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Two green DDR5 ECC RDIMM sticks in static bag

OWC

OWC 128GB (2x64GB) DDR5 4800 CL40 ECC Registered RDIMM ThinkStation P7 PX memory upgrade

SKU CH-N2FC-A4EM1

128 GB dual-channel DDR5-4800 ECC registered kit with CL40 latency and 1.1 V operation for Lenovo ThinkStation P7 and PX workstations

  • Capacity128GB (2 x 64GB)
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 128GB (2 x 64GB)

  • ECC registered design protects data integrity in workstations
  • 128 GB kit (2 × 64 GB) expands memory capacity
  • DDR5 4800 CL40 at 1.1 V delivers JEDEC-standard speed
  • 288-pin RDIMM form factor fits ThinkStation P7 and PX
  • 2Rx4 organisation enables high-density registered performance

Purpose-built workstation memory

This 128 GB kit comprises two 64 GB DDR5 4800 CL40 registered ECC RDIMMs built for Lenovo ThinkStation P7 and PX systems. It targets professionals who need maximum capacity with error correction for mission-critical workloads.

Build integration requirements

Modules operate at 1.1 V and use the 288-pin RDIMM form factor with 2Rx4 organisation. They require a platform that supports registered ECC DDR5 and cannot be mixed with unbuffered or load-reduced DIMMs.

What the kit delivers

The matched pair enables full-channel population for optimal bandwidth while maintaining JEDEC compliance. Registered buffering reduces electrical load on the memory controller, allowing dense 64 GB modules to run reliably at 4800 MT/s.

Privalumai

  • ECC registered design protects data integrity in workstations
  • 128 GB kit (2 × 64 GB) expands memory capacity
  • DDR5 4800 CL40 at 1.1 V delivers JEDEC-standard speed
  • 288-pin RDIMM form factor fits ThinkStation P7 and PX
  • 2Rx4 organisation enables high-density registered performance

Specifikacijos

BrandOWC
Part Number4R8D52R4128P
Capacity128GB (2 x 64GB)
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemLenovo ThinkStation P7
Lenovo ThinkStation PX

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Will the 4800 MT/s speed hold under sustained all-core workloads?

The kit runs at DDR5 4800 (PC5-38400) with CL40 latency at the standard 1.1 V JEDEC voltage; the workstation's memory controller and cooling determine whether that speed is maintained continuously.

How much heat do the two 64 GB modules add when the system runs all day?

The modules have no heat spreader and operate at the standard 1.1 V DDR5 voltage, so thermal load is minimal; overall case airflow and the ThinkStation's own cooling solution handle the heat.

Which Lenovo workstations must I already own for this 128 GB kit to work?

The upgrade is validated for Lenovo ThinkStation P7 and ThinkStation PX systems that accept 288-pin DDR5 ECC Registered RDIMMs.

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