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NEMIX RAM N8102-677F for NEC Express5800/R120g-1E 16GB (1x16GB) RDIMM Memory
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UCS-ML-1X644RV-A 64GB for CISCO UCS B-Series B200 M4 by Nemix Ram
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4GB EUDIMM Memory for HP StoreEasy 1540 DDR3L-1600 by Nemix Ram
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IBM 46C7483 16GB DDR3 1066 (PC3 8500) RDIMM Memory for IBM System x3200 M3 Server
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HYXPX - Dell Compatible 8GB PC4-21300 DDR4-2666MHz 1Rx8 1.2v Non-ECC SODIMM
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NEMIX RAM N8102-618 for NEC Express5800/R120f-1M 16GB (2x8GB) RDIMM Memory
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2GB RAM Memory for Intel Server System SR1695WB 240pin PC3-6400 DDR3 ECC UDIMM ...
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SK Hynix HMA82GR7CJR8N-WM 16G 2RX8 PC4-2933Y REG For Server
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NEMIX RAM 64GB 8x8GB DDR4-2666 PC4-21300 2Rx8 ECC Registered Memory
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SK hynix DDR4-2666 32GB/2Gx4 ECC/REG CL19 Server Memory
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Avarum RAM For 32GB DDR4-2666 2Rx4 LRDIMM for Intel HNS2600TPFR (Samsung ...
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NEMIX RAM 16GB DDR3-1600 2Rx4 RDIMM for Intel R2308IP4LHPC
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Samsung 128GB 16x8GB DDR4-2400 PC4-19200 1Rx4 ECC Registered Memory
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SNPNVHFYC/16G - Dell Compatible 16GB PC4-19200 DDR4-2400MHz 2Rx8 1.2v ECC ...
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512MB Black Diamond Memory Module for Sony VAIO VGN-A Series A140B4 DDR SO-DIMM ...
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SAMSUNG 2GB 240-Pin DDR2 SDRAM ECC Fully Buffered DDR2 667 (PC2 5300) Server Memory ...
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128GB Kit 4 x 32GB DDR4-2933 PC4-23400 ECC Sodimm 2Rx8 Memory by Nemix Ram
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NEMIX RAM 8GB DDR4-2133 PC4-17000 Replacement for DELL SNP09WKPC/8G
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NEMIX RAM 16GB DDR4-2666 2Rx4 RDIMM for Intel R1304WFTYS
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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.