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Green rectangular circuit board with black memory chips on both sides, gold edge connector, no heat spreader

OWC

OWC 2R1D42R416GB 16GB DDR4 2133MHz ECC Registered RDIMM 2Rx4 1.2V server RAM

SKU CH-14DY-T0WP8

16 GB DDR4 ECC registered RDIMM running at 2133 MHz CL15 for servers and workstations

  • Capacity16GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Voltage1.2V
  • ECCYes
  • ECC protection guards data integrity in servers
  • Registered design stabilises heavy multi-module loads
  • 16 GB capacity expands memory for virtualisation
  • DDR4 2133 MHz speed matches PC4-17000 standard
  • 2 V operation reduces power draw and heat

Server-grade DDR4 ECC RDIMM

This OWC module delivers 16 GB of DDR4-2133 registered ECC memory on a 288-pin RDIMM. It is built for servers, workstations and NAS systems that require error-correcting registered DIMMs. The part matches Samsung M393A2G40DB0-CPB and M393A2G40EB1-CPB specifications. It will not work in standard desktop computers or alongside unbuffered memory.

Sustained-load behaviour

Registered buffering and ECC correction maintain data integrity during continuous multi-threaded workloads typical of virtualisation, database and file-server tasks. The 1.2 V operating voltage keeps power draw predictable across fully populated channels. CL15 latency and PC4-17000 bandwidth provide steady throughput without the variability seen in consumer modules under prolonged stress.

Deciding specification

The module is a 2Rx4 registered ECC RDIMM, so the platform must explicitly support registered DIMMs and the 2Rx4 rank organisation. Desktop motherboards and consumer laptops cannot use this memory. Verify the system manual or vendor qualified-vendor list for registered ECC compatibility before purchase.

Points forts

  • ECC protection guards data integrity in servers
  • Registered design stabilises heavy multi-module loads
  • 16 GB capacity expands memory for virtualisation
  • DDR4 2133 MHz speed matches PC4-17000 standard
  • 2 V operation reduces power draw and heat

Caractéristiques

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

Questions sur cet article

How much power does the 1.2V DDR4 2133MHz module draw when the server runs continuously?

At 1.2V the 16GB RDIMM operates at standard DDR4 voltage, keeping heat output low during all-day workloads.

What must the system already provide for this 288-pin ECC registered RDIMM to function?

A server or workstation motherboard with DDR4 RDIMM slots that support ECC registered memory; it will not work in desktop boards or alongside unbuffered DIMMs.

Can this CL15 2Rx4 stick sit next to older DDR4 ECC RDIMMs in the same chassis?

Yes, provided the other modules are also DDR4 ECC registered RDIMMs; mixing ranks or speeds is handled by the memory controller, but unbuffered DIMMs must not be present.

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