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Single green 288-pin DDR5 RDIMM module with black chips, no heat spreader

NEMIX RAM

NEMIX RAM 128GB DDR5 6400MHz CL52 2Rx4 1.1V ECC RDIMM memory upgrade

SKU CH-XJQD-JA9VV

Adds 128 GB of DDR5 ECC registered memory at 6400 MHz CL52 for Supermicro GrandTwin AS-2116GT-HNTF servers

  • Total capacity128 GB
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • Memory rank2Rx4
  • 128GB single module expands server capacity
  • DDR5 6400MHz CL52 delivers high throughput
  • ECC registered design protects data integrity
  • 1V operation reduces power draw
  • Validated for Supermicro GrandTwin AS-2116GT-HNTF

Capacity and form factor

This is a single 128 GB DDR5 registered DIMM with 288 pins and a 2Rx4 organisation. It runs at 6400 MHz with a CAS latency of 52 and operates at 1.10 volts. ECC and registered buffering provide the error correction and signal integrity required by server platforms.

Suited workloads and limits

The module targets Supermicro GrandTwin A+ systems such as the AS-2116GT-HNTF where high density and data integrity are priorities. Workstations or desktops that cannot accept registered ECC memory should look at unbuffered alternatives instead.

Sustained operation

Registered buffering and on-die ECC maintain stability during continuous multi-threaded loads such as virtualisation, database serving or scientific compute. The low 1.10 V operating voltage helps keep thermal output predictable over extended run periods.

How it compares

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

Price $4,502.99
Pricier than about 78% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $35.18 per GB
Pricier than about 90% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR51200-724K1
Total capacity128 GB
Product type288-Pin DDR5 RDIMM
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items128 GB (1 × 128 GB) DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM

Questions about this item

What motherboard slot is required for the 288-pin DDR5 RDIMM to fit?

The module needs a DDR5 RDIMM slot on a motherboard that supports registered ECC memory and the Supermicro GrandTwin AS-2116GT-HNTF platform.

Can this 128 GB 2Rx4 DDR5-6400 CL52 module run with slower DDR5 RDIMMs already installed?

Yes, it will operate at the lowest common speed and latency across all populated slots; the server BIOS typically handles the downclock automatically.

How do I verify the 1.1 V CL52 ECC RDIMM is running correctly after installation?

Check the BIOS memory summary for 128 GB detected, 6400 MT/s speed, CL52 timings, 1.1 V voltage and ECC status reported as active.

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