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Two green 288-pin DDR5 RDIMM modules with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 32GB (2x16GB) DDR5 4800 CL40 ECC RDIMM ASRock W790 WS memory upgrade

SKU CH-S75G-BSNAW

32 GB kit of two 16 GB DDR5-4800 ECC registered DIMMs with CL40 latency at 1.1 V for ASRock W790 WS workstations

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

Capacity 32GB 2X16GB

Show 3 more
  • 32GB dual-channel kit expands workstation memory capacity
  • DDR5 4800 CL40 registered ECC ensures data integrity
  • 1V operation reduces power draw per module
  • 288-pin RDIMM form factor fits ASRock W790 WS slots
  • Major OEM Samsung Micron Hynix chips deliver enterprise reliability

System-specific DDR5 ECC kit

This 32 GB kit contains two 16 GB DDR5 4800 modules built for the ASRock W790 WS workstation motherboard. Each stick is a registered RDIMM with ECC and a CL40 latency rating.

Verify registered DIMM support

Confirm that your W790 WS board accepts registered ECC memory and that the BIOS is current before installing. The kit runs at 1.1 V and uses the standard 288-pin DDR5 form factor.

Plain green PCB, no heat spreader

Modules ship without a heat spreader, so airflow across the DIMM slots is the only cooling. The 1Rx8 organisation and major OEM chips keep the layout clean for dense server or workstation builds.

How it compares

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

Price $890.99
Pricier than about 60% 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 $27.84 per GB
Pricier than about 78% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineASRock Server Motherboard Compatible Series Memory
Model nameASRock 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 systemsASRock
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

Other versions of this model

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Questions about this item

Does the 32 GB kit include both 16 GB DDR5 RDIMM modules or must I buy a second kit?

The package contains two 16 GB DDR5 4800 CL40 ECC RDIMM modules for a total of 32 GB; nothing else is required to populate two slots.

How do I decide between this 32 GB kit and a larger capacity for the ASRock W790 WS?

Choose this 32 GB (2 x 16 GB) kit when two slots are available and 32 GB meets the workload; add another identical kit later if the board has free slots and more capacity is needed.

What does the 4800 MT/s rating mean once the modules are installed in the W790 WS?

The memory will run at DDR5 4800 (PC5 38400) with CL40 latency at 1.10 V, providing registered ECC operation at the rated speed on the compatible motherboard.

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