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Green 240-pin DDR3 server memory module with black Samsung chips

SAMSUNG

SAMSUNG M391B1G73QH0-CMA DDR3 8GB 1866MHz CL13 ECC server RAM

SKU CH-4XYN-Q78QP

8GB DDR3 ECC server module running at 1866 MHz with CL13 latency and 1.5 V operation

  • Capacity8GB
  • Type240-Pin DDR3 SDRAM
  • SpeedDDR3 1066 (PC3 8500)
  • CAS LatencyCL13
  • ECC protection guards data integrity in servers
  • 8 GB capacity supports demanding workloads
  • 1866 MHz speed enables fast data transfer
  • CL13 latency balances timing and stability
  • 240-pin DDR3 form factor fits standard server slots

8 GB DDR3 ECC memory for servers

This module provides 8 GB of DDR3 SDRAM with error-correcting code and a 240-pin interface. It operates at 1866 MHz with CL13 latency and runs on 1.5 V power. The stick uses Samsung chips in a dual-rank 512M x 8 configuration.

Suits servers needing unregistered ECC DDR3

It fits systems that accept unbuffered DDR3 ECC UDIMMs at the PC3-14900 speed grade. It is not for platforms that require registered or load-reduced modules, nor for boards that only support non-ECC memory.

Unbuffered ECC with dual-rank organisation

The single specification that decides compatibility is the unregistered ECC design combined with dual-rank 512M x 8 chips. Systems expecting registered DIMMs or a different rank structure will not work with this module.

Puntos fuertes

  • ECC protection guards data integrity in servers
  • 8 GB capacity supports demanding workloads
  • 1866 MHz speed enables fast data transfer
  • CL13 latency balances timing and stability
  • 240-pin DDR3 form factor fits standard server slots

Especificaciones

Capacity8GB
Type240-Pin DDR3 SDRAM
SpeedDDR3 1066 (PC3 8500)
CAS LatencyCL13

Preguntas sobre este artículo

Should I choose the DDR3-1866 CL13 module or the DDR3-1066 CL13 version?

The module is rated for DDR3-1866 PC3-14900 operation at CL13; the DDR3-1066 PC3-8500 label reflects a lower JEDEC fallback speed, not a separate version.

What does the 1866 MHz rating deliver in an actual server?

At 1866 MHz the module transfers data at the PC3-14900 rate with CL13 timing, provided the platform enables that speed; otherwise it will run at a supported lower DDR3 frequency.

How does the 240-pin DDR3 interface limit performance?

The 240-pin DDR3 bus caps bandwidth at the PC3-14900 level for this module, and the dual-rank 512M x 8 organisation operates at 1.5 V within that electrical interface.

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