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16GB RAM Replacement for Samsung M391A2K43DB1-CWE | DDR4 3200MHz PC4-25600 ECC UDIMM 2Rx8 Server Memory
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16GB RAM Replacement for Samsung M391A2K43DB1-CWE | DDR4 3200MHz PC4-25600 ECC UDIMM 2Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL22
  • Voltage: 1.20V
  • Rank: 2Rx8
  • Model #: 5053772479579
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  • $239.99 
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16GB RAM Replacement for Micron MTA9ASF2G72AZ-3G2B1, MTA9ASF2G72AZ-3G2F1 | DDR4 3200MHz PC4-25600 ECC UDIMM 1Rx8 Server Memory
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16GB RAM Replacement for Micron MTA9ASF2G72AZ-3G2B1, MTA9ASF2G72AZ-3G2F1 | DDR4 3200MHz PC4-25600 ECC UDIMM 1Rx8 Server Memory
  • Chipset: Micron Chipset
  • CAS Latency: CL22
  • Voltage: 1.20V
  • Rank: 1Rx8
  • Model #: NE-PNR-2118
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  • $239.99 
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16GB RAM Replacement for Hynix HMAA2GU7CJR8N-XN | DDR4 3200MHz PC4-25600 ECC UDIMM 1Rx8 Server Memory
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16GB RAM Replacement for Hynix HMAA2GU7CJR8N-XN | DDR4 3200MHz PC4-25600 ECC UDIMM 1Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL22
  • Voltage: 1.20V
  • Rank: 1Rx8
  • Model #: NE-PNR-1857
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  • $239.99 
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SuperMicro 8GB ECC Registered DDR3 1866 (PC3 14900) Server Memory Model MEM-DR380L-HL02-ER18
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Supermicro
SuperMicro 8GB ECC Registered DDR3 1866 (PC3 14900) Server Memory Model MEM-DR380L-HL02-ER18
  • CAS Latency: CL13
  • Voltage: 1.50V
  • Type: 240-Pin DDR3 SDRAM
  • Rank: 2Rx8
  • Model #: MEM-DR380L-HL02-ER18
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  • $85.78 
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16GB RAM Replacement for Samsung M393A2K40DB2-CWE, M393A2K40DB3-CWE | DDR4 3200MHz PC4-25600 ECC RDIMM 1Rx4 Server Memory
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16GB RAM Replacement for Samsung M393A2K40DB2-CWE, M393A2K40DB3-CWE | DDR4 3200MHz PC4-25600 ECC RDIMM 1Rx4 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL22
  • Voltage: 1.20V
  • Rank: 1Rx4
  • Model #: 5053772478558
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  • $247.49 
32GB RAM Replacement for Samsung M391A4G43MB1-CTD | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
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32GB RAM Replacement for Samsung M391A4G43MB1-CTD | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 2Rx8
  • Model #: 5053772479500
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  • $358.79 
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8GB RAM Replacement for HP 3TQ39AA, 3TQ39AT, 4UY11UT, 879505-B21, 879526-091 | DDR4 2666MHz PC4-21300 ECC UDIMM 1Rx8 Server Memory
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8GB RAM Replacement for HP 3TQ39AA, 3TQ39AT, 4UY11UT, 879505-B21, 879526-091 | DDR4 2666MHz PC4-21300 ECC UDIMM 1Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 1Rx8
  • Model #: 5053772484924
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  • $129.99 
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16GB RAM Replacement for Micron MTA18ADF2G72AZ-2G3, MTA18ASF2G72AZ-2G3, MTA18ASF2G72AZ-2G3B1 | DDR4 2400MHz PC4-19200 ECC UDIMM 2Rx8 Server Memory
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  • $197.99 
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KINGSTON TECHNOLOGY SERVER KTD-PE426S8/8G 8GB ECC REG DDR4 2666MHZ MODULE
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32GB RAM Replacement for Micron MTA36ASF4G72LZ-2G3, MTA36ASF4G72LZ-2G3A1, MTA36ASF4G72LZ-2G3B1 | DDR4 2400MHz PC4-19200 ECC LRDIMM 2Rx4 Server Memory
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  • $199.99 
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16GB RAM Replacement for Hynix HMCG78MEBEA, HMCG78MEBEA081N | DDR5 4800MHz PC5-38400 ECC UDIMM 1Rx8 Server Memory
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16GB RAM Replacement for Hynix HMCG78MEBEA, HMCG78MEBEA081N | DDR5 4800MHz PC5-38400 ECC UDIMM 1Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL40
  • Voltage: 1.10V
  • Rank: 1Rx8 (EC4)
  • Model #: NE-PNR-1899
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  • $399.99 
32GB RAM Replacement for Samsung M393A4G43AB3-CWE | DDR4 3200MHz PC4-25600 ECC RDIMM 2Rx8 Server Memory
