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Four green DDR5 UDIMM sticks, no heat spreaders, 288-pin, 128GB kit

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR5 4800 CL40 ECC UDIMM Kit for QNAP TS-H1277AXU-RP NAS memory upgrade

SKU CH-N2VS-HAK7G

128 GB DDR5 ECC UDIMM kit adds 4800 MHz error-correcting memory to compatible QNAP NAS in four 32 GB modules

  • Capacity128GB (4 x 32GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V

Capacity 128GB 4X32GB

  • 128GB kit expands NAS capacity for heavy workloads
  • DDR5 4800 speed handles demanding data tasks efficiently
  • ECC UDIMM protects data integrity in critical operations
  • CL40 latency at 1.1V balances responsiveness with stability
  • Four 32GB modules fill QNAP TS-H1277AXU-RP slots completely

Capacity and target system

This 128GB kit contains four 32GB DDR5 modules built for the QNAP TS-H1277AXU-RP NAS. ECC unbuffered UDIMMs provide error correction for data integrity in storage workloads. The PC5-38400 speed rating matches the platform's native 4800MHz specification.

Compatibility checklist

Verify that your NAS model is the exact TS-H1277AXU-RP and that all four memory slots are free for a full population. The motherboard must accept 288-pin DDR5 ECC UDIMMs at 1.1V with a 2Rx8 rank structure. Consult the QNAP manual for the approved installation sequence.

Upgrade context

This kit replaces lower-capacity DDR5 ECC UDIMMs or fills empty slots to reach the 128GB maximum supported by this chassis. The jump is worthwhile when virtualization, container workloads or large ZFS pools exceed the current memory ceiling. Systems already running 128GB of identical specification will not benefit.

Puntos fuertes

  • 128GB kit expands NAS capacity for heavy workloads
  • DDR5 4800 speed handles demanding data tasks efficiently
  • ECC UDIMM protects data integrity in critical operations
  • CL40 latency at 1.1V balances responsiveness with stability
  • Four 32GB modules fill QNAP TS-H1277AXU-RP slots completely

Especificaciones

BrandNEMIX RAM
SeriesQNAP NAS Compatible Series Memory
ModelQNAP DDR5 4800MHZ ECC Unbuffered UDIMM NAS Memory
Part NumberME38400-328K4
Capacity128GB (4 x 32GB)
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemQnap
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 ECC UDIMM
Rank2Rx8
FeaturesDDR5 ECC Unbuffered UDIMM Motherboard Compatible
Package Content128GB (4X32GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 288-PIN ECC Unbuffered UDIMM KIT

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Preguntas sobre este artículo

Does the kit include four 32 GB modules or do I need to buy extra sticks?

The package contains four 32 GB DDR5 4800 CL40 ECC UDIMM modules, totalling 128 GB, so no additional sticks are required.

Should I choose the 4800 MT/s CL40 version or a different speed for my TS-H1277AXU-RP?

This kit is built to the exact DDR5 4800 PC5-38400 specification validated for the TS-H1277AXU-RP; other speeds are not qualified for that model.

What does the 4800 MT/s rating mean once the memory is installed in the NAS?

The modules run at 4800 MT/s with CL40 latency at 1.10 V, delivering the bandwidth and error correction the TS-H1277AXU-RP expects for stable operation.

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