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Green rectangular DDR4 DIMM with black chips and gold contacts

A-Tech

A-Tech 16GB DDR4 2933 ECC RDIMM 2Rx8 CL21 server RAM

SKU CH-2PMY-BR0JG

16 GB DDR4 2933 ECC registered server memory with CL21 latency and 2Rx8 organisation

  • Total capacity16 GB
  • Rated speedDDR4 2933 (PC4 23400)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL21
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • 16GB ECC RDIMM protects server data integrity with error correction
  • 2933MHz DDR4 speed handles heavy workloads through high bandwidth
  • CL21 latency keeps response times tight for multi-thread tasks
  • 20V operation reduces power draw and heat in dense racks
  • 2Rx8 dual-rank layout increases memory density per 288-pin slot

16GB DDR4 2933 ECC RDIMM for servers

This 16GB DDR4 2933 ECC RDIMM uses a 2Rx8 registered design and runs at 1.20V with CL21 latency. It is built for server and workstation platforms that require registered DIMMs with error-correcting code. The module is a direct replacement for several Kingston part numbers including KTD-PE429D8/16G and KSM29RD8/16HDR.

Sustained workload behaviour

Registered buffering and ECC circuitry keep data integrity intact during continuous multi-threaded workloads. The 2Rx8 organisation allows the memory controller to interleave accesses across two ranks, helping maintain throughput when all slots are populated. CL21 timing at 2933 MT/s delivers consistent latency without the variability seen in unbuffered consumer modules.

Installation notes and common issues

The 288-pin DIMM fits standard DDR4 RDIMM slots; alignment is keyed so it cannot be inserted backwards. Systems that only accept unbuffered UDIMMs or that limit rank count per channel will not recognise this module. Always confirm the platform supports registered ECC memory and the maximum rank population per channel before ordering. Buyers needing unbuffered memory or higher speeds than 2933 MT/s should look elsewhere.

How it compares

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

Price $115.99
Cheaper than about 63% of the 6,523 comparable items (median $188.99).
Total capacity 16 GB
Lower than about 60% of the 6,064 comparable items (median 32 GB).
Price per GB $7.25 per GB
Typical for this category: the median of 6,064 items is $7.25 per GB.

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameA-Tech
Total capacity16 GB
Performance
Rated speedDDR4 2933 (PC4 23400)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL21
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Power
Rated voltage1.2 V

Questions about this item

How much power does this 16 GB DDR4 2933 ECC RDIMM draw at its rated 1.20 V?

The module operates at the standard DDR4 voltage of 1.20 V, so typical power draw stays within the JEDEC limit for a 16 GB registered DIMM at 2933 MT/s.

Does my motherboard need to support registered ECC DDR4 and 288-pin DIMM slots for this stick to work?

Yes — the module is a 288-pin DDR4 RDIMM with ECC and registered buffering, so the platform must accept registered ECC memory in a standard DDR4 DIMM slot.

Can I mix this 2Rx8 CL21 module with older single-rank DDR4 RDIMMs in the same server?

Mixing ranks is often supported, but the system will run all modules at the speed and timings of the slowest stick; check your server's memory population rules before combining.

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