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Two green DDR4 ECC UDIMM sticks, no heat spreaders, 288-pin gold contacts, 64GB kit

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR4 3200 CL22 ECC UDIMM SuperMicro B3ST1-CPU-001 memory upgrade

SKU CH-HA0X-NQZ00

A 64GB dual-channel kit of DDR4 3200 ECC UDIMM memory built for SuperMicro B3ST1-CPU-001 systems

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 64 GB total capacity for demanding server workloads
  • DDR4 3200 speed delivers high data throughput
  • ECC protection detects and corrects memory errors
  • 2 V operation reduces power draw and heat
  • 288-pin UDIMM form factor fits SuperMicro B3ST1-CPU-001

Capacity and configuration

This NEMIX RAM kit provides 64 GB of DDR4 ECC unbuffered memory in a matched pair of 32 GB modules. It is built for Supermicro systems that require 288-pin UDIMMs with error-correcting code and 2Rx8 organisation.

Who this suits and who it does not

The kit suits administrators upgrading compatible Supermicro servers or workstations that accept unbuffered ECC UDIMMs at 3200 MT/s. It does not suit builders who need registered or load-reduced DIMMs, systems limited to lower-density modules, or platforms that require non-ECC memory.

Deciding specification

The modules run at DDR4 3200 (PC4-25600) with CL22 latency at 1.20 V. If the target motherboard does not support this speed, voltage or 2Rx8 unbuffered ECC organisation, the memory will not operate as intended.

How it compares

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

Price $430.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $6.73 per GB
Cheaper than about 59% 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 lineSuperMicro Server/Workstation Compatible Series Memory
Model nameSuperMicro DDR4 3200 MHz ECC Unbuffered UDIMM
Part numberME25600-328K2
Total capacity64 GB (2 × 32 GB)
Product type288-Pin DDR4 ECC UDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL22
ECC supportYes
Buffer typeUnbuffered
Heat spreaderNo
Memory rank2Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsSupermicro
In the box
Included items64 GB (2 × 32 GB) DDR4 3200 MHz PC4-25600 2Rx8 1.2 V CL22 288-PIN ECC Unbuffered UDIMM KIT

Questions about this item

Will these 288-pin DDR4 UDIMMs fit the SuperMicro B3ST1-CPU-001 motherboard?

Yes, the kit is built as a direct upgrade for the SuperMicro B3ST1-CPU-001 using the standard 288-pin DDR4 UDIMM form factor.

What is the correct way to seat the 2Rx8 modules so the ECC function works?

Align the notch on each 288-pin module with the slot key, press straight down until both side clips click, then verify in BIOS that 64 GB at 3200 MT/s with ECC active is reported.

Do the Samsung, Micron or Hynix chips on these 1.20 V modules need any periodic cleaning or replacement?

No scheduled maintenance is required; the modules are solid-state and rated for continuous operation at 1.20 V without user-serviceable parts.

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