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16GB RAM Replacement for HP N20161-001 | DDR5 4800MHz PC5-38400 ECC RDIMM 1Rx8 Server Memory
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16GB RAM Replacement for HP N20161-001 | DDR5 4800MHz PC5-38400 ECC RDIMM 1Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL40
  • Voltage: 1.10V
  • Rank: 1Rx8 (EC8)
  • Model #: NE-PNR-1807
  •  
  • $503.11 
16GB RAM Replacement for Micron MTC10F1084S1RC48BA12, MTC10F1084S1RC48BAVHCCG | DDR5 4800MHz PC5-38400 ECC RDIMM 1Rx8 (EC8) Server Memory
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16GB RAM Replacement for Micron MTC10F1084S1RC48BA12, MTC10F1084S1RC48BAVHCCG | DDR5 4800MHz PC5-38400 ECC RDIMM 1Rx8 (EC8) Server Memory
  • Brand: A-Tech
  • Series: Compatible Replacement for Micron MTC10F1084S1RC48BA12 MTC10F1084S1RC48BAVHCCG
  • Capacity: 16GB
  • Speed: DDR5 4800 (PC5 38400)
  • Model #: NE-PNR-2361
  •  
  • $524.69 
32GB RAM Replacement for Kingston KSM56R46BD8PMI-32MDI | DDR5 5600MHz PC5-44800 ECC RDIMM 2Rx8 (EC8) Server Memory
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32GB RAM Replacement for Kingston KSM56R46BD8PMI-32MDI | DDR5 5600MHz PC5-44800 ECC RDIMM 2Rx8 (EC8) Server Memory
  • Brand: A-Tech
  • Series: Compatible Replacement for Kingston KSM56R46BD8PMI-32MDI
  • Capacity: 32GB
  • Speed: DDR5 5600 (PC5 44800)
  • Model #: NE-PNR-2449
  •  
  • $982.82 
64GB RAM Replacement for Hynix HMAA8GL7CPR4N-XN | DDR4 3200MHz PC4-25600 ECC LRDIMM 4Rx4 Server Memory
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64GB RAM Replacement for Hynix HMAA8GL7CPR4N-XN | DDR4 3200MHz PC4-25600 ECC LRDIMM 4Rx4 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL22
  • Voltage: 1.20V
  • Rank: 4Rx4
  • Model #: NE-PNR-1881
  •  
  • $845.99 
128GB RAM Replacement for Samsung M386AAK40B40-CWD | DDR4 2666MHz PC4-21300 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
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128GB RAM Replacement for Samsung M386AAK40B40-CWD | DDR4 2666MHz PC4-21300 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL15
  • Voltage: 1.20V
  • Part Number: M386AAK40B40-CWD
  • Model #: NE-PNR-1537
  •  
  • $819.82 
Supermicro Certified MEM-DR464L-SL01-LR21 | Samsung M386A8K40BM1-CPB | 64GB PC4-17000 DDR4 2133MHz 4Rx4 Quad Rank ECC LRDIMM Load Reduced 288-Pin Server Memory RAM
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  •  
  • $210.17 
32GB RAM Replacement for Hynix HMCG84AGBRA | DDR5 5600MHz PC5-44800 ECC RDIMM 1Rx4 Server Memory
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32GB RAM Replacement for Hynix HMCG84AGBRA | DDR5 5600MHz PC5-44800 ECC RDIMM 1Rx4 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL40
  • Voltage: 1.10V
  • Rank: 1Rx4 (EC8)
  • Model #: NE-PNR-1902
  •  
  • $933.68 
64GB RAM Replacement for Cisco UCS-ML-X64G4RT-H, 15-106198-01 | DDR4 2933MHz PC4-23400 ECC LRDIMM 4Rx4 Server Memory
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64GB RAM Replacement for Cisco UCS-ML-X64G4RT-H, 15-106198-01 | DDR4 2933MHz PC4-23400 ECC LRDIMM 4Rx4 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL21
  • Voltage: 1.20V
  • Rank: 4Rx4
  • Model #: NE-PNR-1574
  •  
  • $432.35 
16GB RAM Replacement for Samsung M324R2GA3DB0-CWM, M324R2GA3PB0-CWM | DDR5 5600MHz PC5-44800 ECC UDIMM 1Rx8 (EC4) Server Memory
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16GB RAM Replacement for Samsung M324R2GA3DB0-CWM, M324R2GA3PB0-CWM | DDR5 5600MHz PC5-44800 ECC UDIMM 1Rx8 (EC4) Server Memory
  • Brand: A-Tech
  • Series: Compatible Replacement for Samsung M324R2GA3DB0-CWM M324R2GA3PB0-CWM
  • Capacity: 16GB
  • Speed: DDR5 5600 (PC5 44800)
  • Model #: NE-PNR-2375
  •  
  • $439.99 
  • Free Shipping
32GB RAM Replacement for Kingston KSM48E40BD8KI-32HA | DDR5 4800MHz PC5-38400 ECC UDIMM 2Rx8 (EC4) Server Memory
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32GB RAM Replacement for Kingston KSM48E40BD8KI-32HA | DDR5 4800MHz PC5-38400 ECC UDIMM 2Rx8 (EC4) Server Memory
  • Brand: A-Tech
  • Series: Compatible Replacement for Kingston KSM48E40BD8KI-32HA
  • Capacity: 32GB
  • Speed: DDR5 4800 (PC5 38400)
  • Model #: NE-PNR-2459
  •  
  • $779.99 
  • Free Shipping
128GB RAM Replacement for Samsung M386AAK40B40-CTC, M386AAK40B40-CUC | DDR4 2400MHz PC4-19200 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
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128GB RAM Replacement for Samsung M386AAK40B40-CTC, M386AAK40B40-CUC | DDR4 2400MHz PC4-19200 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
  • Chipset: Samsung Chipset
