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Green rectangular circuit board with gold edge connectors and black memory chips, no heat spreader

OWC

OWC 32GB DDR4 2400MHz CL17 ECC Registered RDIMM 2Rx4 288pin memory upgrade for Lenovo NeXtScale nx360 M5

SKU CH-PNG0-FCGSW

32 GB DDR4 2400 MHz ECC registered RDIMM, CL17, 1.2 V, 2Rx4, validated for Lenovo NeXtScale nx360 M5 servers

  • Total capacity32 GB
  • Rated speedDDR4 2400 (PC4 19200)
  • CAS latencyCL17
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx4
  • ECC registered design protects data integrity in server workloads
  • 32 GB capacity expands memory for virtualisation and large datasets
  • DDR4 2400 MHz CL17 at 1.2 V balances speed and power efficiency
  • 288-pin RDIMM 2Rx4 form factor fits Lenovo NeXtScale nx360 M5 slots
  • Replaces Lenovo part numbers 46W0832 46W0833 46W0835 4X70G88320 4X70M09263

32GB DDR4 2400MHz ECC RDIMM for Lenovo nx360 M5

This 32GB DDR4 2400MHz CL17 registered DIMM is built for the Lenovo NeXtScale nx360 M5 (E5-2600 v3) server platform. It delivers 32GB of ECC registered memory in a single 288-pin module operating at 1.2V. The module is designed for enterprise workloads that require error correction and signal buffering. It will not work in standard desktop computers or alongside unbuffered memory.

Sustained load behaviour

Under continuous server workloads the ECC registered design corrects single-bit errors and reduces electrical load on the memory controller. The CL17 latency at 2400MHz provides consistent throughput for virtualisation, database and compute tasks. Registered buffering helps maintain signal integrity when multiple modules populate the chassis. No heat spreader is fitted, so airflow across the DIMM slots must be maintained by the system fans.

Installation and common issues

The module installs in any available 288-pin DDR4 ECC RDIMM slot on the nx360 M5. Ensure the server is powered off and the ejection levers are open before seating the DIMM firmly until the levers click. A common issue is mixing this registered ECC module with unbuffered non-ECC DIMMs, which prevents the system from posting. Verify the existing memory population rules in the Lenovo service guide before adding this 32GB stick.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $223.99
Cheaper than about 57% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $7.00 per GB
Cheaper than about 57% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number2R4D42R432 GB
Total capacity32 GB
Product type288-Pin DDR4 ECC RDIMM
Performance
Rated speedDDR4 2400 (PC4 19200)
Memory
CAS latencyCL17
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsLenovo NeXtScale nx360 M5 (E5-2600 v3)

Questions about this item

How much heat or power does the 1.2 V DDR4 2400 module add when running continuously in a NeXtScale nx360 M5?

At 1.2 V the 32 GB RDIMM draws modest power and runs without a heat spreader; normal server airflow keeps it cool during all-day workloads.

What existing hardware must the server already have for this 288-pin registered ECC stick to function?

The nx360 M5 must use an E5-2600 v3 processor and a motherboard that accepts 288-pin DDR4 registered ECC RDIMMs; unbuffered DIMMs cannot be used.

Can this 2Rx4 CL17 module share channels with the Lenovo 46W0832 or 4X70G88320 parts already installed?

Yes — it replaces part numbers 46W0832, 46W0833, 46W0835, 4X70G88320 and 4X70M09263, so it will operate alongside identical registered ECC modules in the same system.

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