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Rosewill CULLINAN MX-Blue ATX Mid-Tower Gaming PC Computer Case, Supports 360mm Liquid Coolers, 4 Blue LED Fans, Max Airflow with PSU Shround Fan Mount, Tempered Glass, Fan Speed Control

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In stock. Limit 5 per customer.
Ships from United States.
Fees for brokerage and duty included in price.
  • Cullinan MX
  • Cullinan PX
  • Cullinan V500
  • Blue LED Fan
  • Red LED Fan
  • RGB LED Fan
  • Cullinan MX-Red
  • Cullinan MX-Blue
  • Cullinan PX RGB
  • Cullinan V500 RGB
  • Cullinan V500 Blue
  • Tempered Glass Display: See every component of your battle station through the 3-sided sleek, durable tempered glass, giving your build style and transparency.
  • Superior Airflow Features: Customizable PSU shroud basement supports 3 x 80mm fans with vents to promote proper airflow and heat dissipation.
  • Icy Illumination: Stay cool with 4 pre-installed 120mm blue LED cooling fans and optional 2 x 140mm fans on top or up to 6 x 120mm case fans total.
  • Optional Cooler Support: Maximize your cooling potential with optional 360mm radiator liquid cooling support in front, or optional 280mm radiator clearance on top and optional 170mm tall CPU cooler.
Rosewill CULLINAN MX-Blue  case facing to the right with 4 blue RGB fans and text that reads: The Uncut Diamond

Designed with three angles of sturdy tempered glass in front and on both side panels.

Rosewill CULLINAN MX-Blue case facing forward with the side tempered glass coming out

Supports various gaming hardware configurations while maintaining cool system temperatures with four pre-installed 120mm blue LED case fans.

Rosewill CULLINAN MX-Blue case facing to the right with its side panel off and graphics that show the size of motherboard, CPU, graphics card, PSU, SSD and fans that can be installed

Mount an optional graphics card vertically, up to 360mm long, then show off its aesthetics with an optional riser card.

Closeup of a 3-fan graphics card installed in the Rosewill CULLINAN MX-Blue with text that reads: Riser Card Not Included
Dust Filter Peeling off the top of the Rosewill CULLINAN MX-Blue

The magnetic dust filter on top of the case protectively stays in place to minimize particle buildup and is easy to remove for cleaning.

Dust filter peeling off the front of the Rosewill CULLINAN MX-Blue

A Large magnetic dust filter in front shields case fans and maintains particle-free, constant airflow.

PSU dust filter sliding out from the bottom of the Rosewill CULLINAN MX-Blue

The removable dust filter below the PSU mount makes it easy to clean out any excess dust from the bottom of the computer case.

Ventilation holes at the bottom of the Rosewill CULLINAN MX-Blue

Improve airflow and clear away heat from the PSU-shroud basement via the built-in vents—and also with the option to add three optional 80mm fans.

Shot of the SSD and HDD bays on the Rosewill CULLINAN MX-Blue

Install either two HDD or SSD drives on the cage, plus an additional two SSD with the included drive slots.

Closeup shot of the storage bays at the bottom of the Rosewill CULLINAN MX-Blue

Install up to two additional HDD or SSD drives on top of the PSU shroud.

Warranty & Returns

Warranty, Returns, And Additional Information


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details

Return Policies

    We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1, 2022 and December 25, 2022 you will have until January 31, 2023 to return your product. There's nothing additional that you have to do!
  • Return for refund until: January 31, 2023
  • Return for replacement until: January 31, 2023
  • This item is covered by's Extended Holiday Return Policy. Read full return policy for details.