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Eight green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 1TB (8x128GB) DDR5 4800 PC5-38400 4Rx4 CL40 288-Pin ECC RDIMM Lenovo Thinkstation PX

SKU CH-FYJP-9RN14

Eight 128 GB DDR5 RDIMMs deliver 1 TB of registered ECC memory at 4800 MT/s CL40 for Lenovo ThinkStation PX workstations

  • Capacity1TB (8 x 128GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 1TB total capacity with eight 128GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered RDIMM for data integrity
  • CL40 CAS latency at 1.10V operating voltage
  • 288-pin 4Rx4 configuration built for Lenovo Thinkstation PX

Lenovo Thinkstation PX DDR5 kit

This 1 TB kit contains eight 128 GB DDR5 ECC registered DIMMs built for the Lenovo Thinkstation PX workstation. The modules run at 4800 MT/s with CL40 latency and operate at 1.1 V. Registered buffering and error correction protect data integrity in professional workloads.

Upgrade from smaller RDIMM sets

Replacing a partial population with this full 1 TB configuration removes the need to mix ranks and speeds across channels. The jump is worth it when applications demand the maximum supported memory capacity for large datasets or virtualisation hosts.

Capacity and headroom

Eight 4Rx4 modules deliver 1 TB of addressable memory for memory-intensive simulations, rendering and database caching. Headroom ends when the workstation’s memory controller reaches its supported rank-per-channel limit or the chassis runs out of 288-pin slots.

Highlights

  • 1TB total capacity with eight 128GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered RDIMM for data integrity
  • CL40 CAS latency at 1.10V operating voltage
  • 288-pin 4Rx4 configuration built for Lenovo Thinkstation PX

Specifications

BrandNEMIX RAM
SeriesLenovo Server/Workstation Compatible Series Memory
ModelLenovo DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-744K8
Capacity1TB (8 x 128GB)
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemLenovo
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank4Rx4
FeaturesDDR5 ECC Registered RDIMM Server Motherboard Compatible
Package Content1TB (8X128GB) DDR5 4800MHZ PC5-38400 4Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Will the 288-pin DDR5 RDIMM modules fit the Lenovo ThinkStation PX DIMM slots?

Yes, the kit uses standard 288-pin DDR5 RDIMM form factor that matches the workstation's memory slots.

Do I need to populate all eight slots in a specific order for the 4Rx4 registered modules to initialise?

Follow the ThinkStation PX manual for population sequence; registered 4Rx4 DIMMs typically require filling slots per channel starting with the first slot from the CPU.

When should I consider replacing the 1.1 V DDR5 modules if ECC corrections increase over time?

Monitor system logs for rising correctable error counts; persistent uncorrectable errors or failed POST indicate a module needs replacement.

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