x

*Want to search a historical price chart of products or the lowest ever price? Search for the name of the product or paste the product's link in the search box and hit enter. you will see the product's historical milestone prices, charts, and all current offers with Price History. Do check Amazon Price Tracker and Flipkart Price Tracker for price traking.

×

Select Products from Result

Lian Li B4-mATX 21.3L PC Case 358mm
13th Aug 2026, 08:48 PM

Lian Li B4-mATX 21.3L PC Case, 358mm GPU, 360 AIO, 2 Slim Fans, Black Mesh | 2 Pre-Installed 120mm Slim Top Fans, Supports 360mm AIO, 140mm ATX PSU, Horizontal /Vertical Setup, Small Form Factor (B4X)

Price may vary by location, shipping cost, and availability.
Lowest ever
$69.99

Buy @ amazon.com
Highest: $69.99
Average: $69.99
Lowest: $69.99

Price History Graph

Offer Price Prices
Lowest: -
Average: -
Highest: -

Price History Information

You can check the price history of Lian Li B4-mATX 21.3L PC Case, 358mm GPU, 360 AIO, 2 Slim Fans, Black Mesh | 2 Pre-Installed 120mm Slim Top Fans, Supports 360mm AIO, 140mm ATX PSU, Horizontal /Vertical Setup, Small Form Factor (B4X) here. This product's current Price in USA is $69.99. The average and highest prices are $69.99 and $69.99 respectively.

Lowest Ever Price $69.99
20th Jul 2026
Average Price $69.99
Based on 32 days price tracking
Highest Price $69.99
20th Jul 2026

Current Price in USA

Price $69.99

Product Information

Details

Product Name Lian Li B4-mATX 21.3L PC Case, 358mm GPU, 360 AIO, 2 Slim Fans, Black Mesh | 2 Pre-Installed 120mm Slim Top Fans, Supports 360mm AIO, 140mm ATX PSU, Horizontal /Vertical Setup, Small Form Factor (B4X)
Store Product Code B0GX5DM6KB
Store Name amazon.com
Brand Lian Li
Rating 8.4 / 10
Category Computer Cases
Model Name B4X
Color Black

Features

  • Compact Design: 21.3-liter small form factor case designed for mATX motherboards and GPUs up to 358mm.
  • Versatile Orientation: Can be positioned horizontally or vertically, adapting to your workspace style.
  • Enhanced Airflow: Features full mesh panels for optimal ventilation and cooling performance.
  • Pre-installed Fans: Comes with two slim 120mm non-RGB fans for immediate cooling out of the box.
  • Easy Cable Management: Rotatable AC inlet and ample rear clearance for tidy cable organization in both orientations.
  • Supports up to a 360mm AIO with SFX PSU and accommodates ATX PSU (max 140mm) for flexible fan and radiator options.

Images

×
Image of Lian Li B4-mATX 21.3L PC Case, 358mm GPU, 360 AIO, 2 Slim Fans, Black Mesh | 2 Pre-Installed 120mm Slim Top Fans, Supports 360mm AIO, 140mm ATX PSU, Horizontal /Vertical Setup, Small Form Factor (B4X)
Image of Lian Li B4-mATX 21.3L PC Case, 358mm GPU, 360 AIO, 2 Slim Fans, Black Mesh | 2 Pre-Installed 120mm Slim Top Fans, Supports 360mm AIO, 140mm ATX PSU, Horizontal /Vertical Setup, Small Form Factor (B4X)
Image of Lian Li B4-mATX 21.3L PC Case, 358mm GPU, 360 AIO, 2 Slim Fans, Black Mesh | 2 Pre-Installed 120mm Slim Top Fans, Supports 360mm AIO, 140mm ATX PSU, Horizontal /Vertical Setup, Small Form Factor (B4X)
Image of Lian Li B4-mATX 21.3L PC Case, 358mm GPU, 360 AIO, 2 Slim Fans, Black Mesh | 2 Pre-Installed 120mm Slim Top Fans, Supports 360mm AIO, 140mm ATX PSU, Horizontal /Vertical Setup, Small Form Factor (B4X)
Image of Lian Li B4-mATX 21.3L PC Case, 358mm GPU, 360 AIO, 2 Slim Fans, Black Mesh | 2 Pre-Installed 120mm Slim Top Fans, Supports 360mm AIO, 140mm ATX PSU, Horizontal /Vertical Setup, Small Form Factor (B4X)
Image of Lian Li B4-mATX 21.3L PC Case, 358mm GPU, 360 AIO, 2 Slim Fans, Black Mesh | 2 Pre-Installed 120mm Slim Top Fans, Supports 360mm AIO, 140mm ATX PSU, Horizontal /Vertical Setup, Small Form Factor (B4X)
Image of Lian Li B4-mATX 21.3L PC Case, 358mm GPU, 360 AIO, 2 Slim Fans, Black Mesh | 2 Pre-Installed 120mm Slim Top Fans, Supports 360mm AIO, 140mm ATX PSU, Horizontal /Vertical Setup, Small Form Factor (B4X)

Rating and Reviews

8.4 Based on 20 reviews

Lian Li B4-mATX 21.3L PC Case 358mm has 8.4 rating out of 10. This average rating is consist of 20 individual ratings. You can rate this product at product review page.

* Predictions is created on based of past prices and trends, it does not guarantee that it will happen. These are just prediction for theoretical information only.
Buy @ amazon.com