  • CAS Latency: CL17
  • Voltage: 1.20V
  • Rank: 2S4Rx4 (8Rx4)
  • Model #: NE-PNR-2295
  •  
  • $691.77 
128GB RAM Replacement for Hynix HMABAGL7M4R4N-UL | DDR4 2400MHz PC4-19200 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
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128GB RAM Replacement for Hynix HMABAGL7M4R4N-UL | DDR4 2400MHz PC4-19200 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL17
  • Voltage: 1.20V
  • Rank: 2S4Rx4 (8Rx4)
  • Model #: NE-PNR-1833
  •  
  • $691.77 
16GB RAM Replacement for Samsung M321R2GA3PB1-CCP, M321R2GA3EB2-CCP | DDR5 6400MHz PC5-51200 ECC RDIMM 1Rx8 (EC8) Server Memory
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16GB RAM Replacement for Samsung M321R2GA3PB1-CCP, M321R2GA3EB2-CCP | DDR5 6400MHz PC5-51200 ECC RDIMM 1Rx8 (EC8) Server Memory
  • Brand: A-Tech
  • Series: Compatible Replacement for Samsung M321R2GA3PB1-CCP M321R2GA3EB2-CCP
  • Capacity: 16GB
  • Speed: DDR5 6400 (PC5 51200)
  • Model #: NE-PNR-2370
  •  
  • $692.99 
16GB RAM Replacement for Dell SNP1V1N1C/16G | DDR5 4800MHz PC5-38400 ECC RDIMM 1Rx8 Server Memory
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16GB RAM Replacement for Dell SNP1V1N1C/16G | DDR5 4800MHz PC5-38400 ECC RDIMM 1Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL40
  • Voltage: 1.10V
  • Rank: 1Rx8 (EC8)
  • Model #: NE-PNR-1648
  •  
  • $503.11 
A-Tech 64GB (8x8GB) 2Rx8 PC4-17000E DDR4 2133 MHz ECC UDIMM Unbuffered DIMM 288-Pin Dual Rank x8 Server & Workstation RAM Memory Upgrade Kit
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A-Tech 64GB (8x8GB) 2Rx8 PC4-17000E DDR4 2133 MHz ECC UDIMM Unbuffered DIMM 288-Pin Dual Rank x8 Server & Workstation RAM Memory Upgrade Kit
  • Chipset: Major Brand Chipset
  • CAS Latency: CL15
  • Voltage: 1.20V
  • Part Number: AT8G8D4D2133UD8N12V
  • Model #: AT8G8D4D2133UD8N12V
  •  
  • $739.09 
  • Free Shipping
A-Tech 64GB (8x8GB) 1Rx8 PC4-19200E DDR4 2400 MHz ECC UDIMM Unbuffered DIMM 288-Pin Single Rank x8 Server & Workstation RAM Memory Upgrade Kit
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A-Tech 64GB (8x8GB) 1Rx8 PC4-19200E DDR4 2400 MHz ECC UDIMM Unbuffered DIMM 288-Pin Single Rank x8 Server & Workstation RAM Memory Upgrade Kit
  • Chipset: Major Brand Chipset
  • CAS Latency: CL17
  • Voltage: 1.20V
  • Part Number: AT8G8D4D2400US8N12V
  • Model #: AT8G8D4D2400US8N12V
  •  
  • $739.09 
  • Free Shipping
32GB RAM Replacement for Kingston KSM56R46BS4PMI-HAI | DDR5 5600MHz PC5-44800 ECC RDIMM 1Rx4 (EC8) Server Memory
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32GB RAM Replacement for Kingston KSM56R46BS4PMI-HAI | DDR5 5600MHz PC5-44800 ECC RDIMM 1Rx4 (EC8) Server Memory
  • Brand: A-Tech
  • Series: Compatible Replacement for Kingston KSM56R46BS4PMI-HAI
  • Capacity: 32GB
  • Speed: DDR5 5600 (PC5 44800)
  • Model #: NE-PNR-2442
  •  
  • $933.68 
32GB RAM Replacement for Hynix HMCG84MEBQA174N | DDR5 4800MHz PC5-38400 ECC RDIMM 1Rx4 (EC4) Server Memory
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32GB RAM Replacement for Hynix HMCG84MEBQA174N | DDR5 4800MHz PC5-38400 ECC RDIMM 1Rx4 (EC4) Server Memory
  • Brand: A-Tech
  • Series: Compatible Replacement for Hynix HMCG84MEBQA174N
  • Capacity: 32GB
  • Speed: DDR5 4800 (PC5 38400)
  • Model #: NE-PNR-2425
  •  
  • $827.63 
32GB RAM Replacement for Micron MTC20F1045S1RC48BAT, MTC20F1045S1RC48BAUHCCG | DDR5 4800MHz PC5-38400 ECC RDIMM 1Rx4 (EC8) Server Memory
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32GB RAM Replacement for Micron MTC20F1045S1RC48BAT, MTC20F1045S1RC48BAUHCCG | DDR5 4800MHz PC5-38400 ECC RDIMM 1Rx4 (EC8) Server Memory
  • Brand: A-Tech
  • Series: Compatible Replacement for Micron MTC20F1045S1RC48BAT MTC20F1045S1RC48BAUHCCG
  • Capacity: 32GB
  • Speed: DDR5 4800 (PC5 38400)
  • Model #: NE-PNR-2431
  •  
  • $827.63 
32GB RAM Replacement for IBM-Lenovo 4X77A77030, 4X77A77483, 4X77A81439 | DDR5 4800MHz PC5-38400 ECC RDIMM 1Rx4 (EC4) Server Memory
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32GB RAM Replacement for IBM-Lenovo 4X77A77030, 4X77A77483, 4X77A81439 | DDR5 4800MHz PC5-38400 ECC RDIMM 1Rx4 (EC4) Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL40
  • Voltage: 1.10V
  • Rank: 1Rx4 (EC4)
  • Model #: 5053772486744
  •  
  • $827.63 
AddOn 16GB DDR4-3200MHz Registered ECC Dual Rank x8 1.2V 288-pin CL17 RDIMM JEDEC Standard Factory Original Model AM3200D4DR8RN/16G
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AddOn 16GB DDR4-3200MHz Registered ECC Dual Rank x8 1.2V 288-pin CL17 RDIMM JEDEC Standard Factory Original Model AM3200D4DR8RN/16G

