G Equivalent 16GB DDR4 2666 ECC SODIMM Server Memory RAM
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Differences between Desktop and Server Memory

Introduction

While many servers are compatible with both desktop and server memory, it is advantageous to use server RAM. Compared to desktop memory, computer server RAM has two major features make it more suited for the needs of servers. Those two major features are error correction code (ECC) and registered memory. Below, NeweggBusiness will detail why those two features are important for servers.

Error Correction Code (ECC)

It can sometimes also be referred to as error-correcting code. ECC is a feature that checks for and corrects errors in memory automatically without requiring input from the processor, operating system, or user. When data is saved onto server RAM, an algorithm generates a code that describes the data. The code is then saved along with the data. When the data is retrieved later, the RAM runs the same algorithm again. If the newly calculated code does not match the code stored with the data, the RAM attempts to repair the data by comparing the codes.

ECC memory has slightly slower performance than non-ECC memory, but increases system stability and reduces the likelihood of data corruption. It is important to not install ECC memory and non-ECC memory in the same system, or use it with a motherboard that does not support ECC. Doing either will result in ECC being disabled and may cause system instability.

Registry

Registered memory is a type of memory that has a hardware register between the RAM chips and the system memory controller. The register is a component that delays the transfer of data between the RAM and system memory controller to increase stability. Without a hardware register, the stability of the server RAM would decrease as the amount of memory increases. Registered memory allows for more RAM to be put onto one module without sacrificing stability.

Registered memory has slower performance than non-registered memory but is available in larger capacities. In an environment where quantity is preferred over performance, registered memory is the best option.

Load-Reduced Dual In-line Memory Module (LR-DIMM or LRDIMM)

A type of memory that allows for even more RAM chips on one module than registered memory. LR-DIMM memory utilizes a buffer instead of a register to support the increased memory. On the upper end of the price spectrum, LR-DIMM memory is mostly used by organizations with larger IT budgets.