Small Form Factor IBM x3650 M3 8x 2.5" SAS / SATA Backplane

Discussion in 'Hardware' started by David, 19 Mar 2024.

  1. David

    David μoʍ ɼouმ qᴉq λon ƨbԍuq ϝʁλᴉuმ ϝo ʁԍɑq ϝμᴉƨ

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    I'm in the process of planning my NAS while I await arrival of my Jonsbo N2, and I've been looking at the IBM 69Y0650 x3650 M3 8x 2.5" SAS / SATA Backplane as a possible replacement for the 5x3.5" board in the N2. I plan on running an all SSD NAS, so converting 5 x 3.5" bays to 8 x 2.5" bays while keeping the smaller footprint of the N2 is very appealing.

    This is the proposed replacement board:
    [​IMG]

    The rear connectivity comprises a couple of SFF-8087 MiniSAS ports and a proprietary looking 16 pin power socket. I'm reasonably sure the smaller 10 pin socket is just a sideband port.

    [​IMG]

    I can get the board and power cable for under £40, and I might still have a couple of SFF-8087 to SATA fan-out cables, so it's a fairly cheap project; but I'm trying to find a pinout for the power cable, so I can mod it for power from an ATX spec PSU.

    Maybe my google-fu is just weak today. Any chance someone out there has this information?
     
    Last edited: 19 Mar 2024
  2. RedFlames

    RedFlames ...is not a Belgian football team

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  3. David

    David μoʍ ɼouმ qᴉq λon ƨbԍuq ϝʁλᴉuმ ϝo ʁԍɑq ϝμᴉƨ

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    RedFlames likes this.

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