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Green rectangular circuit board with gold edge connectors and black memory chips, no heat spreader

OWC

OWC 16GB DDR4 2133 PC4-17000 CL15 ECC Registered RDIMM 2Rx4 1.2V server RAM

SKU CH-KD7A-A5CFC

A 16 GB DDR4 2133 MHz ECC registered DIMM for servers, workstations and compatible NAS systems

  • Capacity16GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Voltage1.2V
  • ECCYes

Capacity 16GB

  • ECC registered design protects data integrity in servers
  • 16GB capacity expands memory for demanding workloads
  • DDR4 2133 speed matches system specifications
  • 2V operation reduces power consumption
  • 288-pin RDIMM form factor fits compatible NAS and workstations

Server ECC Registered RDIMM

This 16 GB DDR4 2133 MHz module is built for servers, workstations and compatible NAS systems. It uses a 288-pin registered DIMM form factor with ECC error correction and a 2Rx4 rank configuration. The module operates at 1.2 V and carries a CL15 latency rating. It is not compatible with standard desktop computers or unbuffered memory types.

Replacement for Synology RAMRG2133DDR4-16G

The module replaces the Synology RAMRG2133DDR4-16G in FS3017, FS2017 and RS18017xs+ NAS units. The upgrade is worth it when the system shows memory pressure during multi-user file serving, virtualization or database workloads. JEDEC-standard compliance ensures a warranty-safe installation. Mixing with load-reduced or unbuffered DIMMs is not supported.

16 GB capacity headroom

A single 16 GB registered DIMM adds substantial capacity for multi-tasking, larger file caches and concurrent virtual machines. The registered buffer helps signal integrity when populating multiple slots in a server chassis. Headroom runs out when the total installed memory hits the platform's maximum supported limit or when workloads demand faster than 2133 MHz throughput.

Points forts

  • ECC registered design protects data integrity in servers
  • 16GB capacity expands memory for demanding workloads
  • DDR4 2133 speed matches system specifications
  • 2V operation reduces power consumption
  • 288-pin RDIMM form factor fits compatible NAS and workstations

Caractéristiques

BrandOWC
Part Number2R1D42R416GB
Capacity16GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo

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Questions sur cet article

Will the 288-pin DDR4 RDIMM fit my Synology FS3017 or RS18017xs+ NAS?

Yes, the module is a direct replacement for Synology part RAMRG2133DDR4-16G and is validated for FS3017, FS2017 and RS18017xs+ systems.

Do I need to install the registered ECC DIMM in a specific slot order?

Populate slots in the sequence recommended by the NAS manual; mixing this registered ECC module with unbuffered or load-reduced memory will prevent boot.

Does the module require any firmware update or ongoing maintenance after installation?

No firmware update is needed; the JEDEC-standard 1.2 V DDR4 2133 CL15 2Rx4 module runs maintenance-free for the life of the server.

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