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Green bare circuit board with gold edge connector and black memory chips

OWC

OWC 32GB DDR4 2400 PC4-19200 CL17 2Rx4 288-pin 1.2V ECC Registered RDIMM memory upgrade for QNAP TDS-16489U

SKU CH-Q6ZY-1QR79

32GB DDR4 2400 ECC registered RDIMM for QNAP TDS-16489U server upgrades

  • Capacity32GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Voltage1.2V
  • ECCYes
  • ECC registered design protects data integrity in servers
  • 32 GB single module expands QNAP TDS-16489U capacity
  • DDR4 2400 CL17 matches system memory speed
  • 2 V operation reduces power draw
  • JEDEC and RoHS compliant for warranty-safe upgrades

OWC 32GB DDR4 ECC RDIMM for QNAP TDS-16489U

This 32GB DDR4 2400 ECC registered RDIMM is built specifically for the QNAP TDS-16489U NAS. It targets server and workstation administrators who need error-correcting, registered memory to maintain data integrity in a supported platform. Standard desktop systems cannot use this module.

Thermals noise and power at 1.2V

The module runs at the standard JEDEC 1.2V, keeping power draw low inside a dense NAS chassis. No heat spreader is fitted, so airflow from the system fans provides all cooling. Registered buffering reduces electrical load on the memory controller, helping stability under sustained workloads.

Single 288-pin DIMM slot upgrade

A single 32GB stick occupies one 288-pin DDR4 slot, leaving remaining bays free for further expansion up to the platform limit. ECC and registered operation require matching modules; mixing with unbuffered memory is not supported. Installation is a tool-free DIMM swap on compatible hardware.

Highlights

  • ECC registered design protects data integrity in servers
  • 32 GB single module expands QNAP TDS-16489U capacity
  • DDR4 2400 CL17 matches system memory speed
  • 2 V operation reduces power draw
  • JEDEC and RoHS compliant for warranty-safe upgrades

Specifications

BrandOWC
Part Number2R4D42R432GB
Capacity32GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemQNAP TDS-16489U

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Questions about this item

How do I install this 288-pin DDR4 ECC RDIMM into my QNAP TDS-16489U and what step is often missed?

Power off the NAS, open the chassis, align the module's notch with the slot key, press firmly until both retention clips lock, then verify the system recognises the full 32GB capacity at 2400MHz in the BIOS or QNAP firmware.

What maintenance or replacement will this 32GB DDR4 2400 CL17 module need over its service life?

No scheduled maintenance is required; the module has no heat spreader or moving parts, so only a future capacity upgrade or a rare failure would prompt replacement under the limited lifetime warranty.

What limit appears first when this registered ECC RDIMM runs sustained workloads in the TDS-16489U?

The DDR4 2400 PC4-19200 bandwidth ceiling and CL17 latency are the primary bottlenecks under continuous heavy load before thermal or voltage constraints arise at 1.2V.

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