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Green bare circuit board DDR4 RDIMM with black memory chips and gold edge connectors

OWC

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

SKU CH-9PAE-B50SB

16 GB DDR4 2933 MHz ECC registered RDIMM for Supermicro X11 server boards

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

Capacity 16GB

  • ECC registered design protects data integrity in servers
  • 2933 MHz DDR4 speed handles demanding workloads
  • 16 GB capacity expands memory for multitasking
  • 2 V operation reduces power consumption
  • Validated for Supermicro X11DGQ, X11DPD-L, X11DPD-M25, X11DPFF-SN, X11DPFF-SNR

Target System Memory

This 16GB DDR4 ECC Registered RDIMM is built for Supermicro X11 server and workstation boards including the X11DGQ, X11DPD-L, X11DPD-M25, X11DPFF-SN and X11DPFF-SNR. It suits administrators extending the life of existing infrastructure or assembling new rack systems that require registered memory with error correction. Buyers using standard desktop motherboards or unbuffered DIMMs cannot use this module.

Compatibility Check

Verify that your motherboard is one of the five listed Supermicro X11 models and that the memory slots accept 288-pin DDR4 Registered DIMMs running at 1.2V. The module operates at 2933MHz CL21 and is backward compatible with 2133MHz, 2400MHz and 2666MHz bus speeds. It must not be mixed with unbuffered memory and requires a platform that supports ECC Registered operation.

Build and Connectors

The stick uses a standard 288-pin RDIMM form factor without a heat spreader, allowing it to fit in dense server chassis where clearance is tight. Gold-edge contacts meet JEDEC and RoHS specifications for reliable insertion and long-term signal integrity. Registered buffering reduces electrical load on the memory controller, helping stability in multi-DIMM configurations common in 2R9D42R816GB deployments.

Privalumai

  • ECC registered design protects data integrity in servers
  • 2933 MHz DDR4 speed handles demanding workloads
  • 16 GB capacity expands memory for multitasking
  • 2 V operation reduces power consumption
  • Validated for Supermicro X11DGQ, X11DPD-L, X11DPD-M25, X11DPFF-SN, X11DPFF-SNR

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 X11DGQ
Supermicro Motherboard X11DPD-L
Supermicro Motherboard X11DPD-M25
Supermicro Motherboard X11DPFF-SN
Supermicro Motherboard X11DPFF-SNR

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Does the 288-pin DDR4 ECC Registered RDIMM come as a single 16GB module or do I need to buy anything else to install it?

The package contains one 16GB DDR4 2933MHz CL21 1.2V 288-pin ECC Registered RDIMM. No extra parts or cables are required for installation in a compatible Supermicro motherboard.

I see only one capacity listed — how do I know if 16GB is the right size for my Supermicro X11DPD-L or X11DPFF-SN build?

This module provides 16GB per DIMM. Check your motherboard's maximum supported capacity and available slots; you can populate multiple slots with identical 16GB modules to reach the total memory you need.

The spec says 2933MHz CL21 — what speed will it actually run at in a system that only supports 2400MHz or 2666MHz?

The module is backward compatible with 2133MHz, 2400MHz and 2666MHz platforms, so it will automatically operate at the highest speed the motherboard and CPU memory controller allow.

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