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Green DDR5 server RDIMM with black heatspreader and gold contacts

A-Tech

A-Tech 256GB DDR5 4800 ECC RDIMM Server Memory

SKU CH-QNS0-JBPC8

256GB DDR5 4800 ECC registered DIMM for servers, 1.1V CL40, 288-pin, 8-rank 3DS

  • Capacity256GB
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes
  • Buffered/RegisteredRegistered
  • 256GB capacity expands server memory for heavy workloads
  • DDR5 4800 speed delivers high bandwidth for data-intensive tasks
  • ECC RDIMM design detects and corrects errors for reliability
  • 10V operation matches DDR5 standard voltage for efficiency
  • 288-pin registered DIMM fits compatible server motherboards

256GB DDR5 4800 ECC RDIMM Server Module

This A-Tech module delivers 256GB of DDR5 4800 registered ECC memory in a single 288-pin DIMM. It runs at 1.10V with CL40 latency and uses an 8Rx4 3DS TSV rank configuration. The part is built as a compatible replacement for Hynix HMCT14MEERA, HMCT14MEERA155N and HMCT14MEERA157N server DIMMs.

Who This Suits And Who Should Look Elsewhere

Server and workstation integrators who need a single high-capacity registered ECC module to match the listed Hynix part numbers will find this drop-in replacement validated for those systems. Buyers who require non-ECC memory, unbuffered DIMMs, consumer desktop compatibility or lower-capacity modules should select a different product.

PC5-38400 Speed Rating Confirms Platform Fit

The DDR5 4800 PC5-38400 designation is the decisive specification; the module must be installed in a platform that supports this exact data rate and registered ECC signalling. Verify your system documentation for PC5-38400 RDIMM support before ordering.

Points forts

  • 256GB capacity expands server memory for heavy workloads
  • DDR5 4800 speed delivers high bandwidth for data-intensive tasks
  • ECC RDIMM design detects and corrects errors for reliability
  • 10V operation matches DDR5 standard voltage for efficiency
  • 288-pin registered DIMM fits compatible server motherboards

Caractéristiques

BrandA-Tech
SeriesCompatible Replacement for Hynix
ModelHMCT14MEERA, HMCT14MEERA155N, HMCT14MEERA157N
Capacity256GB
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2S4Rx4 (8Rx4 EC8)
ChipsetMajor Brand Chipset
FeaturesHMCT14MEERA, HMCT14MEERA155N, HMCT14MEERA157N

Questions sur cet article

How do I install this 288-pin DDR5 RDIMM and which step is commonly missed?

Align the key notch with the motherboard slot, press firmly until both retention clips click, then verify the system registers the full 256 GB at 4800 MT/s in BIOS; the step often missed is enabling the correct memory profile so the module runs at its rated 1.1 V and CL40 timing.

What maintenance or replacement will this 256 GB ECC RDIMM need over its service life?

No scheduled maintenance is required; the module uses major-brand DRAM chips and on-die ECC to correct single-bit errors, so replacement is only needed if the system logs uncorrectable multi-bit failures or if a capacity upgrade is desired later.

What limit appears first when this DDR5-4800 RDIMM runs sustained workloads?

The thermal envelope of the 8-rank 3DS/TSV stack is the first constraint; prolonged heavy traffic can raise chip temperatures enough to trigger throttling unless the server chassis provides adequate airflow across the 1.1 V modules.

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