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Green 240-pin DDR3 memory module with black chips

SAMSUNG

SAMSUNG M391B1G73QH0-CMA 8GB DDR3-1866 ECC CL13 Server Memory

SKU CH-AWHM-E4E50

8GB DDR3-1866 ECC server memory module with CL13 latency and 1.5V operation

  • Capacity8GB
  • Type240-Pin DDR3 SDRAM
  • SpeedDDR3 1066 (PC3 8500)
  • CAS LatencyCL13
  • ECC protection safeguards data integrity with built-in error correction
  • 1866 MHz DDR3 speed delivers responsive server performance
  • 8 GB capacity supports demanding multi-tasking workloads
  • 240-pin DDR3 form factor fits standard server DIMM slots
  • Low 1.5 V operation reduces power draw and heat

8GB DDR3-1866 ECC server module

This 8 GB DDR3 module runs at 1866 MHz with a CAS latency of 13 and operates at 1.5 V. It uses a 240-pin form factor and includes error-correcting code for data integrity. The dual-rank design uses Samsung chips in a 512M x 8 configuration. It is built for servers and workstations that require registered ECC memory.

ECC and dual-rank layout

Error-correcting code detects and corrects single-bit errors to prevent data corruption in critical workloads. The dual-rank organisation allows the memory controller to interleave accesses across two 512M x 8 ranks on a single module. No additional software or accessories are included with the module.

240-pin DDR3 build

The module uses a standard 240-pin DDR3 PCB with Samsung ICs mounted on both sides. Gold edge contacts resist oxidation during repeated seating cycles. The low-profile height fits dense server chassis without blocking adjacent slots or airflow. Unbuffered signalling suits platforms that do not require registered modules.

Punti di forza

  • ECC protection safeguards data integrity with built-in error correction
  • 1866 MHz DDR3 speed delivers responsive server performance
  • 8 GB capacity supports demanding multi-tasking workloads
  • 240-pin DDR3 form factor fits standard server DIMM slots
  • Low 1.5 V operation reduces power draw and heat

Caratteristiche tecniche

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

Domande su questo articolo

Will the Samsung M391B1G73QH0-CMA modules need any maintenance or replacement parts over time?

No, DDR3 ECC server memory has no moving parts or serviceable components; once installed correctly it runs until a cell fails, at which point the entire 8 GB stick is replaced.

What limit appears first when the memory runs at 1866 MHz continuously in a server?

The CL13 latency at 1.5 V sets the timing ceiling; sustained throughput is bounded by the 1866 MT/s data rate and the dual-rank 512M x 8 organisation.

How much heat and power does an 8 GB DDR3-1866 ECC module produce under all-day load?

Each stick draws 1.5 V and is rated for standard DDR3 power envelopes; with no active cooling on the module itself, case airflow handles the resulting heat.

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