Mini-STX

Mini-STX (aka Mini Socket Technology EXtended, Intel 5x5) is a computer motherboard form factor that supports upgradable processors. The motherboard size is 147×140 mm, which is between Intel's NUC (next unit of computing) motherboards and Mini-ITX boards that are popular in small form-factor builds.

ASRock extended it by two inches to add an MXM slot creating Micro-STX.

Comparisons with NUC

When compared with NUC, the Mini-STX form factor:

  • Has 3/2 the motherboard area of a NUC.
  • Has processor sockets, allowing for users to upgrade or replace processors.
  • Offers the possibility of dedicated GPUs via MXM (on some models produced by ASRock).
  • May have more I/O options due to the larger space available on the back of the board.

Comparisons with Mini-ITX

When compared with Mini-ITX, the Mini-STX form factor:

  • Has a motherboard area 3/4 the size of Mini-ITX.
  • Is usually limited to SO-DIMMs, rather than full-size DIMMs.
  • Lacks a full-size PCIe expansion slot, limiting users to MXM GPUs or less powerful, integrated GPUs and APUs.
  • May have less I/O options due to the reduced space available on the back of the board.
  • May use a 2-in-1 SATA+power cable instead of separate SATA and power cables.
  • Uses a DC power connection instead of a 24 pin power cable.

References


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