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Green rectangular 240-pin DDR3 DIMM with black chips and gold contacts

A-Tech

A-Tech 8GB DDR3 1866 ECC RDIMM 2Rx4 Server RAM

SKU CH-748K-2VZVJ

8GB DDR3 1866MHz ECC registered DIMM, 2Rx4, replaces Samsung M393B1K70DH0-CMA, M393B1K70EB0-CMA, M393B1K70QB0-CMA

  • Capacity8GB
  • SpeedDDR3 1866 (PC3 14900)
  • CAS LatencyCL13
  • Voltage1.50V
  • ECCYes
  • Buffered/RegisteredRegistered
  • 8GB capacity expands server memory for heavier workloads
  • DDR3 1866 MHz speed accelerates data throughput
  • ECC registered design detects and corrects memory errors
  • CL13 latency at 1.5V delivers efficient timing
  • 240-pin DIMM form factor fits standard DDR3 server slots

Product identity

This is an 8GB DDR3 1866 MHz registered ECC DIMM built for server and workstation platforms. The module runs at PC3-14900 speed with CL13 latency and standard 1.50 V operation. A 2Rx4 organisation and major-brand chips provide the density and signal integrity expected in multi-socket environments.

Fit and alternatives

It suits administrators upgrading or repairing systems that require registered DDR3 ECC memory in a 240-pin form factor. Buyers whose platforms need unbuffered UDIMMs, higher capacities per module, or a newer DDR generation should look elsewhere.

Deciding specification

The registered ECC design with 2Rx4 ranking is the single attribute that determines whether this module will be accepted by the target system; the memory controller must explicitly support registered operation and this rank configuration.

Points forts

  • 8GB capacity expands server memory for heavier workloads
  • DDR3 1866 MHz speed accelerates data throughput
  • ECC registered design detects and corrects memory errors
  • CL13 latency at 1.5V delivers efficient timing
  • 240-pin DIMM form factor fits standard DDR3 server slots

Caractéristiques

BrandA-Tech
Capacity8GB
SpeedDDR3 1866 (PC3 14900)
CAS LatencyCL13
Voltage1.50V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

Questions sur cet article

How much heat and power does this 1.50 V DDR3 1866 RDIMM generate under continuous load?

The module runs at standard 1.50 V DDR3 voltage, so power draw and heat stay within normal DDR3 limits for a registered DIMM; typical server airflow is sufficient for all-day operation.

What motherboard slot and chipset support are required to run this 240-pin ECC RDIMM?

You need a server or workstation board with DDR3 240-pin RDIMM slots, registered ECC support, and a memory controller qualified for 1866 MHz PC3-14900 modules.

Can this 2Rx4 CL13 module share channels with older 1Rx8 DDR3 DIMMs in the same server?

Mixing ranks and organisations is possible only if the platform’s memory controller explicitly supports mixed-rank populations; otherwise the system may down-clock or fail to post.

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