# Cooler Master MasterBox MB511 ATX Mid-Tower with Front Mesh Ventilation, Front Side Red Accent Mesh Intake & Transparent Acrylic Side Panel , Black — resale value

Source: JunkPal price guide — https://junkpal.ai/products/cooler-master-masterbox-mb511-atx-mid-tower-with-front-mesh-ventilatio-b0bvgr63mm

**Cooler Master MasterBox MB511 ATX Mid-Tower with Front Mesh Ventilation, Front Side Red Accent Mesh Intake & Transparent Acrylic Side Panel , Black** sells for about **$84.99** new or sealed, based on real closed eBay sales.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/cooler-master-masterbox-mb511-atx-mid-tower-with-front-mesh-ventilatio-b0bvgr63mm

## Value

| Condition | Value (USD) |
| --- | --- |
| New / Sealed | $84.99 |

Values are medians of real closed eBay sales, updated 2026-07-22. They are estimates for reference, not offers or appraisals — condition, completeness and edition move them a lot, so compare against the sold listings before pricing anything.

## Check the market

- [Sold listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DCooler%2520Master%2520MasterBox%2520MB511%2520ATX%2520mid%2520tower%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-sold&p=md-sold) — the closed sales these medians are computed from
- [Live listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DCooler%2520Master%2520MasterBox%2520MB511%2520ATX%2520mid%2520tower%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-live&p=md-live) — what sellers are asking right now

eBay links are affiliate links: JunkPal may earn a commission at no cost to you.

## Details

| Field | Value |
| --- | --- |
| Brand | Cooler Master |
| Category | Computers |

## About

The Cooler Master MasterBox MB511 is an ATX Mid-Tower computer case featuring front mesh ventilation and a transparent acrylic side panel. It is designed for PC builders and enthusiasts looking for a stylish and functional enclosure.

Its resale value is influenced by the unit's overall condition, whether it is complete with all original components, and any specific edition variations.

## FAQ

**What form factor is the MasterBox MB511?**

The MasterBox MB511 is an ATX Mid-Tower case.

**What factors affect the resale value of this case?**

Resale value is determined by the item's condition, completeness, and edition.

**Is this case suitable for standard PC builds?**

Yes, it is an ATX Mid-Tower case designed for computer builds.

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Full price guide: https://junkpal.ai/products/cooler-master-masterbox-mb511-atx-mid-tower-with-front-mesh-ventilatio-b0bvgr63mm
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-07-22, based on real sold listings (junkpal.ai)"