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Eight green DDR5 RDIMM sticks in a row

OWC

OWC 1TB (8x128GB) DDR5 4800 CL40 ECC Registered RDIMM Memory Upgrade Kit

SKU CH-H0XX-NNB0F

Eight-module kit adds 1 TB of DDR5 ECC registered memory to ThinkStation P7 and PX workstations

  • Capacity1TB (8 x 128GB)
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 1TB (8 x 128GB)

  • 1 TB capacity with eight 128 GB modules for massive multitasking
  • DDR5 4800 CL40 speed for high-throughput workstation workloads
  • ECC registered design protects data integrity in critical applications
  • 1 V operation reduces power draw per module
  • JEDEC and RoHS compliant for warranty-safe upgrades

OWC 1TB DDR5 ECC RDIMM Kit

This OWC kit provides 1TB of DDR5 4800 CL40 registered ECC memory across eight 128GB modules. It is built for Lenovo ThinkStation P7 and PX workstations that require registered DIMMs with error correction.

Installing 288-pin RDIMMs in ThinkStation P7 PX

Each module seats in a standard 288-pin DDR5 slot at 1.1V. The system will not accept unbuffered or load-reduced DIMMs alongside these registered parts, so mixing memory types prevents boot.

Verify ThinkStation P7 PX memory configuration

Confirm your workstation is a ThinkStation P7 or PX and that all eight slots can be populated with 4Rx4 registered modules. Registered ECC memory will not work in standard desktop motherboards.

Puntos fuertes

  • 1 TB capacity with eight 128 GB modules for massive multitasking
  • DDR5 4800 CL40 speed for high-throughput workstation workloads
  • ECC registered design protects data integrity in critical applications
  • 1 V operation reduces power draw per module
  • JEDEC and RoHS compliant for warranty-safe upgrades

Especificaciones

BrandOWC
Part Number4R8D54R41TBK
Capacity1TB (8 x 128GB)
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
Heat SpreaderNo
Compatible SystemLenovo ThinkStation P7
Lenovo ThinkStation PX

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Preguntas sobre este artículo

How can I confirm the 1TB kit is running at DDR5 4800 CL40 after installation?

In the BIOS or UEFI, verify the memory speed shows 4800 MT/s and the CAS latency reads CL40; the modules operate at 1.1 V and are 4Rx4 registered ECC DIMMs.

What comes in the box and what must be purchased separately?

The kit includes eight 128 GB DDR5 4800 CL40 ECC registered RDIMMs; no extra cables, brackets or cooling parts are required for installation.

Which capacity version should I choose for a ThinkStation P7 or PX?

This is the 1 TB kit (8 × 128 GB); select it when you need the maximum supported capacity for those workstations.

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