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Two green DDR5 RDIMM sticks with gold contacts and black chips

NEMIX RAM

NEMIX RAM 32GB (2x16GB) DDR5 4800 CL40 ECC RDIMM Lenovo Thinkstation PX memory upgrade

SKU CH-4YWD-CRP9F

A 32 GB dual-channel DDR5 kit with ECC and registered operation for the Lenovo ThinkStation PX

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 32 GB capacity with two 16 GB modules
  • DDR5 4800 speed rated at PC5-38400
  • ECC registered RDIMM for error correction
  • CL40 latency at 1.1 V operation
  • 288-pin form factor built for Lenovo Thinkstation PX

32GB DDR5 ECC RDIMM kit for Lenovo Thinkstation PX

This 32GB kit contains two 16GB DDR5 4800 registered DIMMs with ECC and CL40 latency. It is built for the Lenovo Thinkstation PX workstation platform where registered ECC memory is required for system stability. The modules operate at 1.1V and use a 288-pin DDR5 form factor.

Verify registered ECC support

Before ordering, confirm that your Thinkstation PX accepts DDR5 4800 registered ECC RDIMMs and check the motherboard manual for approved slot configurations. Some workstations require specific population orders or limit maximum capacity per channel, so matching the 1Rx8 rank structure to the platform rules is essential.

Thermals noise and power draw in normal use

The modules run at 1.1V without a heat spreader, relying on system airflow for cooling. Registered ECC DIMMs typically add minimal thermal load compared to unbuffered equivalents, and the low voltage helps keep power draw modest during sustained workloads. Expect silent operation as there are no active cooling components on the kit.

How it compares

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

Price $797.99
Pricier than about 58% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $24.94 per GB
Pricier than about 69% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineLenovo Server/Workstation Compatible Series Memory
Model nameLenovo DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-618K2
Total capacity32 GB (2 × 16 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank1Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsLenovo
In the box
Included items32 GB (2 × 16 GB) DDR5 4800 MHz PC5-38400 1Rx8 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

What does the 32 GB kit contain and is anything else required for installation?

The kit includes two 16 GB DDR5 4800 ECC registered RDIMM modules. No additional parts are needed; install them directly into compatible Lenovo ThinkStation PX DIMM slots.

Why choose the 32 GB CL40 kit instead of a different capacity or latency?

This 32 GB kit matches the ThinkStation PX qualified configuration with CL40 timing and 1.1 V operation, providing ECC error correction for stable workstation workloads.

What does the 4800 MT/s rating deliver in the actual workstation?

The modules run at 4800 MT/s (PC5-38400) with CL40 latency, giving the ThinkStation PX its rated memory bandwidth while maintaining ECC data integrity.

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