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Two green DDR4 ECC RDIMM sticks, 288-pin, silver heatsinks

NEMIX RAM

NEMIX RAM 64GB (2 x 32GB) DDR4 2933MHz ECC RDIMM server RAM

SKU CH-AW8M-44V9A

A 64 GB dual-channel DDR4 server kit with ECC, registered buffering, 2933 MHz speed and 1.2 V operation

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR4 2933 (PC4 23400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latency21
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • 64 GB total capacity from two 32 GB modules
  • ECC and registered design protects data integrity in servers
  • DDR4 2933 MHz speed rated at PC4-23400 bandwidth
  • Low 1.2 V voltage reduces power draw per module
  • 288-pin RDIMM form factor fits standard server slots

Capacity and purpose

This kit provides 64GB of DDR4 server memory in a matched pair of 32GB modules. It is designed for registered DIMM slots that require ECC error correction and 2Rx8 organisation. The modules are not compatible with standard desktop or laptop platforms that use unbuffered memory.

Thermals and power

Each module operates at the standard DDR4 voltage of 1.2V, which helps limit heat output in densely populated server chassis. No active cooling is included or specified; the registered design and low voltage support stable operation within typical server airflow envelopes.

Sustained load behaviour

The CAS latency of 21 cycles and PC4-23400 rating define the timing envelope for continuous data throughput. Under sustained workloads the registered buffer and ECC circuitry maintain signal integrity and error detection across all 288 pins without additional cooling requirements.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $530.99
Pricier than about 71% of the 6,523 comparable items (median $188.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 70% of the 6,064 comparable items (median 32 GB).
CAS latency 21
Lower than about 90% of the 439 comparable items (median 40).
Price per GB $8.30 per GB
Pricier than about 59% of the 6,064 comparable items (median $7.25 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
Model namePart#: MR23400-328K2-SM-SYS-5019P-M
Part numberPart#: MR23400-328K2-SM-SYS-5019P-M
Total capacity64 GB (2 × 32 GB)
Performance
Rated speedDDR4 2933 (PC4 23400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latency21
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Power
Rated voltage1.2 V

Questions about this item

How do I install the 288-pin DDR4 RDIMM modules and what step is often missed?

Align the notch on each 288-pin module with the slot key, press down evenly until both retention clips click, and ensure the server BIOS recognises the registered ECC configuration at 2933 MHz.

What maintenance or replacement will the 2Rx8 ECC RDIMM kit need over time?

The modules have no moving parts; run periodic memory diagnostics and replace any stick that logs uncorrectable ECC errors or fails a stress test.

What limit appears first when the 64 GB kit runs sustained workloads at 1.2 V?

Thermal throttling can occur if chassis airflow does not keep the registered DIMMs within their operating temperature range during continuous high utilisation.

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