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128GB DDR5 Server Memory
Key takeaways
- 285 listings match this collection right now.
- 128GB DDR5 modules use 3D-stacked (3DS) die construction to reach that capacity within a standard dual-rank or quad-rank module footprint.
- Fourth-generation Xeon Scalable and EPYC 9004 platforms both qualify 128GB RDIMM, but the maximum number of these higher-rank modules per channel is set by the platform, not the module.
- A 128GB module's higher rank count means it has to match the rank of any other module sharing its channel, since mismatched ranks are not supported by the memory controller.
128GB DDR5 modules reach 1TB per socket on an eight-slot platform and 2TB per socket on sixteen. They cost more per gigabyte than two 64GB modules, so they earn their place where slots, not budget, are the constraint: in-memory databases, virtualisation hosts and analytics nodes.
285 listings in this collection, filtered from Server Memory. The part number and manufacturer are stated on every listing, and the condition wherever the catalogue records one. For quantity, request a volume quote.
How to choose server memory
DDR3, DDR4 and DDR5 modules are keyed differently and do not interchange, so the generation your platform accepts comes first. Registered (RDIMM), load-reduced (LRDIMM) and unbuffered (UDIMM) modules cannot be mixed in one system: add the type already installed, or replace the full bank. Match rank and speed to the existing modules, and read an installed part number from iDRAC or iLO when in doubt.
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- DDR3 Server Memory
- DDR3 LRDIMM Server Memory
- DDR3 UDIMM Unbuffered Memory
- VLP Very Low Profile Server Memory
- Memory for Dell PowerEdge 14G Servers
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- Memory for HPE ProLiant Gen10 Servers
- Memory for HPE ProLiant Gen11 Servers
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- 96GB DDR5 Server Memory
- 256GB DDR5 Server Memory
- DDR5-4800 Server Memory
- DDR5-5600 Server Memory
- 16GB DDR4-3200 Server Memory
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- 64GB DDR4 Server Memory
- 128GB DDR4 Server Memory
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Browse every collection by specification
More priced parts in Server Memory
- Hynix HMA84GR7AFR4N-VKTF-AD 32GB DDR4-2666MHz RDIMM 2Rx4 CL19 Memory
- Micron MT18JSF1G72PZ-1G9E1HI 8GB DDR3-1866MHz RDIMM 1Rx4 CL13 Memory
- Dell AC606050 16GB PC4-25600 DDR4-3200MHz CL22 Memory Module
- Samsung M393A2G40DB1-CRC0Q 16GB DDR4-2400MHz RDIMM 2Rx4 CL17 Memory
- Hynix HMA84GR7MFR4N-TFT1-AB 32GB DDR4-2133MHz RDIMM 2Rx4 CL15 Memory
- Hynix HMT351R7BFR8A-H9T2 4GB DDR3-1333MHz RDIMM 2Rx8 CL9 Memory
- Lenovo 46W0817 16GB DDR4-2133MHz UDIMM 2Rx8 CL15 Memory
- HP AD275A 4GB Kit (2x2GB) DDR2-533MHz RDIMM 2Rx4 CL4 Memory
- Kingston KTH-PL310Q/8G 8GB DDR3-1066MHz RDIMM 4Rx4 CL7 Memory
- Samsung M393B1K70DH0-YH9 8GB DDR3-1333MHz RDIMM 2Rx4 CL9 Memory
- Hynix HMA82GR7CJR4N-WM 16GB DDR4-2933MHz RDIMM 1Rx4 CL21 Memory
- Dell 917VK 128GB DDR4-2666MHz LRDIMM 8Rx4 CL19 Memory