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Green rectangular DDR5 RDIMM module 128GB 288-pin no heat spreader

NEMIX RAM

NEMIX RAM 128GB DDR5 4800 CL40 4Rx4 1.1V ECC RDIMM SuperMicro 221HE memory upgrade

SKU CH-QDJZ-W8K7J

A 128GB DDR5 4800 CL40 4Rx4 1.1V ECC RDIMM built for SuperMicro 221HE servers

  • Capacity128GB
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 128 GB single module doubles server capacity instantly
  • DDR5 4800 CL40 registered ECC keeps data accurate under load
  • 1 V operation lowers power draw in dense chassis
  • 4Rx4 288-pin RDIMM fits SuperMicro 221HE SuperServer bays
  • Samsung Micron Hynix chipset ensures enterprise-grade reliability

Compatible SuperMicro 221HE Server Memory

This 128GB DDR5 module is built for the SuperMicro IOT SuperServer SYS-221HE series. It delivers registered ECC reliability for mission-critical workloads in compatible enterprise systems.

DDR5 4800 Registered ECC Limits

The DDR5 4800 standard sets the electrical and timing boundaries for this registered DIMM. System memory controllers and BIOS revisions determine the actual operating speed and supported population rules.

128GB 4Rx4 Single-Module Density

A single 128GB 4Rx4 rank structure provides high capacity per slot. Buyers needing lower density per DIMM or non-registered memory should verify platform requirements before ordering.

Points forts

  • 128 GB single module doubles server capacity instantly
  • DDR5 4800 CL40 registered ECC keeps data accurate under load
  • 1 V operation lowers power draw in dense chassis
  • 4Rx4 288-pin RDIMM fits SuperMicro 221HE SuperServer bays
  • Samsung Micron Hynix chipset ensures enterprise-grade reliability

Caractéristiques

BrandNEMIX RAM
SeriesSuperMicro Server/Workstation Compatible Series Memory
ModelSuperMicro DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-744K1
Capacity128GB
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemSupermicro
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank4Rx4
FeaturesDDR5 ECC Registered RDIMM Server Motherboard Compatible
Package Content128GB (1X128GB) DDR5 4800MHZ PC5-38400 4Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions sur cet article

Should I pick the 128GB single module or combine smaller sticks to reach the same total?

This kit is a single 128GB DDR5 RDIMM running at 4800 with CL40 timing. Using one module fills one 288‑pin slot and leaves remaining channels open for future expansion.

What does the 4800 speed rating deliver inside a SuperMicro SYS‑221HE server?

The module operates at DDR5 4800 (PC5‑38400) with a CAS latency of 40 at 1.10V. In the SYS‑221HE it will run at the platform's supported JEDEC rate, providing registered ECC bandwidth for multi‑core workloads.

How does the 288‑pin DDR5 RDIMM interface limit performance in this system?

The 288‑pin registered DDR5 interface caps the module at the 4800 MT/s JEDEC standard. The SYS‑221HE memory controller drives it at that speed with 4Rx4 organisation and on‑die ECC, so no higher data rate is possible without a platform change.

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