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Green 288-pin DDR4 ECC RDIMM module with black chips, no heat spreader

OWC

OWC 2R9D42R816GB 16GB DDR4 2933 ECC RDIMM memory upgrade

SKU CH-FA39-KENRX

16 GB DDR4 ECC registered DIMM running at 2933 MHz CL21 for Supermicro X11 server boards

  • Capacity16GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 16GB

  • ECC protection for data integrity in servers
  • 2933 MHz DDR4 speed for responsive workloads
  • 16 GB capacity extends system memory headroom
  • Registered 288-pin design fits listed Supermicro boards
  • Backward compatible with 2133, 2400, 2666 MHz systems

Targeted Server Upgrade

This 16GB DDR4 2933MHz ECC Registered DIMM is built for Supermicro X11 series motherboards including the X11DPT-L, X11DPT-PS, X11DPU, X11DPX-T and X11DSC+. It suits administrators expanding memory in compatible workstations, servers or NAS systems that require registered error-correcting modules. It will not work in standard desktop computers or alongside unbuffered memory.

Thermals and Power

Operating at 1.2V, the module runs at standard DDR4 voltage without a heat spreader, relying on chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller, helping maintain signal integrity at 2933MHz speeds with CL21 latency. Backward compatibility with 2133MHz, 2400MHz and 2666MHz systems allows flexible deployment across mixed-speed configurations.

Build and Installation

The 288-pin RDIMM uses a 2Rx8 rank organisation and conforms to JEDEC and RoHS standards for reliable insertion into server DIMM slots. OWC tests every module in-house before shipment. Buyers needing unbuffered ECC or non-ECC memory for consumer platforms cannot use this product.

Points forts

  • ECC protection for data integrity in servers
  • 2933 MHz DDR4 speed for responsive workloads
  • 16 GB capacity extends system memory headroom
  • Registered 288-pin design fits listed Supermicro boards
  • Backward compatible with 2133, 2400, 2666 MHz systems

Caractéristiques

BrandOWC
Part Number2R9D42R816GB
Capacity16GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
Heat SpreaderNo
Compatible SystemSupermicro Motherboard X11DPT-L
Supermicro Motherboard X11DPT-PS
Supermicro Motherboard X11DPU
Supermicro Motherboard X11DPX-T
Supermicro Motherboard X11DSC+

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Questions sur cet article

How do I install this 288pin DDR4 RDIMM in a Supermicro X11DPT-L and what step is often missed?

Align the notch on the module with the slot key, press firmly until both ejector clips click shut, then verify in BIOS that the 2933MHz speed and ECC registered mode are detected.

What maintenance or replacement will this 16GB ECC registered module need later?

No routine maintenance is required; if a correctable error count rises or the module fails, replace it with another 2Rx8 1.2V DDR4 2933 RDIMM to keep ECC protection intact.

What limit appears first when this CL21 1.2V RDIMM runs sustained workloads?

The CL21 latency at 2933MHz sets the timing ceiling, so sustained bandwidth is capped by the 23400 MT/s data rate and the registered buffer's command delay.

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