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Two green DDR3 ECC RDIMM modules with gold contacts and black chips, 240-pin registered server memory

A-Tech

A-Tech 16GB (2x8GB) DDR3 1866 ECC RDIMM 2Rx4 1.5V server RAM

SKU CH-CF96-P4T5B

A 16 GB dual-channel kit of DDR3 1866 ECC registered DIMMs with CL13 latency and 1.5 V operation

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR3 1866 (PC3 14900)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL13
  • Rated voltage1.5 V
  • Buffer typeRegistered

Capacity 16GB (2 x 8GB)

  • 16 GB dual-channel kit doubles capacity for heavier server workloads
  • DDR3 1866 MHz speed with CL13 latency accelerates data throughput
  • ECC registered design detects and corrects memory errors automatically
  • 2Rx4 dual-rank organisation maximises density per DIMM slot
  • 5 V standard voltage ensures broad DDR3 platform compatibility

Server ECC RDIMM kit

This A-Tech 16 GB kit contains two 8 GB DDR3 1866 MHz registered DIMMs with ECC and a dual-rank x4 organisation. It is built for servers and workstations that require registered memory and error correction for data integrity. The modules operate at the standard 1.5 V DDR3 voltage with CL13 latency. Buyers needing desktop or laptop SODIMMs cannot use this product.

Compatibility check before ordering

Verify that your system manual lists support for DDR3 240-pin registered ECC RDIMMs at 1866 MHz and that the motherboard accepts dual-rank x4 modules. Confirm the maximum capacity per slot and the supported channel population rules for your specific platform. This kit is not compatible with standard desktop or laptop computers that use unbuffered non-ECC memory.

Thermals noise and power draw

The modules run at the standard 1.5 V DDR3 voltage without additional cooling requirements beyond normal server airflow. Registered DIMMs place less electrical load on the memory controller than unbuffered equivalents at the same capacity. No moving parts are present so the kit adds no audible noise. Power draw scales with the number of populated slots and the workload intensity.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $35.99
Cheaper than about 88% of the 6,523 comparable items (median $188.99).
Total capacity 16 GB (2 × 8 GB)
Lower than about 60% of the 6,064 comparable items (median 32 GB).
Price per GB $2.25 per GB
Cheaper than about 92% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineA-Tech DDR3 Server Memory RAM
Model nameA-Tech 8 GB 2Rx4 PC3-14900R
Total capacity16 GB (2 × 8 GB)
Performance
Rated speedDDR3 1866 (PC3 14900)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL13
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Kit configurationDual Channel Kit
Power
Rated voltage1.5 V

Other versions of this model

5 more in the same range

Questions about this item

Does the kit include two 8 GB modules or do I need to buy a second stick?

The package contains two 8 GB modules for a total of 16 GB, so no additional sticks are required.

Why is the kit labelled 2Rx4 instead of a single-rank option?

2Rx4 means each module is dual-rank with x4 chip organisation, which suits servers that need higher density per DIMM slot.

Will the CL13 latency at 1866 MHz actually improve my server throughput?

CL13 at 1866 MHz reduces cycle time compared with slower DDR3 modules, helping the server handle larger workloads more responsively.

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