OUT OF STOCK

  • Brand: AddOn - Memory Upgrades
  • Capacity: 16GB
  • Speed: DDR4 3200 (PC4 25600)
  • CAS Latency: CL17
  • Model #: AM3200D4DR8RN/16G
32GB RAM Replacement for Hynix HMCG88MEBRA113N, HMCG88MEBRA115N, HMCG88MEBRA174N | DDR5 4800MHz PC5-38400 ECC RDIMM 2Rx8 Server Memory
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32GB RAM Replacement for Hynix HMCG88MEBRA113N, HMCG88MEBRA115N, HMCG88MEBRA174N | DDR5 4800MHz PC5-38400 ECC RDIMM 2Rx8 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL40
  • Voltage: 1.10V
  • Rank: 2Rx8 (EC8)
  • Model #: NE-PNR-1898
  •  
  • $931.08 
A-Tech 64GB (8x8GB) 1Rx8 PC4-21300E DDR4 2666 MHz ECC UDIMM Unbuffered DIMM 288-Pin Single Rank x8 Server & Workstation RAM Memory Upgrade Kit
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A-Tech 64GB (8x8GB) 1Rx8 PC4-21300E DDR4 2666 MHz ECC UDIMM Unbuffered DIMM 288-Pin Single Rank x8 Server & Workstation RAM Memory Upgrade Kit
  • Chipset: Major Brand Chipset
  • CAS Latency: CL19
  • Voltage: 1.20V
  • Part Number: AT8G8D4D2666US8N12V
  • Model #: AT8G8D4D2666US8N12V
  •  
  • $959.92 
  • Free Shipping
Supermicro Certified MEM-DR464L-SL01-ER24 | Samsung M393A8K40B21-CTC | 64GB PC4-19200 DDR4 2400MHz 2S2Rx4 (4Rx4) 3DS/TSV Quad Rank ECC RDIMM Registered 288-Pin Server Memory RAM
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  •  
  • $259.99 
A-Tech 128GB (8x16GB) 2Rx8 PC4-19200E DDR4 2400 MHz ECC UDIMM Unbuffered DIMM 288-Pin Dual Rank x8 Server & Workstation RAM Memory Upgrade Kit
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A-Tech 128GB (8x16GB) 2Rx8 PC4-19200E DDR4 2400 MHz ECC UDIMM Unbuffered DIMM 288-Pin Dual Rank x8 Server & Workstation RAM Memory Upgrade Kit
  • Chipset: Major Brand Chipset
  • CAS Latency: CL17
  • Voltage: 1.20V
  • Part Number: AT16G8D4D2400UD8N12V
  • Model #: AT16G8D4D2400UD8N12V
  •  
  • $1,119.92 
A-Tech 32GB 1Rx4 PC5-41600R DDR5 5200 MHz EC8 RDIMM ECC Registered DIMM 288-Pin Single Rank x4 Server & Workstation RAM Memory Upgrade Module
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A-Tech 32GB 1Rx4 PC5-41600R DDR5 5200 MHz EC8 RDIMM ECC Registered DIMM 288-Pin Single Rank x4 Server & Workstation RAM Memory Upgrade Module
  • Chipset: Major Brand Chipset
  • CAS Latency: CL42
  • Voltage: 1.10V
  • Multi-channel Kit: Single Module
  • Model #: AT32G1D5D5200RS4EC8N11V
  •  
  • $940.49 
Kingston 16GB DDR4- RAM Memory Speed 3200MHz Reg ECC Dual Rank Module - KTL-TS432D8P/16G
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Kingston 16GB DDR4- RAM Memory Speed 3200MHz Reg ECC Dual Rank Module - KTL-TS432D8P/16G

