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Server Only 8GB Memory Tyan Motherboards,B7071T80V8HR,B7071T80V8HR-2T
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NEMIX RAM 512GB 8x64GB DDR4 2933 PC4 23400 4Rx4 ECC Load Reduced Memory
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A6994446 - Dell Compatible 8GB PC3-12800 DDR3-1600MHz 2Rx8 1.5v Non-ECC UDIMM
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AA960024 - Dell Compatible 8GB PC4-25600 DDR4-3200Mhz 1Rx8 1.2v 260-Pin DDR4 ...
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370-ADOR - Dell Compatible 16GB PC4-21300 DDR4-2666Mhz 2RX8 1.2v ECC Registered ...
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SNP12C23C/16G A7187318 16GB for DELL PowerEdge T620 by Avarum
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NEMIX RAM 16GB DDR4-2666 1Rx4 RDIMM for Intel R1304WF0YS
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16GB DDR4 2666MHz PC4-21300 2RX8 RDIMM (Hynix HMA82GR7CJR8N-VK Equivalent) ...
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32GB DDR4-2666 RDIMM Memory for Gigabyte MZ01-CE0 AMD EPYC by Nemix Ram
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32GB RDIMM Memory for HP ProLiant ML150 G9 Server DDR4-2666 by Nemix Ram
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HP 647653-08S 16GB (1x16GB) DDR3 1333 (PC3 10600) ECC Registered RDIMM Memory by ...
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512MB Black Diamond Memory Module for Sony VAIO VGN-A Series A140B11 DDR SO-DIMM ...
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128MB Black Diamond Memory Module for Twinhead N Series N2300 800MHz - 1.0GHz SDRAM ...
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HP 593915-B21 16GB DDR3 1066 (PC3 8500) RDIMM Memory for HP ProLiant ML350 G6 Server
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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.