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Four green DDR4 registered DIMMs in a row

OWC

OWC 64GB (4x16GB) DDR4 2133 ECC Registered RDIMM CL15 1.2V Server RAM

SKU CH-A4X7-TAK7G

64GB kit of four 16GB DDR4 2133 ECC registered RDIMMs for compatible Synology NAS and servers

  • Capacity64GB (4 x 16GB)
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Voltage1.2V
  • ECCYes

Capacity 64GB (4 x 16GB)

  • ECC registered design protects data integrity in servers
  • 64 GB total capacity across four 16 GB modules
  • DDR4 2133 MHz speed matches PC4-17000 standard
  • Low 1.2 V voltage reduces power draw
  • JEDEC and RoHS compliant for warranty-safe upgrades

Server-ready DDR4 ECC RDIMM kit

This 64GB kit contains four 16GB DDR4 2133 registered DIMMs built for servers, workstations and compatible NAS units. Each module runs at 1.2V with a CL15 latency and 2Rx4 organisation. The registered buffer and ECC circuitry protect data integrity in multi-socket or always-on environments.

Steady throughput under constant load

Registered buffering reduces electrical loading on the memory controller, letting all four channels sustain the rated 2133 MT/s transfer rate during extended workloads. ECC corrects single-bit errors on the fly, preventing silent corruption during long render, virtualization or database jobs. The JEDEC-standard 1.2V operation keeps power draw predictable across the full population.

Bare green PCB fits dense slots

Modules use a plain 288-pin PCB without heat spreaders, so they sit flush in tightly spaced server DIMM sockets and 1U chassis. The lack of tall heatsinks avoids interference with CPU coolers or airflow baffles in rackmount NAS models such as the FS3017, FS2017 and RS18017xs+. Buyers needing unbuffered desktop DIMMs or load-reduced ECC cannot use this kit.

Pontos fortes

  • ECC registered design protects data integrity in servers
  • 64 GB total capacity across four 16 GB modules
  • DDR4 2133 MHz speed matches PC4-17000 standard
  • Low 1.2 V voltage reduces power draw
  • JEDEC and RoHS compliant for warranty-safe upgrades

Especificações

BrandOWC
Part Number2R1D42R4064S
Capacity64GB (4 x 16GB)
Type288-Pin DDR4 SDRAM
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Multi-channel KitDual Channel Kit
Heat SpreaderNo

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Perguntas sobre este artigo

How much power does each 16 GB module draw at 1.2 V?

Each module runs at 1.2 V, the standard DDR4 voltage, keeping power draw low during continuous operation.

What motherboard slots are required for these 288-pin RDIMMs?

A server or workstation board with DDR4 RDIMM slots that support ECC registered memory; standard desktop boards will not accept them.

Can I add this kit to a Synology FS3017 that already has factory memory installed?

Yes, the kit is a direct replacement for the Synology RAMRG2133DDR4-16G modules used in the FS3017 and RS18017xs+.

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