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Green printed circuit board with black memory chips on both sides, 288 gold edge contacts, no heat spreader

OWC

OWC 32GB DDR4 3200 PC4-25600 CL22 2Rx4 288-pin 1.2V ECC Registered RDIMM for QNAP TS-h2490FU

SKU CH-NNNK-672H5

A 32GB DDR4 3200 ECC registered RDIMM validated for the QNAP TS-h2490FU server

  • Total capacity32 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 32GB

  • 32 GB capacity expands server memory for heavy workloads
  • DDR4 3200 speed matches QNAP TS-h2490FU specifications
  • ECC registered design prevents data errors in critical tasks
  • 2 V operation reduces power draw and heat
  • 288-pin RDIMM form factor fits the target NAS exactly

32GB DDR4 ECC RDIMM for QNAP TS-h2490FU

This OWC module delivers 32GB of DDR4 3200 memory in a single 288-pin registered DIMM. It operates at 1.2V with CL22 latency and 2Rx4 organisation. The part is built for the QNAP TS-h2490FU and replaces QNAP part numbers RAM-32GDR4ECK0-RD-3200, RAM-32GDR4ECK1-RD-3200 and RAM-32GDR4ECT0-RD-3200.

Who should use this and who should not

This memory suits administrators upgrading or repairing a QNAP TS-h2490FU that requires ECC registered DDR4 RDIMMs. It will not work in standard desktop computers or any system that accepts only unbuffered non-ECC modules. Builders needing unbuffered memory or a different form factor must choose a different product.

The specification that decides fit

The module is a 288-pin DDR4 3200 ECC registered RDIMM with CL22 timing and 1.2V operation. Verify that the QNAP TS-h2490FU documentation calls for this exact registered ECC specification before purchasing.

How it compares

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

Price $203.99
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 $6.37 per GB
Cheaper than about 62% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameOWC
Part number3R2D42R432 GB
Total capacity32 GB
Product type288-Pin DDR4 ECC RDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsQNAP TS-h2490FU

Other versions of this model

5 more in the same range

Questions about this item

Is this 32GB module the only capacity available for the QNAP TS-h2490FU?

This listing is for a single 32GB DDR4 3200 PC4-25600 CL22 2Rx4 288-pin 1.2V ECC Registered RDIMM. Other capacities may exist but are not covered by this product.

What does the 3200 speed rating deliver in the TS-h2490FU?

The module runs at DDR4 3200 (PC4-25600) with CL22 latency, providing the rated bandwidth and timing the QNAP TS-h2490FU expects for registered ECC memory.

Will the 288-pin DDR4 ECC registered interface work in a standard desktop?

No. This 288-pin DDR4 ECC Registered RDIMM is designed for workstation and server platforms like the QNAP TS-h2490FU and is not compatible with standard desktop computers that use unbuffered memory.

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