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Head to head · 2 products

32GB DDR4 2666MHz RDIMM 2Rx4 ECC 1.2V vs 32GB DDR4 2133MHz

Verified specs side by side. The green tick marks the better value on each measurable row.

Comparing 2 products
32GB DDR4 2666MHz RDIMM 2Rx4 ECC 1.2V
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32GB DDR4 2133MHz
32GB DDR4 2133MHz—Score pending
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The short verdict

Scores pending

We haven’t scored these yet. Use the measured differences and full specs below.

32GB DDR4 2666MHz RDIMM 2Rx4 ECC 1.2V
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32GB DDR4 2133MHz
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32GB DDR4 2666MHz RDIMM 2Rx4 ECC 1.2V
    Full specs →
    32GB DDR4 2133MHz
      Check price at eBay →
      At a glance

      Key differences

      Measured differences only. Ties and tiny gaps are left out.
      Full specs

      Side-by-side specifications

      Performance
      RAM
      32 GB
      32 GB
      Storage (max)
      32 GB
      32 GB
      Ram Type
      DDR4
      DDR4
      Audio
      Compliance certificates
      RoHS
      RoHS
      General10 differences
      Speed
      2666 MHz
      2133 MHz
      Component for
      NAS/storage server
      PC/Server
      Manufacturer Sku
      M393A4K40BB2-CTD7Y-O
      M393A4K40BB0-CPB
      Memory Capacity Gb
      32
      32
      Memory clock speed
      2666 MHz
      2133 MHz
      Memory Form Factor
      RDIMM
      288-pin DIMM
      Memory Speed Mt S
      2666
      2133
      Memory Voltage
      1.2V
      1.2 V
      Model Number
      32GB DDR4 2666MHz RDIMM 2Rx4 ECC 1.2V
      32GB DDR4 2133MHz
      Released
      January 1, 2021
      January 1, 2015
      Release Year
      2021
      2015
      Where to buy
      eBayCheck price

      Specs verified against manufacturer data. Prices in USD before tax; we may earn a commission from qualifying purchases.

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