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Green 288-pin DDR4 RDIMM module with black chips, no heat spreader

OWC

OWC 32GB DDR4 2666 ECC Registered RDIMM CL19 1.2V 2Rx4 Synology FS6400 HD6500

SKU CH-MC2X-NN14J

32GB DDR4 2666MHz ECC Registered RDIMM module for Synology FS6400 and HD6500 servers

  • Capacity32GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes

Capacity 32GB

Rank 2Rx4

  • ECC protection prevents data corruption in servers
  • Registered design supports stable multi-module operation
  • 32 GB capacity expands NAS memory headroom
  • DDR4 2666 CL19 matches FS6400 and HD6500 specs
  • 2 V low voltage reduces power draw

Server ECC Registered RDIMM

This OWC module provides 32GB of DDR4 2666 memory with ECC Registered operation at CL19 latency and 1.2V. The 288-pin 2Rx4 design targets workstation and NAS platforms that require registered error-correcting memory.

Synology FS6400 and HD6500 upgrades

It fits the FlashStation FS6400 and HIGH Density HD6500 systems that accept D4RD-2666-32G or D4ER01-32G parts. Builders of standard desktop PCs or anyone needing unbuffered or load-reduced DIMMs should look elsewhere because this registered module will not work in those configurations.

Sustained multi-tasking workloads

JEDEC-standard DDR4 2666 with CL19 timing delivers stable throughput during extended file serving, virtualization or backup jobs. Backward compatibility with 2133MHz and 2400MHz buses lets the module clock down without errors when installed alongside slower memory in the same chassis.

Points forts

  • ECC protection prevents data corruption in servers
  • Registered design supports stable multi-module operation
  • 32 GB capacity expands NAS memory headroom
  • DDR4 2666 CL19 matches FS6400 and HD6500 specs
  • 2 V low voltage reduces power draw

Caractéristiques

BrandOWC
Part Number2R6D42R432GB
Capacity32GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo

Autres versions de ce modèle

5 de plus dans cette gamme

Même famille, mémoire, ventirad ou fréquence différents — comparez avant de vous décider.

Questions sur cet article

Does this 288-pin DDR4 module require a motherboard that supports ECC Registered memory?

Yes, it is an ECC Registered RDIMM and will only work in platforms that support registered ECC DDR4; it cannot be used in standard desktop boards or mixed with unbuffered or load-reduced modules.

Can I add this 32 GB 2666 MHz stick alongside existing 2133 MHz or 2400 MHz DDR4 in my Synology FS6400 or HD6500?

The module is backward compatible with 2133 MHz and 2400 MHz DDR4, so it will run at the speed of the slowest installed DIMM in those NAS systems.

How can I confirm the module is running at CL19 2666 MHz after installation?

Check the system BIOS or Synology DSM memory information page; it should report 32 GB, DDR4-2666, CL19, 1.2 V, ECC Registered, 2Rx4 configuration.

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