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Green circuit board with black memory chips and gold edge connector

NEMIX RAM

NEMIX RAM 32GB DDR5 4800 CL40 2Rx8 1.1V UDIMM SuperMicro memory upgrade

SKU CH-12RW-8QJH7

A 32 GB DDR5 module running at 4800 MT/s with CL40 latency and 1.1 V operation, built for Supermicro desktop and workstation boards

  • Total capacity32 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeUnbuffered
  • Rated voltage1.1 V
  • 32GB capacity expands system memory for demanding workloads
  • DDR5 4800 speed delivers high data transfer rates
  • CL40 latency supports responsive operation at rated frequency
  • 1V operation reduces power draw versus higher-voltage modules
  • 2Rx8 dual-rank organisation increases memory density per slot

SuperMicro DDR5 4800 upgrade

This 32 GB DDR5 4800 module targets Supermicro desktops and workstations needing a single-slot capacity increase. It runs at 1.1 V with CL40 latency and uses unbuffered 2Rx8 chips from major OEM suppliers. The 288-pin UDIMM fits standard DDR5 desktop sockets without ECC or registered signalling.

Replacing slower DDR5 or adding first stick

The jump is worthwhile when your board supports DDR5 4800 and you need more capacity than the current single module provides. Moving from a lower-frequency DDR5 stick or filling an empty slot lets the memory controller run at its rated 4800 MT/s without downclocking.

Fits standard DDR5 UDIMM slots

The module needs a desktop board with 288-pin DDR5 UDIMM sockets and a CPU or chipset that accepts 1.1 V non-ECC unbuffered memory. It frees a second slot for future expansion while delivering 32 GB in one stick. No heat spreader is included so clearance is minimal.

How it compares

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

Price $462.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $14.47 per GB
Pricier than about 61% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineSuperMicro Server/Workstation Compatible Series Memory
Model nameSuperMicro DDR5 4800 MHz Non-ECC Unbuffered UDIMM
Part numberMD38400-328K1
Total capacity32 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 rank2Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items32 GB (1 × 32 GB) DDR5 4800 MHz PC5-38400 2Rx8 1.1 V CL40 288-PIN Non-ECC Unbuffered UDIMM

Questions about this item

Will this 288-pin DDR5 UDIMM fit a standard desktop DIMM slot?

Yes, the module uses the 288-pin DDR5 UDIMM form factor that matches standard desktop DIMM sockets.

What is the correct orientation step when inserting this CL40 module?

Align the single notch on the 288-pin edge connector with the slot key, press down evenly until both retention clips click into place.

When should the 32GB 2Rx8 module be replaced?

Replace it only if memory diagnostics report errors or the system becomes unstable; otherwise DDR5 modules have no scheduled replacement interval.

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