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Green rectangular DDR4 server memory module with gold contacts and black chips on both sides

SK hynix

SK hynix HMAA8GR7AJR4N-WM 64GB DDR4-2933 ECC Registered Dual Rank server RAM

SKU CH-SMQS-DP0C6

64GB DDR4-2933 ECC registered dual-rank server memory module with CL22 latency

  • Capacity64GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL22
  • ECCYes
  • Buffered/RegisteredRegistered
  • 64 GB capacity supports memory-intensive server workloads
  • DDR4-2933 speed delivers 23400 MT/s data transfer rate
  • ECC Registered design detects and corrects single-bit errors
  • Dual Rank architecture increases memory density per channel
  • 288-pin DDR4 form factor fits standard server DIMM slots

64GB DDR4-2933 ECC Registered module

This 64GB DDR4-2933 ECC Registered module is built for servers and workstations that require high-capacity, error-correcting memory. It operates at 2933MHz with a CAS latency of 22. The dual-rank design helps maximise density per slot. It is sold new as a single 288-pin DIMM.

Registered ECC with dual-rank organisation

The registered buffer and ECC functionality are the decisive specifications for compatibility. This module uses a registered signal to reduce electrical load on the memory controller, and ECC to detect and correct single-bit errors. Both features must be supported by the platform; consumer desktop boards typically cannot use this memory.

Fits 288-pin DDR4 slots on qualified platforms

Installation requires a 288-pin DDR4 slot on a motherboard and processor combination that explicitly supports registered ECC DIMMs and dual-rank modules at this capacity. The registered design frees the memory controller from driving heavy capacitive loads. Buyers needing unbuffered non-ECC memory or higher speeds must select a different module type.

Points forts

  • 64 GB capacity supports memory-intensive server workloads
  • DDR4-2933 speed delivers 23400 MT/s data transfer rate
  • ECC Registered design detects and corrects single-bit errors
  • Dual Rank architecture increases memory density per channel
  • 288-pin DDR4 form factor fits standard server DIMM slots

Caractéristiques

BrandHynix
Part NumberHMAA8GR7AJR4N-WM
Capacity64GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL22
ECCYes
Buffered/RegisteredRegistered

Questions sur cet article

What does the 2933 MHz speed mean for actual throughput in a server?

The module runs at 2933 MT/s, delivering up to 23400 MB/s theoretical bandwidth per stick; real-world throughput depends on the platform's memory controller and channel population.

How does the registered DDR4 interface affect usable speed?

The registered design adds a clock cycle of buffering for signal integrity, allowing the 2933 MT/s rate to scale across large memory arrays without exceeding the DDR4 electrical limits.

Will the 288-pin dual-rank module fit my server's DIMM slots?

It uses the standard 288-pin DDR4 RDIMM form factor with dual-rank organisation, so it fits any server board that accepts registered DDR4 DIMMs of this height.

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