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Green rectangular circuit board with gold edge connectors and black memory chips

OWC

OWC 16GB DDR4 2666 PC4-21300 CL19 2Rx4 288-pin ECC Registered Server RAM

SKU CH-NNNY-9A1T1

16 GB DDR4 2666 ECC registered DIMM for Synology FlashStation FS3400, FS3410 and FS3600 servers

  • Capacity16GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes

Capacity 16GB

Rank 2Rx4

  • ECC registered design prevents data corruption in critical workloads
  • 16GB capacity at 2666MHz CL19 boosts server multitasking throughput
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • Backward compatible with 2133MHz and 2400MHz systems
  • Single 2Rx4 288-pin module simplifies installation in Synology NAS

OWC 16GB DDR4 2666 ECC Registered Server RAM

This 16GB DDR4 2666 MHz module uses a 288-pin ECC registered DIMM form factor. It is built for servers, workstations and compatible NAS systems such as the Synology FlashStation FS3400, FS3410 and FS3600. The module operates at 1.2V with CL19 latency and a 2Rx4 rank configuration.

Registered ECC DDR4 cannot be used in standard

Registered memory requires a platform that supports buffered ECC DIMMs and will not function in consumer motherboards. It also cannot be mixed with unbuffered or load-reduced ECC modules. Backward compatibility allows operation at 2133 MHz and 2400 MHz when the system bus requires a lower speed.

Single 16GB 2Rx4 module determines upgrade density

The 2Rx4 organisation and registered buffer define how this DIMM populates memory channels in supported Synology FlashStation units. Verify the maximum module count and total capacity your specific model accepts before purchasing.

Ciri-ciri utama

  • ECC registered design prevents data corruption in critical workloads
  • 16GB capacity at 2666MHz CL19 boosts server multitasking throughput
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • Backward compatible with 2133MHz and 2400MHz systems
  • Single 2Rx4 288-pin module simplifies installation in Synology NAS

Spesifikasi

BrandOWC
Part Number2R6D42R416GB
Capacity16GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo

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Which capacity and rank should I pick for my Synology FS3400?

This module provides a single 16GB stick in a 2Rx4 configuration, matching the D4RD-2666-16G and D4ER01-16G part numbers listed for the FS3400, FS3410 and FS3600.

What does the 2666 MHz rating deliver once installed in a server?

It runs at DDR4 2666 with CL19 timing at 1.2V, and will also operate at 2133 MHz or 2400 MHz if the system requires a lower speed.

What does the ECC Registered 288-pin interface mean for compatibility?

The 288-pin DDR4 RDIMM is designed for servers, workstations and NAS systems only; it will not fit or work in standard desktop PCs and cannot be mixed with unbuffered or load-reduced memory.

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