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Green circuit board with black memory chips, gold edge connector, no heat spreader

OWC

OWC 128GB DDR4 3200 CL22 4Rx4 288-pin 1.2V ECC Registered RDIMM QNAP TS-h2490FU

SKU CH-M1XJ-ZSC48

A 128GB DDR4 3200 ECC registered RDIMM with CL22 latency and 1.2V operation, validated for the QNAP TS-h2490FU server

  • Capacity128GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCYes

Capacity 128GB

  • 128GB capacity in a single module for maximum density
  • DDR4 3200 speed with CL22 latency for responsive server performance
  • ECC registered design protects data integrity in critical workloads
  • 2V operation reduces power draw and heat output
  • Validated for QNAP TS-h2490FU for guaranteed compatibility

OWC 128GB DDR4 3200 ECC RDIMM

This 128GB DDR4 3200 registered ECC module is built for the QNAP TS-h2490FU server. It targets administrators expanding memory capacity in that specific platform. Standard desktop systems cannot use registered DIMMs, so this product is not for consumer PC upgrades.

Compatibility checklist before ordering

Verify that your unit is the QNAP TS-h2490FU, as this module is validated only for that model. The motherboard must support DDR4 3200 registered ECC memory with a 4Rx4 organisation. Mixing this stick with unbuffered DIMMs will prevent the system from booting.

Build quality and daily implications

The module follows JEDEC and ROHS standards and carries a limited lifetime warranty with free technical support. No heat spreader is fitted, so airflow in the chassis must be sufficient for bare DRAM. The 288-pin registered design requires correct slot population order as defined by the QNAP service guide.

Privalumai

  • 128GB capacity in a single module for maximum density
  • DDR4 3200 speed with CL22 latency for responsive server performance
  • ECC registered design protects data integrity in critical workloads
  • 2V operation reduces power draw and heat output
  • Validated for QNAP TS-h2490FU for guaranteed compatibility

Specifikacijos

BrandOWC
Part Number3R2D44R4128G
Capacity128GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
Heat SpreaderNo
Compatible SystemQNAP TS-h2490FU

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Does the 128GB DDR4 3200 CL22 4Rx4 RDIMM ship alone or as a kit, and do I need any extra brackets or cables?

The upgrade is a single 128GB DDR4 3200 PC4-25600 CL22 4Rx4 288-pin 1.2V ECC Registered DIMM. No brackets, cables or additional parts are required for installation in the QNAP TS-h2490FU.

Should I choose the 128GB 4Rx4 module or look for a different rank or capacity for the TS-h2490FU?

This module is built to match the TS-h2490FU specifications: 128GB, DDR4 3200, CL22, 4Rx4, 1.2V, ECC Registered. OWC recommends identical capacity, speed and manufacturer for optimal performance.

What does the 3200 MT/s rating deliver once the DIMM is installed in the TS-h2490FU?

The module runs at DDR4 3200 (PC4-25600) with CL22 latency at 1.2V, providing ECC Registered error correction and 4Rx4 organisation for server-grade reliability in the TS-h2490FU.

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