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32GB RAM Replacement for Samsung M393A4G43AB3-CWE | DDR4 3200MHz PC4-25600 ECC RDIMM 2Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL22
  • Voltage: 1.20V
  • Rank: 2Rx8
  • Model #: 5053772479494
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  • $414.76 
16GB RAM Replacement for Samsung M393A2K40CB2-CVF, M393A2K40DB2-CVF | DDR4 2933MHz PC4-23400 ECC RDIMM 1Rx4 Server Memory
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16GB RAM Replacement for Samsung M393A2K40CB2-CVF, M393A2K40DB2-CVF | DDR4 2933MHz PC4-23400 ECC RDIMM 1Rx4 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL21
  • Voltage: 1.20V
  • Rank: 1Rx4
  • Model #: 5053772478534
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  • $206.99 
32GB RAM Replacement for Kingston KSM26ED8/32HA, KSM26ED8/32ME, KTD-PE426E/32G | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
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32GB RAM Replacement for Kingston KSM26ED8/32HA, KSM26ED8/32ME, KTD-PE426E/32G | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 2Rx8
  • Model #: 5053772488335
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  • $358.79 
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4GB RAM Replacement for HP 662609-571, 662609-574, 669238-071, 669322-B21, 669322-B212, 682413-001, 684034-001, A2H32AV | DDR3 1600MHz PC3-12800 ECC UDIMM 2Rx8 Server Memory
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  • $26.60 
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16GB RAM Replacement for Dell AB600820, AB663418, SNP2YH1KC/16G, SNPR1WG8C/16G | DDR4 3200MHz PC4-25600 ECC UDIMM 1Rx8 Server Memory
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16GB RAM Replacement for Dell AB600820, AB663418, SNP2YH1KC/16G, SNPR1WG8C/16G | DDR4 3200MHz PC4-25600 ECC UDIMM 1Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL22
  • Voltage: 1.20V
  • Rank: 1Rx8
  • Model #: 5053772482388
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  • $239.99 
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16GB RAM Replacement for Hynix HMA82GU7DJR8N-XN | DDR4 3200MHz PC4-25600 ECC UDIMM 2Rx8 Server Memory
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16GB RAM Replacement for Hynix HMA82GU7DJR8N-XN | DDR4 3200MHz PC4-25600 ECC UDIMM 2Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL22
  • Voltage: 1.20V
  • Rank: 2Rx8
  • Model #: NE-PNR-1879
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  • $239.99 
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16GB RAM Replacement for Micron MTA18ASF2G72PZ-3G2E2, MTA18ASF2G72PZ-3G2R1 | DDR4 3200MHz PC4-25600 ECC RDIMM 1Rx4 Server Memory
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  • $247.49 
32GB RAM Replacement for Micron MTA18ADF4G72AZ-2G6B2 | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
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32GB RAM Replacement for Micron MTA18ADF4G72AZ-2G6B2 | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
  • Chipset: Micron Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 2Rx8
  • Model #: NE-PNR-2105
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  • $358.79 
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Black Diamond Memory 16GB (2 x 8GB) ECC Unbuffered DDR3 1600 (PC3 12800) Server Memory Model BD8GX21600MTO22
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  • $699.99 
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Supermicro Certified MEM-DR432MD-ER32 | Micron MTA18ASF4G72PDZ-3G2E1 | 32GB PC4-25600 DDR4 3200MHz 2Rx8 Dual Rank ECC RDIMM Registered 288-Pin Server Memory RAM
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Supermicro Certified MEM-DR432MD-ER32 | Micron MTA18ASF4G72PDZ-3G2E1 | 32GB PC4-25600 DDR4 3200MHz 2Rx8 Dual Rank ECC RDIMM Registered 288-Pin Server Memory RAM
  • Chipset: Micron Chipset
  • CAS Latency: CL22
  • Voltage: 1.20V
  • Rank: 2Rx8
  • Model #: MEM-DR432MD-ER32 MTA18ASF4G72PDZ-3G2E1
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  • $397.46 
UCS-ML-X64G4RS-H 64GB for CISCO UCS C-Series C240 M5 by SAMSUNG RAM Model of M386A8K40BM2-CTD
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SAMSUNG
UCS-ML-X64G4RS-H 64GB for CISCO UCS C-Series C240 M5 by SAMSUNG RAM Model of M386A8K40BM2-CTD
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Type: 288-Pin DDR4 SDRAM
  • Model #: FN844
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  • $298.16 
64GB RAM Replacement for Hynix HMAA8GL7MMR4N-TF | DDR4 2133MHz PC4-17000 ECC LRDIMM 4Rx4 Server Memory