OUT OF STOCK

  • CAS Latency: CL22
  • Voltage: 1.20V
  • Type: 288-Pin DDR4 SDRAM
  • Rank: 2Rx8
  • Model #: KTL-TS432D8P/16G
  • COMING SOON
128GB RAM Replacement for Micron MTA72ASS16G72LZ-2G9, MTA72ASS16G72LZ-2G9B3 | DDR4 2933MHz PC4-23400 ECC LRDIMM 4DRx4/4Rx4 Server Memory
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128GB RAM Replacement for Micron MTA72ASS16G72LZ-2G9, MTA72ASS16G72LZ-2G9B3 | DDR4 2933MHz PC4-23400 ECC LRDIMM 4DRx4/4Rx4 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL21
  • Voltage: 1.20V
  • Part Number: MTA72ASS16G72LZ-2G9, MTA72ASS16G72LZ-2G9B3
  • Model #: NE-PNR-1533
  •  
  • $1,196.99 
128GB RAM Replacement for IBM-Lenovo 4X77A12203, 02YH049 | DDR4 2933MHz PC4-23400 ECC LRDIMM 4DRx4/4Rx4 Server Memory
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128GB RAM Replacement for IBM-Lenovo 4X77A12203, 02YH049 | DDR4 2933MHz PC4-23400 ECC LRDIMM 4DRx4/4Rx4 Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL21
  • Voltage: 1.20V
  • Part Number: 4X77A12203, 02YH049
  • Model #: NE-PNR-1539
  •  
  • $1,196.99 
128GB RAM Replacement for Hynix HMABAGL7A4R4N-WR | DDR4 2933MHz PC4-23400 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
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128GB RAM Replacement for Hynix HMABAGL7A4R4N-WR | DDR4 2933MHz PC4-23400 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL21
  • Voltage: 1.20V
  • Part Number: HMABAGL7A4R4N-WR
  • Model #: NE-PNR-1538
  •  
  • $1,196.99 
128GB RAM Replacement for Fujitsu S26361-F4083-L929, S26361-F4083-E929 | DDR4 2933MHz PC4-23400 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
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128GB RAM Replacement for Fujitsu S26361-F4083-L929, S26361-F4083-E929 | DDR4 2933MHz PC4-23400 ECC LRDIMM 2S4Rx4 (8Rx4 3DS/TSV) Server Memory
  • Chipset: Major Brand Chipset
  • CAS Latency: CL21
  • Voltage: 1.20V
  • Part Number: S26361-F4083-L929, S26361-F4083-E929
  • Model #: NE-PNR-1531
  •  
  • $1,196.99 

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:

Matthew D.
7/29/2023 12:51:29 PM
Works with Ryzen Pro 4350G and Asrock B550 Mini-ITX

“ Highly recommended if you are building a home server on a Ryzen platform and need ECC ram that is compatible. ”

NEMIX RAM 32GB (2X16GB) DDR4 3200MHZ PC4-25600 2Rx8 1.2V 288-PIN ECC Unbuffered UDIMM KIT
Thomas
6/14/2022 1:17:58 PM
Works great in a consumer build

“ An advantage of this server memory is it works out of the box with the BIOS with no overclock profile required and runs at 1.2V. ”

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