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Two green DDR5 RDIMM modules, bare chips, no heat spreader

NEMIX RAM

NEMIX RAM 256GB (2x128GB) DDR5 4800 CL40 ECC RDIMM SuperMicro Server Memory Upgrade

SKU CH-T72N-33S24

A 256 GB DDR5 4800 kit of two 128 GB ECC RDIMM modules for SuperMicro servers

  • Capacity256GB (2 x 128GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 256 GB capacity with two 128 GB modules for high-density server workloads
  • DDR5 4800 speed rated at PC5-38400 for fast data throughput
  • ECC registered RDIMM with CL40 latency ensures data integrity under load
  • 10 V operating voltage reduces power draw in dense configurations
  • Validated for SuperMicro SYS-211SE-31DS, SYS-211SE-31AS and X31SEED-SF systems

256GB DDR5 ECC RDIMM kit for Supermicro servers

This 256GB kit contains two 128GB DDR5 4800 modules built for Supermicro IoT SuperServer platforms. Each stick is a 288-pin registered DIMM with on-die ECC and a 4Rx4 organisation. The 1.10V operating voltage matches the DDR5 baseline for server memory.

Sustained-load behaviour with registered ECC

The registered buffer reduces electrical load on the memory controller, allowing the full 256GB to remain stable under continuous server workloads. ECC corrects single-bit errors on the fly, preventing data corruption during long compute runs. CL40 latency is the standard timing for DDR5 4800 registered modules.

DDR5 4800 interface limits

The PC5-38400 rating defines the peak transfer rate of the DDR5 4800 interface. Registered DIMMs add one clock cycle of command delay, which is accounted for in the CL40 specification. Four-rank density per module maximises capacity per slot but may restrict maximum populated DIMM counts on some motherboards.

Points forts

  • 256 GB capacity with two 128 GB modules for high-density server workloads
  • DDR5 4800 speed rated at PC5-38400 for fast data throughput
  • ECC registered RDIMM with CL40 latency ensures data integrity under load
  • 10 V operating voltage reduces power draw in dense configurations
  • Validated for SuperMicro SYS-211SE-31DS, SYS-211SE-31AS and X31SEED-SF systems

Caractéristiques

BrandNEMIX RAM
SeriesSuperMicro Server/Workstation Compatible Series Memory
ModelSuperMicro DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-744K2
Capacity256GB (2 x 128GB)
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 Content256GB (2X128GB) DDR5 4800MHZ PC5-38400 4Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions sur cet article

How much power does each 128GB DDR5 4800 4Rx4 module draw at 1.10V during sustained server workloads?

Each module operates at 1.10V; DDR5 4800 4Rx4 registered ECC DIMMs typically draw 5–7 watts per stick under full load, so the pair stays well within a standard server memory power budget.

What motherboard slot type and BIOS support are required to run this 256GB DDR5 4800 ECC RDIMM kit?

A SuperMicro motherboard with 288-pin DDR5 RDIMM slots and BIOS that supports 4Rx4 registered ECC modules at 4800 MT/s is needed; the kit is validated for SYS-211SE-31DS, SYS-211SE-31AS and X31SEED-SF platforms.

Can I mix these 4800 CL40 4Rx4 DDR5 RDIMMs with slower DDR5 modules already installed in my SuperMicro server?

The memory controller will downclock all modules to the lowest common speed and highest latency; mixing ranks or speeds is possible but not recommended for mission-critical stability.

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