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

OWC

OWC 16GB DDR4 2933MHz ECC Registered RDIMM 2Rx8 CL21 1.2V 288pin Server memory upgrade

SKU CH-6S2C-N8BX8

16GB DDR4 ECC registered RDIMM at 2933MHz CL21 for Supermicro X11 server motherboards

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

Capacity 16GB

  • ECC registered design prevents data corruption in critical workloads
  • 2933 MHz DDR4 speed with CL21 latency supports responsive server performance
  • 2 V operation reduces power draw for dense configurations
  • Validated for Supermicro X11DAC, X11DAi-N, X11DDW-L, X11DDW-NT and X11DGO-T
  • Backward compatible with 2133, 2400 and 2666 MHz systems

Targeted Server Upgrade

This 16GB DDR4 2933MHz ECC Registered RDIMM is built for Supermicro motherboards including the X11DAC, X11DAi-N, X11DDW-L, X11DDW-NT and X11DGO-T. It delivers 16GB of error-correcting, registered memory at 1.2V with CL21 latency. The module fits 288-pin DDR4 slots in compatible workstations, servers and NAS systems. It will not work in standard desktop computers or alongside unbuffered memory.

Replaces Specific Supermicro Parts

This module directly replaces Supermicro part numbers MEMDR416LCL01ER29, MEMDR416LCL03ER29, MEM-DR416LD-ER29, MEMDR416LHL04ER29 and MEMDR416LHL05ER29. The upgrade is worth it when existing registered ECC memory has failed or when expanding capacity within the motherboard's supported limits. It also runs at 2133MHz, 2400MHz and 2666MHz for backward compatibility with slower memory configurations. Do not mix with unbuffered DIMMs.

Capacity and Headroom

The single 16GB rank configuration provides 16GB of addressable memory per module, using a 2Rx8 organisation. It comfortably handles multi-threaded server workloads, virtualization and large file caches within the platform's maximum memory ceiling. Headroom ends when all DIMM slots are populated or the motherboard's total capacity limit is reached. Buyers needing more than 16GB per slot or higher frequencies must choose different modules.

Privalumai

  • ECC registered design prevents data corruption in critical workloads
  • 2933 MHz DDR4 speed with CL21 latency supports responsive server performance
  • 2 V operation reduces power draw for dense configurations
  • Validated for Supermicro X11DAC, X11DAi-N, X11DDW-L, X11DDW-NT and X11DGO-T
  • Backward compatible with 2133, 2400 and 2666 MHz systems

Specifikacijos

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 X11DAC
Supermicro Motherboard X11DAi-N
Supermicro Motherboard X11DDW-L
Supermicro Motherboard X11DDW-NT
Supermicro Motherboard X11DGO-T

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Will the 288-pin DDR4 RDIMM fit my Supermicro X11DAC motherboard?

Yes, the module is a 288-pin DDR4 ECC Registered DIMM validated for the X11DAC, X11DAi-N, X11DDW-L, X11DDW-NT and X11DGO-T boards.

How do I install the 16GB CL21 ECC Registered module correctly?

Power off the server, open the chassis, align the notch on the 288-pin edge connector with the slot key, press firmly until both retention clips click, then power on and verify 2933 MHz operation in BIOS.

When will the 1.2V 2Rx8 RDIMM need replacement?

The memory is rated for continuous server workloads at 1.2V; replace only if ECC correctable errors rise sharply or the module fails POST, otherwise it runs for the system's service life.

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