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Green 288-pin DDR4 UDIMM with black Samsung chips, 4 GB ECC unbuffered module

A-Tech

A-Tech 4GB DDR4 2133MHz ECC UDIMM 1Rx8 Samsung M391A5143BB0-CQB Server Memory

SKU CH-6FG4-GRZ8Z

4GB DDR4 2133MHz ECC UDIMM with Samsung chipset for server and workstation upgrades

  • Capacity4GB
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ECC protection guards data integrity with built-in error correction
  • DDR4 2133 MHz speed delivers responsive server performance
  • 2 V operation reduces power draw and heat output
  • 1Rx8 single-rank layout simplifies memory controller load
  • 288-pin UDIMM form factor fits standard server DIMM slots

4GB DDR4 2133MHz ECC UDIMM for Servers

This 4GB DDR4 module runs at 2133MHz with CL15 latency and 1.20V operation. It uses unbuffered ECC technology on a 1Rx8 Samsung chipset. The 288-pin DIMM targets server and workstation systems needing error-correcting memory.

DDR4 2133 speed and platform limits

DDR4 2133 (PC4-17000) sets the maximum data rate this module can deliver. Systems that only support lower DDR4 speeds will downclock the memory automatically. Unbuffered ECC requires a motherboard and CPU that explicitly support ECC on unbuffered DIMMs; consumer platforms often disable the feature.

Replaces Samsung M391A5143BB0-CQB

This module is a compatible replacement for the Samsung M391A5143BB0-CQB part number. It upgrades non-ECC configurations to error-correcting memory or expands existing ECC capacity. The jump is worth it when data integrity matters more than raw bandwidth and the platform supports unbuffered ECC DDR4.

Pontos fortes

  • ECC protection guards data integrity with built-in error correction
  • DDR4 2133 MHz speed delivers responsive server performance
  • 2 V operation reduces power draw and heat output
  • 1Rx8 single-rank layout simplifies memory controller load
  • 288-pin UDIMM form factor fits standard server DIMM slots

Especificações

BrandA-Tech
SeriesCompatible Replacement for Samsung
ModelM391A5143BB0-CQB
Capacity4GB
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Voltage1.20V
ECCYes
Buffered/RegisteredUnbuffered
Rank1Rx8
ChipsetSamsung Chipset
FeaturesM391A5143BB0-CQB

Perguntas sobre este artigo

Should I pick the 4GB DDR4 2133MHz ECC UDIMM or a different capacity for my server?

This module is a single 4GB stick; add more identical sticks to reach the total capacity your motherboard supports.

What does the 2133MHz rating mean once the module is installed in a real machine?

It sets the maximum data rate at 2133 MT/s; the system will run at this speed or lower depending on the CPU and motherboard capabilities.

Is the 288-pin DDR4 interface the limiting factor for bandwidth on this ECC UDIMM?

The 288-pin DDR4 interface supports the 2133MHz PC4-17000 rating; actual throughput is capped by that rated speed.

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