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Green circuit board with black memory chips, no heat spreader

NEMIX RAM

NEMIX RAM 16GB DDR4 2933MHz CL21 1Rx8 1.2V 288-Pin UDIMM for Supermicro X12SCQ/X12SCZ-QF

SKU CH-NG4B-KZS3Z

16 GB DDR4 2933 MHz CL21 1Rx8 1.2 V 288-pin UDIMM built for Supermicro X12SCQ and X12SCZ-QF motherboards

  • Total capacity16 GB
  • Rated speedDDR4 2933 (PC4 23400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL21
  • Rated voltage1.2 V
  • Buffer typeUnbuffered

Size 16GB

  • Exact-match upgrade for Supermicro X12SCQ/Z-QF motherboards
  • 16 GB DDR4-2933 CL21 runs at rated speed without tuning
  • 1Rx8 Non-ECC unbuffered UDIMM fits desktop memory slots
  • Major OEM chips from Samsung, Micron or Hynix tested for stability
  • 2 V standard voltage keeps power draw low

Targeted System Upgrade

This 16 GB DDR4 module is built for the Supermicro X12SCQ and X12SCZ-QF motherboards. It matches the board's required 288-pin UDIMM form factor, Non-ECC operation and 1.2 V voltage so the memory controller recognises the full capacity at the rated 2933 MT/s speed.

Straightforward Installation

The stick inserts into a standard DDR4 UDIMM slot and needs no extra configuration beyond the motherboard's normal population rules. Problems usually arise when builders mix ranks or voltages, or when the DIMM order in the manual is ignored, so follow the board's guide exactly.

Critical Speed and Timing Match

The single specification that decides fitment is the DDR4-2933 (PC4-23400) rating with CL21 latency and 1Rx8 organisation. If your system requires a different speed, timing or rank structure this module will not operate correctly.

How it compares

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

Price $103.99
Cheaper than about 67% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $6.50 per GB
Cheaper than about 61% 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 Memory
Model nameDDR4 Non-ECC Unbuffered UDIMM Memory
Part numberMD23400-618K1
Total capacity16 GB
Product type288-Pin DDR4 UDIMM
Performance
Rated speedDDR4 2933 (PC4 23400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL21
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsSupermicro
In the box
Included items16 GB DDR4 2933 MHz PC4-23400 1Rx8 1.2 V 288-PIN Non-ECC UDIMM KIT

Other versions of this model

5 more in the same range

Questions about this item

How can I verify the module is running at 2933 MHz and CL21 after installation?

Enter the BIOS or use a tool like CPU-Z; the memory tab should show 2933 MT/s and CAS latency 21 at 1.20 V.

What does the package contain and do I need anything else to install it?

The box includes one 16 GB 288-pin DDR4 UDIMM; no extra cables, brackets or heat spreaders are required.

My board has four slots — should I buy a single 16 GB stick or a 2 x 8 GB kit?

This listing is a single 16 GB 1Rx8 module; add a second identical stick later if you want dual-channel bandwidth.

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