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64GB RAM Replacement for Hynix HMAA8GL7MMR4N-TF | DDR4 2133MHz PC4-17000 ECC LRDIMM 4Rx4 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL15
  • Voltage: 1.20V
  • Rank: 4Rx4
  • Model #: 5053772479777
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  • $278.38 
16GB RAM Replacement for Samsung M324R2GA3BB0-CQK | DDR5 4800MHz PC5-38400 ECC UDIMM 1Rx8 Server Memory
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16GB RAM Replacement for Samsung M324R2GA3BB0-CQK | DDR5 4800MHz PC5-38400 ECC UDIMM 1Rx8 Server Memory
  • Chipset: Samsung Chipset
  • CAS Latency: CL40
  • Voltage: 1.10V
  • Rank: 1Rx8 (EC4)
  • Model #: NE-PNR-2279
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  • $399.99 
A-Tech 16GB 1Rx8 PC4-25600R DDR4 3200 MHz ECC RDIMM Registered DIMM 288-Pin Single Rank x8 Server & Workstation RAM Memory Upgrade Module
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A-Tech 16GB 1Rx8 PC4-25600R DDR4 3200 MHz ECC RDIMM Registered DIMM 288-Pin Single Rank x8 Server & Workstation RAM Memory Upgrade Module
  • Chipset: Major Brand Chipset
  • CAS Latency: CL22
  • Voltage: 1.20V
  • Multi-channel Kit: Single Module
  • Model #: AT16G1D4D3200RS8N12V
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  • $265.64 
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Supermicro Certified MEM-DR464L-HL02-LR24 | Hynix 64GB PC4-19200 DDR4 2400MHz 4Rx4 Quad Rank ECC LRDIMM Load Reduced 288-Pin Server Memory RAM
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Supermicro Certified MEM-DR464L-HL02-LR24 | Hynix 64GB PC4-19200 DDR4 2400MHz 4Rx4 Quad Rank ECC LRDIMM Load Reduced 288-Pin Server Memory RAM
  • Chipset: Major Brand Chipset
  • CAS Latency: CL17
  • Voltage: 1.20V
  • Rank: 4Rx4
  • Model #: MEM-DR464L-HL02-LR24
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  • $289.52 
Supermicro Certified MEM-DR464L-HL02-LR26 | Hynix 64GB PC4-21300 DDR4 2666MHz 4Rx4 Quad Rank ECC LRDIMM Load Reduced 288-Pin Server Memory RAM
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Supermicro Certified MEM-DR464L-HL02-LR26 | Hynix 64GB PC4-21300 DDR4 2666MHz 4Rx4 Quad Rank ECC LRDIMM Load Reduced 288-Pin Server Memory RAM
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 4Rx4
  • Model #: MEM-DR464L-HL02-LR26
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  • $291.68 
32GB RAM Replacement for Samsung M393A4G40AB3-CWE, M393A4G40BB3-CWE | DDR4 3200MHz PC4-25600 ECC RDIMM 1Rx4 Server Memory
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32GB RAM Replacement for Samsung M393A4G40AB3-CWE, M393A4G40BB3-CWE | DDR4 3200MHz PC4-25600 ECC RDIMM 1Rx4 Server Memory
  • Chipset: Samsung Chipset
  • CAS Latency: CL22
  • Voltage: 1.20V
  • Rank: 1Rx4
  • Model #: NE-PNR-2310
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  • $441.62 
32GB RAM Replacement for Hynix HMAA4GU7AJR8N-VK | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
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32GB RAM Replacement for Hynix HMAA4GU7AJR8N-VK | DDR4 2666MHz PC4-21300 ECC UDIMM 2Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 2Rx8
  • Model #: 5053772479999
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  • $358.79 
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64GB RAM Replacement for HP 726724-B21, 752373-091, 752373-G91, 774176-001, M4Z04AA | DDR4 2133MHz PC4-17000 ECC LRDIMM 4Rx4 Server Memory
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  • $278.38 
16GB RAM Replacement for HP N04487-001 | DDR5 4800MHz PC5-38400 ECC UDIMM 1Rx8 Server Memory
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16GB RAM Replacement for HP N04487-001 | DDR5 4800MHz PC5-38400 ECC UDIMM 1Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL40
  • Voltage: 1.10V
  • Rank: 1Rx8 (EC4)
  • Model #: NE-PNR-1811
  •  
  • $399.99 
Supermicro Certified MEM-DR432LC-ER26 | Micron MTA36ASF4G72PZ-2G6E1 | 32GB PC4-21300 DDR4 2666MHz 2Rx4 Dual Rank ECC RDIMM Registered 288-Pin Server Memory RAM
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Supermicro Certified MEM-DR432LC-ER26 | Micron MTA36ASF4G72PZ-2G6E1 | 32GB PC4-21300 DDR4 2666MHz 2Rx4 Dual Rank ECC RDIMM Registered 288-Pin Server Memory RAM
  • Chipset: Micron Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Rank: 2Rx4
  • Model #: MEM-DR432LC-ER26 MTA36ASF4G72PZ-2G6E1
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  • $165.01 
CORSAIR WS RDIMM Series 256GB (8 x 32GB) ECC Registered DDR5 5600 (PC5 44800) Server Memory
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Corsair
CORSAIR WS RDIMM Series 256GB (8 x 32GB) ECC Registered DDR5 5600 (PC5 44800) Server Memory

