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Green rectangular DDR4 memory module with black chips and gold edge connectors

SK hynix

SK hynix HMA82GR7JJR8N-WM 16GB DDR4-2933 ECC Reg Dual Rank server RAM

SKU CH-STFN-BQVH4

16 GB DDR4-2933 ECC registered dual-rank server memory module with CL21 latency

  • Capacity16GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • ECCYes
  • Buffered/RegisteredRegistered
  • ECC protection prevents data corruption with registered dual-rank design
  • 16 GB capacity handles large server workloads in a single module
  • DDR4-2933 speed delivers 23400 MB/s peak bandwidth for fast throughput
  • CL21 latency keeps response times tight under heavy load
  • 288-pin DDR4 form factor fits standard registered DIMM slots

16 GB DDR4-2933 ECC Registered DIMM

This 16 GB DDR4-2933 module is built for servers and workstations that require error-correcting registered memory. The dual-rank 2Rx8 organisation and CL21 latency suit multi-socket platforms where data integrity matters more than low latency. It plugs into standard 288-pin DDR4 slots and runs at the PC4-23400 data rate.

Sustained throughput with registered buffering

The on-DIMM register reduces electrical load on the memory controller, allowing larger populations of modules to run at the rated 2933 MT/s without signal degradation. ECC circuitry corrects single-bit errors on the fly, preventing silent data corruption during long compute jobs or virtualization workloads. Dual-rank density keeps the memory controller busy across both ranks for steady bandwidth.

Registered ECC requirement decides fit

This part only works in systems that explicitly support registered ECC DDR4; consumer desktop boards and most unbuffered workstation platforms will not post with it installed. Verify the motherboard or server manual lists registered ECC DDR4-2933 before purchase.

Highlights

  • ECC protection prevents data corruption with registered dual-rank design
  • 16 GB capacity handles large server workloads in a single module
  • DDR4-2933 speed delivers 23400 MB/s peak bandwidth for fast throughput
  • CL21 latency keeps response times tight under heavy load
  • 288-pin DDR4 form factor fits standard registered DIMM slots

Specifications

BrandHynix
Part NumberHMA82GR7JJR8N-WM
Capacity16GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8

Questions about this item

How much heat and power does this 16GB DDR4-2933 registered ECC module generate during continuous server operation?

The module uses standard DDR4 voltage and registered buffering to reduce electrical load on the memory controller. Dual-rank organisation and CL21 timing keep power draw consistent with other PC4-23400 parts. Adequate chassis airflow is recommended for sustained workloads.

What motherboard features are required to use this 288-pin registered ECC memory?

The board must provide 288-pin DDR4 DIMM slots, support registered (buffered) modules, and enable ECC in the BIOS. Consumer desktop chipsets typically lack these features, so a server or workstation platform is needed.

Can this PC4-23400 dual-rank stick be mixed with other DDR4 speeds in a multi-channel server?

The module runs at DDR4-2933 with CL21 latency. When mixed with slower DDR4, the system will downclock all channels to the lowest common speed and loosest timings. Population rules for registered dual-rank DIMMs still apply.

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