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Green circuit board with black chips, no heat spreader, gold edge connector, DDR5 RDIMM server memory module

NEMIX RAM

NEMIX RAM 16GB DDR5 4800 CL40 1.1V 288-Pin ECC RDIMM THINKMATE SuperServer 511E-WR 521E-WR memory upgrade

SKU CH-TWH9-RZZ3E

Adds 16 GB of DDR5 ECC registered memory at 4800 MT/s for Thinkmate SuperServer 511E-WR and 521E-WR systems

  • Total capacity16 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 16 GB DDR5 4800 MHz ECC RDIMM protects data integrity in Thinkmate SuperServer 511E-WR and 521E-WR
  • Registered 1Rx8 design at CL40 latency keeps server workloads stable under heavy load
  • Low 1.10 V operation reduces power draw while delivering PC5-38400 bandwidth
  • Major OEM Samsung, Micron or Hynix chips ensure enterprise-grade reliability
  • Single 288-pin module installs in minutes for quick capacity expansion

16GB DDR5 4800 ECC RDIMM for THINKMATE SuperServer

This 16GB registered DDR5 module runs at 4800MHz with CL40 latency and 1.1V operation. It is built for THINKMATE SuperServer 511E-WR and 521E-WR systems requiring ECC RDIMM memory. The single-rank 1Rx8 design uses major OEM chips from Samsung, Micron or Hynix. It installs in a standard 288-pin DDR5 server slot.

Sustained load stability with registered ECC

Registered buffering reduces electrical load on the server memory controller during continuous operation. ECC corrects single-bit errors in real time, preventing data corruption under heavy workloads. The 1.1V voltage supports efficient power draw in dense configurations. Modules are stress-tested under load before shipping to verify reliability in mission-critical environments.

Upgrades compatible THINKMATE SuperServer platforms

This module replaces or expands memory in 511E-WR and 521E-WR SuperServer systems. The jump is worth it when current capacity limits virtualization density, database caching or multi-user application performance. It adds 16GB per slot without requiring heat spreaders or higher voltages. Buyers needing larger single-module capacities or non-registered UDIMM memory should verify platform support first.

How it compares

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

Price $443.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 16 GB
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $27.75 per GB
Pricier than about 78% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Product lineTHINKMATE Server/Workstation Compatible Series Memory
Model nameTHINKMATE DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-618K1
Total capacity16 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 systemsTHINKMATE
In the box
Included items16 GB (1 × 16 GB) DDR5 4800 MHz PC5-38400 1Rx8 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

How much power does the 1.1 V DDR5 4800 module add when the server runs all day?

Each module draws 1.1 V at DDR5 4800 speed; total power depends on how many DIMMs the platform populates.

What must the system already provide for this RDIMM to function?

A DDR5 RDIMM slot with registered ECC support and a memory controller qualified for PC5-38400 CL40 operation.

Will this DDR5 4800 stick work in the Thinkmate SuperServer 511E-WR and 521E-WR I already own?

The module is validated for those exact models, so it installs directly into their DDR5 RDIMM slots.

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