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Head to head · 2 products

16GB DDR4 RDIMM (2Rx4) vs 8GB DDR4-2666MHz Z1

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

Comparing 2 products
16GB DDR4 RDIMM (2Rx4)
16GB DDR4 RDIMM (2Rx4)—Score pending
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8GB DDR4-2666MHz Z1
8GB DDR4-2666MHz Z1—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.

16GB DDR4 RDIMM (2Rx4)
—
8GB DDR4-2666MHz Z1
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Choose the 16GB DDR4 RDIMM (2Rx4) if
  • More RAM for multitasking (16 vs 8 GB)
Full specs →
8GB DDR4-2666MHz Z1
    Full specs →
    At a glance

    Key differences

    Measured differences only. Ties and tiny gaps are left out.
    Why pick the16GB DDR4 RDIMM (2Rx4)1 win
    +100%More RAM for multitasking16 vs 8 GB
    Check priceNo store price yet
    Why pick the8GB DDR4-2666MHz Z10 wins
    No measured advantages in our spec data. Check the full specs below.
    Check priceNo store price yet
    Full specs

    Side-by-side specifications

    Performance2 differences
    RAM
    16 GB
    8 GB
    Storage (max)
    16 GB
    8 GB
    Ram Type
    DDR4
    DDR4
    Design5 differences
    Weight
    24 g
    —
    Colors
    Green
    Red
    Depth
    4 mm
    7.5 mm
    Height
    32 mm
    42.6 mm
    Width
    134 mm
    133.2 mm
    General11 differences
    Speed
    2133 MHz
    2666 MHz
    CAS latency
    15
    16
    Component for
    PC/Server
    PC/Server
    ECC
    Yes
    No
    Manufacturer Sku
    2PCM-03T6781
    AX4U2666W8G16-DRZ
    Memory Capacity Gb
    16
    8
    Memory clock speed
    2133 MHz
    2666 MHz
    Memory Form Factor
    RDIMM
    240-pin DIMM
    Memory layout (modules x size)
    1 x 16 GB
    1 x 8 GB
    Model Number
    16GB DDR4 RDIMM (2Rx4)
    8GB DDR4-2666MHz Z1
    Released
    January 1, 2016
    January 1, 2015
    Release Year
    2016
    2015
    Where to buy

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

    Community

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