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Green rectangular DDR4 DIMM with black chips and gold contacts

A-Tech

A-Tech 16GB DDR4 2400 ECC RDIMM 2Rx4 for Dell 370-ACMY A9365698 HNDJ7 SNPHNDJ7DG/16G Server Memory

SKU CH-YZBH-WZM03

16 GB DDR4 2400 ECC registered DIMM with 2Rx4 organisation for Dell 370-ACMY compatible servers

  • Capacity16GB
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredRegistered
  • 16GB DDR4 2400 ECC RDIMM boosts server throughput
  • CL17 latency at 1.20V keeps workloads responsive
  • Registered 2Rx4 design scales multi-socket capacity
  • Major-brand chips tested for data-centre reliability
  • Matches Dell 370-ACMY A9365698 HNDJ7 SNPHNDJ7DG/16G pin-for-pin

Server memory upgrade for Dell systems

This 16 GB DDR4 2400 MHz ECC registered DIMM replaces Dell part numbers 370-ACMY, A9365698, HNDJ7 and SNPHNDJ7DG/16G. It targets administrators expanding capacity in compatible Dell PowerEdge servers and Precision workstations that require registered error-correcting modules. Buyers needing unbuffered UDIMMs or higher-frequency kits cannot use this module.

Sustained workload behaviour

The module operates at 1.20 V with CL17 latency and a 2Rx4 organisation built on major-brand chips. Registered buffering reduces electrical load on the memory controller during continuous multi-threaded tasks such as virtualisation, database indexing or render farming. Systems not qualified for DDR4 2400 registered ECC will not recognise the module.

Installation and common issues

The 288-pin DIMM installs in standard DDR4 server slots; alignment keys prevent incorrect insertion. The most frequent problem is mixing registered and unbuffered DIMMs in the same channel, which prevents boot. Always confirm the exact Dell part number and maximum supported capacity per slot before ordering.

Highlights

  • 16GB DDR4 2400 ECC RDIMM boosts server throughput
  • CL17 latency at 1.20V keeps workloads responsive
  • Registered 2Rx4 design scales multi-socket capacity
  • Major-brand chips tested for data-centre reliability
  • Matches Dell 370-ACMY A9365698 HNDJ7 SNPHNDJ7DG/16G pin-for-pin

Specifications

BrandA-Tech
Capacity16GB
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

Questions about this item

Will the 1.20V DDR4 2400 registered DIMM run quietly and stay cool in a Dell server that operates 24/7?

It uses standard 1.20V DDR4 voltage and registered buffering to reduce electrical load per pin, helping the module run cooler and quieter under continuous server workloads.

My Dell motherboard has 288-pin DDR4 slots — is that the only requirement to install this 2Rx4 ECC RDIMM?

Yes, the module fits a standard 288-pin DDR4 DIMM slot, but the system must support ECC registered memory and 2Rx4 organisation for it to function.

Can I mix this 2400MHz CL17 ECC RDIMM with slower DDR4 modules already installed in my Dell server?

Mixing speeds forces all modules to run at the slowest installed speed and loosest timings; for best stability, populate all channels with identical 2400MHz CL17 registered ECC DIMMs.

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