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Kingston KSM48E40BD8KI-32HA 32GB DDR5 SDRAM Memory Module - For Motherboard, ...
Black Diamond Memory 16GB (2 x 8GB) ECC Registered DDR4 2933 (PC4 23400) Server ...
$499 .99
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Axiom 16GB ECC Registered DDR3 1866 (PC3 14900) Server Memory Model A7187318-AX
$124 .10
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Black Diamond Memory 8GB ECC Unbuffered DDR4 2133 (PC4 17000) Server Memory Model ...
$199 .99
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Black Diamond Memory 128GB ECC Registered DDR4 2933 (PC4 23400) Server Memory ...
$3,096 .99
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Black Diamond Memory 16GB ECC Unbuffered DDR4 2133 (PC4 17000) Server Memory Model ...
$299 .99
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Black Diamond Memory 16GB (2 x 8GB) ECC Unbuffered DDR4 2133 (PC4 17000) Server ...
$699 .99
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V-COLOR 128GB (32GBx4) DDR5 6400MT/s PC5-51200 CL52 1.1V ECC R-DIMM Registered ...
$3,899 .99
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Black Diamond Memory 16GB ECC Registered DDR4 2933 (PC4 23400) Server Memory Model ...
$499 .99
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Micron MTC40F2047S1RC64BR DDR5 RDIMM 128GB 2Rx4 6400 CL52 (32Gbit) (Single Pack)
$6,988 .99
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V-COLOR 128GB (64GBx2) DDR5 5600MHz CL52 1.1V ECC Registered RDIMM ...
$3,999 .99
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Black Diamond Memory 32GB ECC Registered DDR4 2933 (PC4 23400) Server Memory Model ...
$450 .99
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Kingston KTH-PL432E/8G 8GB DDR4 SDRAM Memory Module - For Workstation - 8 GB - ...
$249 .99
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Black Diamond Memory 8GB ECC Registered DDR4 2933 (PC4 23400) Server Memory Model ...
$399 .99
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Black Diamond Memory 256GB (2 x 128GB) ECC Registered DDR4 2933 (PC4 23400) Server ...
$6,149 .99
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Black Diamond Memory 64GB ECC Registered DDR4 2933 (PC4 23400) Server Memory Model ...
$750 .99
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Black Diamond Memory 128GB (2 x 64GB) ECC Registered DDR4 2933 (PC4 23400) Server ...
$2,999 .99
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ADATA XPG 16GB (1x16GB) ECC Registered DDR5 5600 (PC5 44800) Memory Model ...
$449 .99
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G.SKILL G5 Series 128GB (8 x 16GB) ECC Registered DDR5 6000 (PC5 48000) Server Memory ...
$5,099 .99
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Kingston KTD-PE564D8-32G RAM Module - For Rack Server - 32 GB - DDR5-6400/PC5-51200 ...
$549 .99
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SAMSUNG M471B5173Bh0-Yk0 Memory Module-M471B5173Bh0-Yk0
$17 .70
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ADATA XPG 64GB (1x64GB) ECC Registered DDR5 5600 (PC5 44800) Memory Model ...
$1,799 .99
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Kingston KTDPN432E32G Kingston 32GB DDR4 SDRAM Memory Module - For Mobile ...
$699 .99
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Samsung M378A1K43CB2-CTD
$69 .69
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Samsung M471A1K43BB1-CTD
$90 .69
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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.