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Best full tower PC cases for E-ATX workstations

Researched by Deal.ai's shopping agent across stores on November 3, 2026. Prices below are today's.

Top pick: Fractal Design Define 7 XL — the most flexible E-ATX workstation case here. It swallows huge radiators and long GPUs, and its drive capacity (up to 18 HDD/SSDs plus five SSDs) is unmatched if you're storing big project files. It's the quiet, understated choice rather than a showpiece.

Who the others suit:

  • Corsair 7000D Airflow — best for air-cooled or hybrid builds; huge mesh front, easy cable routing, lots of 3.5" bays.
  • Lian Li O11D EVO XL — dual-chamber layout for triple-radiator custom loops and a clean glass showcase.
  • be quiet! Dark Base Pro 901 — near-silent builds with swappable panels and a reversible layout.
  • Thermaltake CTE C750 / CTE T500 — rotated layout that feeds cool air straight to the GPU; T500 is the budget-friendly entry.
  • Cooler Master Cosmos Alpha — premium, very heavy, E-ATX and EEB support for dual-socket workstation boards.
  • Thermaltake AX700 Super Tower — if you need a server-like stack of drives.
  • Antec C8 / C8 Wood — compact, affordable E-ATX if you don't need a monster chassis.

Skip the Antec 900 and View 71 unless you specifically want their older styling.

The picks

  1. Fractal Design
    Fractal Design Define 7 XL Full Tower Computer Case
    #1

    Fractal Design Define 7 XL Full Tower Computer Case

    • Drive Bay Count: 6 (HDD/SSD trays)
    • Drive Bay Sizes: 5.25"
    • Max Storage Drive Count: Up to 18 HDD/SSDs plus five SSDs
    • I / O Ports: 2 x USB 2.0
    • Expansion Slots: 12
    • Buttons: Reset, Power
    $239.99at AmazonObserved at 9:09 AMCompare 5 stores →
  2. Corsair
    Corsair 7000D Airflow
    #2

    Corsair 7000D Airflow

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  • Drive Bay Count: 6x 3.5in
  • Drive Bay Sizes: 3.5"
  • Max Storage Drive Count: 10
  • Mounting Locations: Under the PSU shroud
  • I / O Ports: 4x USB 3.0
  • Expansion Slots: 8 horizontal + 3 vertical
  • $269.99at AmazonObserved at 9:10 AMCompare 7 stores →
  • Lian Li
    Lian Li O11D EVO XL
    #3

    Lian Li O11D EVO XL

    • For Gaming: Yes
    • Color: Black
    $269.99at AmazonObserved at 9:10 AMCompare 2 stores →
  • be quiet!
    be quiet! Dark Base Pro 901
    #4

    be quiet! Dark Base Pro 901

    • Drive Bay Count: 6 (2.5" slots, scope of delivery)
    • Drive Bay Sizes: 5.25-inch
    • Max Storage Drive Count: 7 (3.5" slots)
    • Mounting Locations: Behind the motherboard
    • I / O Ports: Touch-sensitive I/O panel, USB 3.2 Type A (4)
    • Expansion Slots: 8
    $401.08at eBayObserved at 9:10 AMCompare 4 stores →
  • Thermaltake
    CTE C750 TG ARGB Snow Full Tower Chassis
    #5

    CTE C750 TG ARGB Snow Full Tower Chassis

    • Drive Bay Count: 7x 3.5"
    • Drive Bay Sizes: 2.5", 3.5"
    • Max Storage Drive Count: 7 (3.5")
    • Mounting Locations: Backside of the motherboard tray
    • Expansion Slots: 7
    • Buttons: Power buttons
    $179.99at Thermaltake USAObserved at 9:54 AMCompare 2 stores →
  • Thermaltake
    Thermaltake CTE T500 TG ARGB Snow E-ATX Full Tower
    #6

    Thermaltake CTE T500 TG ARGB Snow E-ATX Full Tower

    • Drive Bay Count: 6 x 2.5
    • Drive Bay Sizes: 3.5"
    • Max Storage Drive Count: 6 (2.5")
    • Mounting Locations: Bottom Mount (power supply)
    • Expansion Slots: 7
    • Buttons: Buttons
    $149.99at Thermaltake USAObserved at 9:10 AMCompare 3 stores →
  • Cooler Master
    Cooler Master Cosmos Alpha
    #7

    Cooler Master Cosmos Alpha

    • Case type: Full-Tower
    • Weight: Approx. 31 kg
    • Volume: 88 L (no panel / protrusions / feet)
    • Motherboard support: Mini-ITX / Micro-ATX / ATX / E-ATX / EEB
    • PCI expansion slots: 8
    • Drive bays: 2 or 2 (CPU Cooler under 165 mm)
    $476.08at AmazonObserved at 9:10 AMPrices and history →
  • Thermaltake
    Thermaltake AX700 Super Tower Chassis
    #8

    Thermaltake AX700 Super Tower Chassis

    • Drive Bay Count: Up to eighteen hard drives
    • Drive Bay Sizes: 5.25"
    • Max Storage Drive Count: Up to eighteen hard drives
    • Mounting Locations: Main chamber cages, Behind the M/B Tray
    • I / O Ports: 4 x USB 3.0
    • Expansion Slots: 10
    $219.99at Newegg.comObserved at 9:10 AMCompare 8 stores →
  • Antec
    Antec C8 Wood Full-Tower E-ATX PC Case
    #9

    Antec C8 Wood Full-Tower E-ATX PC Case

    • color: Multicolor
    • size: Full-Tower
    • Drive Bay Count: 4 (2.5")
    • Drive Bay Sizes: 3.5"
    • Max Storage Drive Count: 6
    • Mounting Locations: Right Side (for Drives)
    Prices and history →
  • Antec
    Antec C8 Full-Tower E-ATX PC Case
    #10

    Antec C8 Full-Tower E-ATX PC Case

    • color: Other
    • size: Full-Tower
    Prices and history →