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Green 240-pin DDR3 DIMM module with black memory chips and a silver label

A-Tech

A-Tech 4GB DDR3 1866 ECC UDIMM 2Rx8 1.5V 240-Pin Server RAM

SKU CH-8CS9-J2E4Y

4GB DDR3 1866 ECC unbuffered DIMM with CL13 latency and 1.5V operation for servers and workstations

  • Capacity4GB
  • SpeedDDR3 1866 (PC3 14900)
  • CAS LatencyCL13
  • Voltage1.50V
  • ECCYes
  • Buffered/RegisteredUnbuffered

Capacity 4GB

  • 4GB capacity adds memory headroom for heavier server workloads
  • DDR3 1866 MHz speed accelerates data throughput for responsive operation
  • ECC unbuffered design detects and corrects single-bit errors automatically
  • Dual-rank 2Rx8 organisation increases memory density per DIMM slot
  • Standard 1.5V voltage ensures broad DDR3 platform compatibility

Server DDR3 ECC module

This 4 GB DDR3 1866 ECC UDIMM adds error-correcting memory to compatible servers and workstations. The unbuffered 240-pin DIMM runs at 1.5 V with CL13 latency. It is built for systems that require ECC unbuffered DDR3 modules only and will not fit desktop or laptop platforms.

Sustained workload behaviour

Dual-rank 2Rx8 organisation lets the module handle steady multi-threaded loads such as virtualisation or database tasks without the throughput dips seen in single-rank sticks. ECC circuitry corrects single-bit errors on the fly, keeping data integrity intact during long compute sessions. Major-brand chips are tested for stable operation at the rated 1866 MHz speed.

Thermals and power draw

Standard 1.5 V DDR3 voltage keeps power consumption within normal limits for DDR3 server DIMMs. The unbuffered design avoids the extra register heat found in registered modules, so airflow requirements stay modest. No additional cooling beyond typical server chassis airflow is needed for reliable operation.

Helstu kostir

  • 4GB capacity adds memory headroom for heavier server workloads
  • DDR3 1866 MHz speed accelerates data throughput for responsive operation
  • ECC unbuffered design detects and corrects single-bit errors automatically
  • Dual-rank 2Rx8 organisation increases memory density per DIMM slot
  • Standard 1.5V voltage ensures broad DDR3 platform compatibility

Tæknilýsing

BrandA-Tech
SeriesA-Tech DDR3 Server Memory RAM
ModelA-Tech 4GB 2Rx8 PC3-14900E
Capacity4GB
SpeedDDR3 1866 (PC3 14900)
CAS LatencyCL13
Voltage1.50V
ECCYes
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

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Will the 1.5 V DDR3 1866 ECC module run cool and quiet during continuous server workloads?

The module operates at standard 1.50 V DDR3 voltage and has no moving parts, so it adds minimal heat and produces no audible noise under sustained use.

What motherboard slot and memory controller features are required for this stick to function?

You need a server or workstation board with a 240-pin DDR3 DIMM slot that supports ECC unbuffered memory at 1866 MHz (PC3-14900).

How does this dual-rank 2Rx8 DDR3 1866 module behave when installed with other DDR3 ECC UDIMMs of different speeds or ranks?

The system will typically clock all modules to the lowest common speed and adjust timing; mixing ranks is supported but population rules depend on the platform's memory controller.

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