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Four green DDR4 RDIMM sticks with gold contacts and black chips

OWC

OWC 64GB (4×16GB) DDR4 2666 ECC Registered RDIMM server RAM for Synology FS2017

SKU CH-02MG-F4H8Z

A 64 GB DDR4 2666 ECC registered RDIMM kit of four 16 GB modules for Synology FS2017 NAS systems

  • Capacity64GB (4 x 16GB)
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes

Capacity 64GB (4 x 16GB)

Rank 2Rx4

  • ECC Registered design protects data integrity in Synology FS2017
  • 64 GB total capacity across four 16 GB modules
  • DDR4 2666 MHz CL19 speed with 1.2 V operation
  • JEDEC and RoHS compliant for warranty-safe server upgrades
  • Backward compatible with 2133 MHz and 2400 MHz systems

OWC 64GB DDR4 2666 ECC RDIMM Kit

This OWC kit provides 64GB of DDR4 2666 server memory across four 16GB registered DIMMs. It is built for the Synology FlashStation FS2017 and compatible workstations or NAS systems needing ECC registered modules. The kit delivers a warranty-safe upgrade that meets JEDEC and RoHS standards. It is not for standard desktop computers or systems requiring unbuffered memory.

Registered ECC DDR4 2666 Specification

The decisive specification is the registered ECC DDR4 2666 design with CL19 latency at 1.2V. These 288-pin 2Rx4 modules will not work in motherboards that only accept unbuffered or load-reduced DIMMs. Backward compatibility covers 2133MHz and 2400MHz bus speeds. Buyers needing non-ECC or unbuffered memory cannot use this kit.

Four-Module Dual-Channel Kit

The package contains four matched 16GB modules configured as a dual-channel kit for the target platform. No heat spreaders are included on the modules. The bundle enables a full 64GB population in compatible four-slot servers or NAS units without mixing module types. Systems with fewer than four slots or different channel architectures cannot use the kit as intended.

Points forts

  • ECC Registered design protects data integrity in Synology FS2017
  • 64 GB total capacity across four 16 GB modules
  • DDR4 2666 MHz CL19 speed with 1.2 V operation
  • JEDEC and RoHS compliant for warranty-safe server upgrades
  • Backward compatible with 2133 MHz and 2400 MHz systems

Caractéristiques

BrandOWC
Part Number2R6D42R4064S
Capacity64GB (4 x 16GB)
Type288-Pin DDR4 SDRAM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Multi-channel KitDual Channel Kit
Heat SpreaderNo

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Questions sur cet article

What does the 2666 MHz rating mean once the 64 GB kit is installed in a Synology FS2017?

The modules run at 2666 MHz with CL19 timing; the system can also clock them down to 2400 MHz or 2133 MHz if the platform requires it.

What does the PC4-21300 designation tell me about the interface and its practical limit?

PC4-21300 is the JEDEC DDR4-2666 standard; it sets the maximum data rate at 2666 MT/s per module.

What physical slot and form factor does each 16 GB module need to fit the FS2017?

Each module is a 288-pin DDR4 RDIMM measuring to the standard registered DIMM height; no heat spreader is present.

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