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Green circuit board with black memory chips and gold edge connectors

OWC

OWC 8GB DDR4 3200 CL22 1Rx8 UDIMM QNAP TS-h977XU-RP TS-h1277XU-RP TS-h1677XU-RP TS-h2477XU-RP

SKU CH-5MMT-G0977

8GB DDR4 3200 CL22 UDIMM memory upgrade for compatible QNAP NAS models

  • Capacity8GB
  • Type288-Pin DDR4 Non-ECC UDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCNo
  • Boosts NAS responsiveness with 8 GB DDR4 3200 memory
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • Single 1Rx8 unbuffered module installs in minutes
  • Runs at 1.2 V for lower power draw
  • Compatible with TS-h977XU-RP, TS-h1277XU-RP, TS-h1677XU-RP, TS-h2477XU-RP

8GB DDR4 upgrade for QNAP NAS

This 8GB DDR4 3200 module is built for the QNAP TS-h977XU-RP, TS-h1277XU-RP, TS-h1677XU-RP and TS-h2477XU-RP. It uses a single 1Rx8 rank on a 288-pin unbuffered UDIMM running at 1.2V. The non-ECC design targets NAS owners who want a straightforward capacity increase without registered memory.

Sustained operation at CL22 3200

JEDEC-standard timings of CL22 at 3200 MT/s keep latency predictable during long file transfers or multi-user access. The module also runs at 2933, 2666, 2400 and 2133 MT/s if the system negotiates a lower speed. No heat spreader is fitted, so airflow in the chassis handles thermal load during continuous duty.

Verify slot count and maximum memory

Confirm your NAS has a free 288-pin UDIMM slot and check the QNAP specification for the maximum supported capacity per slot and in total. This kit replaces QNAP part number RAM-8GDR4T0-UD-3200 and is not compatible with systems that require ECC or registered DIMMs.

Pontos fortes

  • Boosts NAS responsiveness with 8 GB DDR4 3200 memory
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • Single 1Rx8 unbuffered module installs in minutes
  • Runs at 1.2 V for lower power draw
  • Compatible with TS-h977XU-RP, TS-h1277XU-RP, TS-h1677XU-RP, TS-h2477XU-RP

Especificações

BrandOWC
Part Number3U2D41R808GB
Capacity8GB
Type288-Pin DDR4 Non-ECC UDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemQNAP TS-h977XU-RP
QNAP TS-h1277XU-RP
QNAP TS-h1677XU-RP
QNAP TS-h2477XU-RP

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Perguntas sobre este artigo

Does the 1.2V DDR4 module run hot or draw extra power when the NAS operates 24/7?

The module operates at the standard 1.2V DDR4 voltage with no heat spreader, so power draw and thermals stay within normal JEDEC limits for continuous use.

What must the QNAP TS-h977XU-RP already have for this 288-pin UDIMM to work?

The NAS needs a free DDR4 UDIMM slot that supports non-ECC unbuffered memory at 3200, 2933, 2666, 2400 or 2133 MHz.

Will this CL22 stick slow down my existing 2666 MHz RAM in the TS-h1277XU-RP?

The module is backward compatible with 2666 MHz and will run at the speed of the slowest installed DIMM, so both sticks operate at 2666 MHz.

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