1 products in this product line


    The YY-7901 is a 9L S.F.F. Slim Chassis and the YY-77xx 8L S.F.F. Slim Chassis are brother products.

    It aims to provide a relief solution towards the blooming demand for the small PC case. It simplifies the design, offering a durable housing for the hardware device. In the meanwhile, it preserves an incredible big clearance space to accommodate the standard CPU cooler. With the useful FPIO combination and the complete support for the security options most system builders like to use, it is a wonderful alternative for small Micro ATX case.

    Additional files



    • Astonishing 80mm clearance zone for the CPU cooler
    • Compatible with Micro-ATX MB and TFX PSU in 9L volume
    • Integrated rack, providing a robust holding for storage device
    • Maximized hardware compatibility
      Preserved DB9/DB25, padlock, Kensington lock, SD card reader sites
    • Straight forward assembling experience

    Special Design

    • SD Card Reader
    • Support Kensington Lock
    • Padlock
    • 4 Low Profile PCIE Slots
    • Standard TFX PSU
    • Wide-open clearance zone
    • Compatible with 1x3.5” and 1x2.5” Driver bay for SSD or HDD, and 1 Slim ODD
    • Tool-less PCIE Card Bracket
    • DB9, DB25 holes


    Model YY-7901
    Case Dimension (structure)
    Case Dimension (with bezel)
    341 W x 265 D x 92 H mm(8.3L)
    341 W x 290 D x 92 H mm(9.1L)
    Motherboard configuration Standard Micro ATX , mini ITX
    Drive configuration Slim ODD (T9.5mm,screw-less)
    1 x 3.5”HDD (screw) or 1 x 2.5”HDD(screw)
    1 x 2.5”HDD (screw)
    CPU Clearance Zone 80mm
    Expansion slots and ports Tool-less 4 low profile PCI slot
    Front panel control Power switch, Power LED, HDD LED
    USB 3.2 Gen1 x 2+USB 2.0 x 2+HD Audio
    Type-c*1(optional),SD Card Reader*1(optional)
    Materials Recyclable materials; RoHS compliant
    ABS, SGCC t0.6 Sheet Metal
    Emissions Designed to meet FCC class
    Color Black
    Power Supply (option) TFX
    Optional Kits Internal speaker with AMP board
    Q'ty :