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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

  • Total capacity32 GB
  • Rated speedDDR4 2400 (PC4 19200)
  • CAS latencyCL17
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx4
  • 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.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $210.99
Cheaper than about 58% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $6.59 per GB
Cheaper than about 60% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number2R4D42R432 GB
Total capacity32 GB
Product type288-Pin DDR4 ECC RDIMM
Performance
Rated speedDDR4 2400 (PC4 19200)
Memory
CAS latencyCL17
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsQNAP TDS-16489U

Other versions of this model

5 more in the same range

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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