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Green 288-pin DDR4 LRDIMM module with black chips

SK hynix

SK hynix 64GB DDR4-2933 ECC LRDIMM 4Rx4 CL21 1.2V

SKU CH-6WCP-9NWTG

64 GB DDR4-2933 ECC load-reduced DIMM with 4Rx4 organisation, CL21 latency and 1.2 V operation

  • Capacity64GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2933 (PC4 23400)
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredLoad Reduced
  • 64GB capacity for high-density server workloads
  • Load-reduced DIMM design lowers electrical load on the memory bus
  • ECC support detects and corrects single-bit data errors
  • 2V operation reduces power draw per module
  • DDR4-2933 speed with CL21 latency for responsive throughput

What this module is and who needs it

This SK hynix 64GB DDR4-2933 ECC LRDIMM is built for servers that require high-density registered memory with error correction. The load-reduced design allows larger capacities per channel without overloading the memory bus. It suits administrators expanding memory in compatible DDR4 platforms that accept 4Rx4 modules.

The specification that decides fit

The module uses a 288-pin DDR4 interface running at 2933 MT/s with a CL21 latency and operates at 1.2V. It is a single 64GB stick organised as 4Rx4 with load-reduced buffering and ECC. Only systems qualified for DDR4-2933 LRDIMM 4Rx4 at this voltage and rank configuration will support it.

Thermals, noise and power in normal use

Standard-height construction fits typical server DIMM slots and lets chassis airflow cool the modules without extra clearance. Power draw scales with the 1.2V operating voltage and the 64GB density under load. No moving parts are present, so the module adds no acoustic noise to the system.

Highlights

  • 64GB capacity for high-density server workloads
  • Load-reduced DIMM design lowers electrical load on the memory bus
  • ECC support detects and corrects single-bit data errors
  • 2V operation reduces power draw per module
  • DDR4-2933 speed with CL21 latency for responsive throughput

Specifications

BrandSK hynix
Capacity64GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 2933 (PC4 23400)
Voltage1.20V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4

Questions about this item

Will the 2933 MT/s rating actually run at that speed in my server?

The module is rated for DDR4-2933 (PC4-23400). Actual speed depends on the processor and motherboard memory controller; many platforms will run it at 2933 MT/s, while others may downclock to a supported JEDEC speed.

What does the PC4-23466L label mean for bandwidth?

PC4-23466L denotes a peak transfer rate of 23 466 MB/s per module at the rated 2933 MT/s with Load-Reduced buffering. The L suffix confirms the LRDIMM register that reduces electrical load on the memory bus.

Does the 288-pin LRDIMM fit a standard DDR4 server slot?

Yes. It uses the standard 288-pin DDR4 LRDIMM form factor with STD height, so it installs in any server DIMM slot keyed for DDR4 Load-Reduced modules.

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