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Green rectangular DDR4 DIMM with black chips and gold contacts

A-Tech

A-Tech 8GB DDR4 2133 ECC RDIMM 2Rx8 server RAM

SKU CH-K0NJ-BQ5VX

8 GB DDR4 2133 MHz ECC registered DIMM, 2Rx8, CL15, 1.2 V, compatible with Micron MTA18ASF1G72PDZ-2G1A1HK and MTA18ASF1G72PDZ-2G1A1JG

  • Total capacity8 GB
  • Rated speedDDR4 2133 (PC4 17000)
  • ChipsetMicron Chipset
  • CAS latencyCL15
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • ECC protection safeguards data integrity with built-in error correction
  • Registered buffering reduces electrical load for stable server operation
  • 2133 MHz DDR4 speed delivers responsive performance under heavy workloads
  • 2Rx8 dual-rank organisation increases memory density per slot
  • 20 V standard voltage ensures efficient power consumption

8GB DDR4 2133 ECC RDIMM

This 8GB DDR4 2133 ECC RDIMM module provides registered server memory with error correction for workstations and enterprise systems. It operates at PC4-17000 speed with CL15 latency and 1.20V voltage using Micron chipset. The 2Rx8 dual-rank organisation suits platforms that require registered DIMMs for stability under sustained workloads.

288-pin DIMM installation

Installation follows standard 288-pin DDR4 DIMM procedure: power down the server, open the chassis, align the module key with the slot, and press firmly until the retention clips engage. The registered buffer adds negligible physical height. The usual issue is mixing registered and unbuffered modules or populating slots in an order the motherboard firmware does not support, which prevents the system from posting.

Verify registered DIMM support

Before ordering, confirm that your motherboard and CPU memory controller explicitly support DDR4 registered ECC RDIMMs at 2133 MT/s and 1.20V. Check the qualified vendor list for 2Rx8 8GB modules and the maximum capacity per channel. Systems limited to unbuffered UDIMMs or non-ECC memory will not accept this module.

How it compares

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

Price $40.99
Cheaper than about 87% of the 6,523 comparable items (median $188.99).
Total capacity 8 GB
Lower than about 80% of the 6,064 comparable items (median 32 GB).
Price per GB $5.12 per GB
Cheaper than about 72% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineCompatible Replacement for Micron
Model nameMTA18ASF1G72PDZ-2G1A1HK, MTA18ASF1G72PDZ-2G1A1JG
Total capacity8 GB
Performance
Rated speedDDR4 2133 (PC4 17000)
Processor
ChipsetMicron Chipset
Memory
CAS latencyCL15
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Power
Rated voltage1.2 V

Questions about this item

How can I confirm the 8GB DDR4 2133 ECC RDIMM is working correctly after installation?

Boot the server, enter BIOS or UEFI, and verify the memory shows 8GB capacity, 2133MHz speed, CL15 latency, 1.20V voltage, and ECC registered status.

What comes in the box and what must be purchased separately?

The box contains one 8GB DDR4 2133MHz PC4-17000 ECC RDIMM 2Rx8 module (288-pin). No additional components are included.

Which version should I choose between the Micron MTA18ASF1G72PDZ-2G1A1HK and MTA18ASF1G72PDZ-2G1A1JG equivalents?

Both Micron part numbers share identical specs — 8GB, DDR4 2133, CL15, 1.20V, ECC RDIMM 2Rx8 — so either compatible replacement works.

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