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  • Chipset: INTEL XMP 3.0
  • CAS Latency: CL40
  • Timing: 40-40-40-77
  • Voltage: 1.25V
  • Model #: CMA256GX5M8B5600C40
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Black Diamond Memory 8GB ECC Unbuffered DDR3 1600 (PC3 12800) Server Memory Model BD8G1600MTO22
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  • $149.99 
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Choosing the right server memory can boost the performance and reliability of your data center by checking for data errors and reducing electrical loads. There are different types of server RAM to prevent crashes, correct inaccuracies in your data or allow for faster operation.

ECC Memory Uses Algorithms to Constantly Check Data for Errors

ECC server memory can prevent system failure and data corruption, which is particularly important in data centers and business environments, such as healthcare and finance. ECC memory adds a ""parity bit"" to each binary code to detect errors. When writing data, this type of system-specific memory creates and stores an ECC code. When it reads data, ECC memory creates a new ECC code and compares it to the one it had previously stored. If there are errors, the memory decrypts the corrupted data and corrects it immediately. ECC computer memory uses algorithms to continually check for single-bit errors as the server processes data. This type of server memory can be slower than others, but it reduces system crashes. It also tends to be more expensive. The other components of the server, such as the processor and motherboard, must support ECC memory.

Registered Memory Puts Less Strain on CPU Memory Controller

There are two types of ECC server memory: unbuffered and registered. When using unbuffered memory, the CPU communicates directly with the data banks for faster performance. Registered memory has registers on each memory bank module. The CPU needs to communicate with the registers first, then the registers communicate with the DRAM. This process means that every instruction from the server requires at least one extra CPU cycle, resulting in slower performance. However, registered server memory puts less strain on the CPU's memory controller, and increases reliability, a useful choice in data centers and business settings. Registered memory works with the DDR, DDR2 and DDR3 modules of many server models. 

Load-reduced Dual Inline Memory Modules Reduce Electrical Loading on the Memory Bus

A load-reduced dual inline memory module (LRDIMM) is a type of server memory that reduces electrical loading on the memory bus. LRDIMMs have a memory buffer chip for each module that goes into the parallel memory bus. This way, they do not connect directly to the bus like other types of memory. When a server only has LRDIMMs as dynamic RAM, the memory controllers shift from parallel to serial mode, so the memory buffer handles all the read and write operations. Thanks to the reduced electrical load, LRDIMMs typically work faster than registered memory. 

Dynamic RAM Is Common as Main Memory

When considering desktop memory, there are two types of server RAM: static and dynamic. Static RAM (SRAM) has a more complex construction, with latches and transistors. Each block of memory requires six transistors. SRAM consumes less power than dynamic RAM (DRAM) and it is faster, but it is only available in smaller storage sizes. Since SRAM has a short access time, it is most common as cache memory. DRAM has a larger access time, so it is more common as the main memory. It is generally more expensive than SRAM. These factors also apply to laptop memory.

Bestselling Server Memory Reviews:

Thomas
6/14/2022 1:17:58 PM
Works great in a consumer build

“ Additionally there is no overclocking or other BIOS changes required by this server memory. ”

Micron DDR4-3200 32GB/4Gx72 ECC CL22 Server Memory