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Two green DDR5 UDIMM sticks, no heat spreaders, 288 pins each

NEMIX RAM

NEMIX RAM 32GB (2x16GB) DDR5 4800 PC5-38400 CL40 1.1V 288-pin UDIMM memory upgrade

SKU CH-0K46-S8ASB

A 32 GB dual-channel DDR5 kit running at 4800 MT/s with CL40 latency for Supermicro desktop workstations

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeUnbuffered
  • Rated voltage1.1 V

Capacity 32GB 2X16GB

  • 32 GB kit expands desktop capacity
  • DDR5 4800 MT/s delivers high bandwidth
  • CL40 timing at 1.1 V for efficient operation
  • 288-pin UDIMM fits compatible Supermicro boards
  • Samsung, Micron or Hynix chips ensure reliability

Compatible Supermicro DDR5 kit

This 32 GB kit contains two 16 GB DDR5 4800 UDIMM modules built for Supermicro desktop and workstation systems. It targets administrators and builders who need validated memory for the SYS-531AD-I and C9Z790-CG platforms.

Standard voltage and unbuffered design

Each module runs at 1.10 V with CL40 latency and no heat spreader. The unbuffered, non-ECC layout keeps power draw predictable and acoustic impact minimal inside typical chassis airflow.

288-pin UDIMM form factor

The dual-rank 1Rx8 sticks install directly into standard DDR5 slots without registration or ECC overhead. Buyers who need registered DIMMs, ECC protection, or capacities beyond 32 GB should select a different configuration.

How it compares

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

Price $339.99
Typical for this category: the median of 21,161 items is $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 $10.62 per GB
Pricier than about 55% 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 lineSuperMicro Server/Workstation Compatible Series Memory
Model nameSuperMicro DDR5 4800 MHz Non-ECC Unbuffered UDIMM
Part numberMD38400-618K2
Total capacity32 GB (2 × 16 GB)
Product type288-Pin DDR5 UDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Memory rank1Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items32 GB (2 × 16 GB) DDR5 4800 MHz PC5-38400 1Rx8 1.1 V CL40 288-PIN Non-ECC Unbuffered UDIMM KIT

Other versions of this model

5 more in the same range

Questions about this item

How do I install the 288-pin DDR5 UDIMM modules in the SuperMicro SYS-531AD-I and what step is often missed?

Align the notch on each 1Rx8 module with the slot key, press firmly until both side clips click, then enable XMP or manually set 4800 MT/s and CL40 in BIOS — the step most people miss is confirming the speed and latency after boot.

What maintenance or replacement will the 32GB kit need over time?

No moving parts or heat spreader mean no routine maintenance; if a module fails the lifetime replacement warranty covers it, otherwise the kit runs until a platform upgrade requires different memory.

What limit appears first when the 1.1V CL40 modules run sustained workloads?

The CL40 latency at 4800 MT/s is the primary bottleneck; bandwidth caps at PC5-38400, so latency-sensitive tasks hit that ceiling before thermal or voltage limits become an issue.

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