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

OWC

OWC 8GB DDR4 3200 CL22 ECC UDIMM memory upgrade

SKU CH-7NT2-F0A20

8GB DDR4 3200 ECC UDIMM for QNAP TS-h series NAS, CL22 1.2V unbuffered single-rank module

  • Capacity8GB
  • Type288-Pin DDR4 ECC UDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCYes
  • ECC protection prevents data corruption in critical workloads
  • 3200 MHz speed delivers responsive multitasking performance
  • 2V operation reduces power consumption and heat
  • 288-pin UDIMM fits QNAP TS-h series NAS systems
  • JEDEC compliance ensures warranty-safe upgrade compatibility

8GB DDR4 ECC UDIMM for QNAP NAS

This 8GB DDR4 3200 CL22 ECC unbuffered UDIMM is built for QNAP TS-h1887XU TS-h2287XU TS-h3087XU TS-h3088XU-RP and TS-h987XU systems. It replaces QNAP part numbers RAM-8GDR4ECT0-UD-3200 and RAM-8GDR4ECI0-UD-3200. The module runs at 1.2V with a 1Rx8 rank configuration on a 288-pin interface.

Sustained-load behaviour with ECC

Error-correcting code detects and corrects single-bit errors during continuous operation, protecting data integrity in NAS workloads such as file serving backup and virtualization. JEDEC-standard timings at 3200 MT/s and CL22 latency maintain stable throughput without overclocking headroom. The unbuffered design keeps latency low for the supported platforms.

Check slot count and population rules

Verify how many UDIMM slots your QNAP model exposes and whether it requires matched pairs or specific slot ordering. Confirm the chassis can accept a non-heat-spreadered module if airflow is restricted. The module is backward compatible with 2133 2400 2666 and 2933 MT/s buses but will run at the highest common speed supported by the system.

Pluspunten

  • ECC protection prevents data corruption in critical workloads
  • 3200 MHz speed delivers responsive multitasking performance
  • 2V operation reduces power consumption and heat
  • 288-pin UDIMM fits QNAP TS-h series NAS systems
  • JEDEC compliance ensures warranty-safe upgrade compatibility

Specificaties

BrandOWC
Part Number3E2D41R808GB
Capacity8GB
Type288-Pin DDR4 ECC UDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCYes
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemQNAP TS-h1887XU
QNAP TS-h2287XU
QNAP TS-h3087XU
QNAP TS-h3088XU-RP
QNAP TS-h987XU

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Vragen over dit artikel

Does the 1.2V DDR4 3200 module run cool without a heat spreader in a NAS that operates 24/7?

The module operates at the standard 1.2V JEDEC voltage and has no heat spreader; typical NAS airflow is sufficient for continuous operation at CL22 speeds.

My QNAP TS-h3087XU has empty 288-pin slots — is anything else required to install this ECC UDIMM?

The system must support DDR4 ECC unbuffered memory; the module plugs directly into a free 288-pin slot with no extra cables, brackets or firmware steps.

Will this CL22 stick downclock reliably alongside my existing 2666MHz ECC DIMMs in the same QNAP?

Yes — the module is backward compatible with 2133, 2400, 2666 and 2933MHz speeds and will run at the lowest common frequency when mixed.

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