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Buy RAM: Powerful memory for your IT infrastructure

Efficient memory is the backbone of any high-performance IT environment. When buying RAM (random access memory), you should consider not only memory capacity and clock speed, but also compatibility, energy consumption, and error correction. it-market offers a wide selection of RAM modules.

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HPE P43337-B21
HPE 128 GB (1x128 GB) Quad Rank x4 DDR5 4800 CAS 46 39 39 EC8 Registered 3DS Smart Memory Kit
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HPE 819801-001
HPE 16GB 2Rx8 PC4-2133P-E-15 STND Kit
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Cisco MEM-1900-512U1GB
512MB to 1GB DRAM Upgrade (512MB ) for Cisco 1941 ISR
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Cisco 3rd MEM3725-128D
128MB DIMM DRAM for the Cisco 3725, compatible
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IBM 47J0209
IBM Lenovo - DDR3L - 8 GB - DIMM 240-PIN Very Low Profile 1333 MHz
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Cisco MEM-1900-1GB
1GB DRAM (1 DIMM) for Cisco 1941/1941W ISR, Spare
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Cisco M-ASR1002X-8GB
Cisco ASR1002-X 8GB DRAM
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Cisco 3rd N01-M304GB1
4GB DDR3-1333MHz RDIMM/PC3-10600/dual rank 1Gb DRAMs, compatible
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HPE 604506-B21
HP 8GB (1x8GB) Dual Rank x4 PC3L-10600 (DDR3-1333) Registered CAS-9 Low Power Memory Kit
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Cisco 3rd MEM-SUP2T-2GB
Catalyst 6500 2GB memory for Sup2T and Sup2TXL S, compatible
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Micron 36ASF4G72PZ-3G2R1
Micron 32GB 2Rx4 PC4-3200AA-R DDR4 R-DIMM REG ECC - MTA36ASF4G72PZ-3G2R1
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Cisco MEM2851-512D
512MB DIMM DDR DRAM for the Cisco 2851
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IBM 44T1599
4GB (1X4GB, DUAL RANKX8) PC3-10600 CL9 ECC DDR3-1333MHZ LP RDIMM
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Aruba 708635-B21
HP 8GB 2Rx8 PC3-14900E-13 Kit
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Cisco 3rd MEM1600R-8U24D
8MB to 24MB DRAM Factory Upgrade for Cisco 1600 R, compatible
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Juniper 3rd MEM-FEB-256-S
Optional M10i,M7i Forwarding Engine Board (FEB) Memory Upgrade: 256 MB DRAM Module Juniper, compatible
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IBM 46W0787
IBM 8GB (1*8GB) 1RX4 PC4-2133P Memory Kit
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Cisco MEM2851-256U1024D
256 to 1024MB DDR DRAM factory upgrade for Cisco 2851
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Aruba 519201-001
HP 8GB (1x8GB) Dual Rank x4 PC3-8500 (DDR3-1066) Registered CAS-7 Memory Kit
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H3C 0620A001
256M SDRAM SODIMM
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Lenovo 00NV202
8GB TruDDR4 Memory (1Rx4, 1.2V) PC4-19200 CL17 2400MHz LP RDIMM
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Aruba 713977-B21
HP 4GB 2Rx8 PC3L-12800E-11 Kit
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Cisco MEM-PRP-1G
1GB Memory - (1x1GB DIMM) Configuration
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Dell 0SNPY8R2GC/4G
4GB 2133MB 1RX8 T630 R630 R730 (A7910486)
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What types of RAM are available and what are the differences between them?

The most common RAM standards are DDR3 RAM, DDR4 RAM, and DDR5 RAM. Each standard has specific advantages and disadvantages:

  • RAM DDR3: Solid basis for older systems. Cost-effective, but with lower clock speed and higher power consumption.
  • RAM DDR4: Currently widely used. Good balance of speed, energy efficiency, and price.
  • DDR5 RAM: Latest generation. Highest bandwidths and optimized energy management – ideal for high-end systems.

Tip: Before purchasing, check compatibility with your motherboard and processor. Not all RAM fits in every system.


How much RAM does a business PC need?

RAM requirements depend on the specific use. General recommendations:

  • 8 GB RAM: Sufficient for simple office applications.
  • 16 GB RAM: Ideal for multitasking, video conferencing, simple image editing.
  • 32 GB RAM: Perfect for developers, analysts, virtualization, or CAD.
  • 64 GB+ RAM: For servers, workstations, and memory-intensive processes.


DDR5 RAM 32GB vs. DDR4 RAM 32GB: What are the differences?

Both RAM modules offer high capacity and speed with 32 GB and 3,600 MHz but differ in technology. D

DR5 RAM 32GB enables higher bandwidth per module, better energy efficiency, and optimized memory management - ideal for modern high-performance systems. 

DDR4 RAM 32GB remains a stable, cost-effective solution for proven platforms and offers strong performance for most professional applications. The choice depends on the motherboard and intended use.


RAM for PCs or laptops – what to look out for?

PC RAM and laptop RAM differ in terms of form factor and compatibility:

  • PC RAM (DIMM): Longer modules with higher power consumption, usually easier to upgrade.
  • Laptop RAM (SO-DIMM): More compact, lower energy consumption, often limited upgradeability.

Important criteria for both variants:

  • Clock frequency (e.g., 3,600 MHz)
  • Latency times
  • Number of modules and dual/quad channel support


What is ECC RAM and when is it needed?

ECC RAM (Error Correction Code) automatically detects and corrects memory errors. This increases system stability – particularly important in:

  • Servers
  • Workstations
  • Corporate IT with critical applications

Note: ECC RAM requires a compatible motherboard with ECC support – usually only available for server components.


Buy RAM at it-market

At it-market, you will find a wide selection of RAM memory – used, refurbished, or new – for every scenario. 

We offer you:

  • 3-year warranty for companies
  • Up to 2.500€ buyer protection
  • Short delivery times

Do you have any questions, or would you like to buy RAM? Our sales team is happy to answer your questions about IT hardware and IT remarketing.