We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Six green DDR5 RDIMM modules with black chips and gold contacts, no heat spreader

NEMIX RAM

NEMIX RAM 384GB (6x64GB) DDR5 6400MHz CL52 2Rx4 ECC RDIMM Supermicro SYS-122HA-TN-LCC memory upgrade

SKU CH-S78X-N0KEA

Six 64 GB DDR5 ECC registered DIMMs running at 6400 MHz CL52 for 384 GB total capacity in the Supermicro SYS-122HA-TN-LCC server

  • Total capacity384 GB (6 × 64 GB)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • Memory rank2Rx4
  • 384GB total capacity scales server workloads with six 64GB modules
  • ECC registered design protects data integrity in critical applications
  • DDR5 6400MHz speed delivers high bandwidth for demanding tasks
  • 1V operation reduces power draw per module
  • 288-pin RDIMM form factor fits Supermicro SYS-122HA-TN-LCC systems

Server memory upgrade

This 384 GB kit supplies six 64 GB DDR5 registered DIMMs built for the Supermicro SYS-122HA-TN-LCC platform. Each module runs at 6400 MHz with a CAS latency of 52 and operates at 1.1 V. The registered ECC design targets data integrity in multi-socket server workloads.

Thermals and power

The modules carry no heat spreader and rely on the chassis airflow typical of 1U and 2U Supermicro systems. At the rated 1.1 V the kit draws minimal power per DIMM, keeping thermal contribution low inside dense configurations. Acoustic impact is limited to the existing system fans.

Sustained load behaviour

Registered buffering and on-die ECC maintain signal quality during continuous memory-intensive tasks such as virtualisation or in-memory databases. The 2Rx4 organisation supports full population of all channels without down-clocking. Buyers needing non-ECC or unbuffered modules for workstation boards should look elsewhere.

How it compares

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

Price $13,149.99
Pricier than about 90% of the 21,161 comparable items (median $397.99).
Total capacity 384 GB (6 × 64 GB)
Higher than about 85% of the 20,941 comparable items (median 32 GB).
Price per GB $34.24 per GB
Pricier than about 90% 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 lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR51200-924K6
Total capacity384 GB (6 × 64 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 items384 GB (6 × 64 GB) DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How do I install the 288-pin DDR5 RDIMM modules in the SYS-122HA-TN-LCC, and which slot-population rule is most often missed?

Power down the server and open the chassis. Align each module's key notch with the slot and press firmly until both ejector clips lock. The step most often missed is following the motherboard's specific population sequence for 2Rx4 registered DIMMs to enable all memory channels.

What maintenance or replacement will the 384GB ECC RDIMM kit require over its service life?

The modules have no heat spreaders and no moving parts, so no scheduled maintenance is needed. ECC corrects single-bit errors on the fly. If a DIMM develops uncorrectable errors, the system logs will flag it and only the affected 64GB module needs replacement.

What is the first limit reached when the 6400MHz CL52 registered memory runs under sustained load?

The registered buffer adds one cycle of latency, so the CL52 timing at 6400MHz becomes the primary latency ceiling before bandwidth saturates. The 1.1V operating voltage also caps headroom for any manual timing adjustments.

More in Model-Specific Memory Upgrades

Similar items