Jonsbo U4 B Case

Jonsbo U4 Black Compact ATX Mid Tower

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Metallic, streamlined, and classy; the design style gives it a sense of industrial simplicity with purpose. By combining aluminum for the exterior and steel for the interior, it forms a perfect union of structural integrity and elegance. The U4 also displays a tempered glass panel for the left side plate.

Specifications Overview

Model	U4 B
Type	ATX Mid Tower
Color	Black
Includes Power Supply	No
External 5.25" Drive Bays	0
External 3.5" Drive Bays	0
Internal 2.5" Drive Bays	2
Internal 3.5" Drive Bays	2
Motherboard Compatibility	ATX, Micro ATX, Mini ITX
Front Panel I/O	USB 3.2 Gen 1 Type A
Dimensions	340 mm x 205 mm x 428 mm
Volume	30 L
Max VGA length allowance	305 mm
Expansion Slots	7
Back Connect Support	No

	Old Name	Current Name	Branding	Data Speed	Port
USB 2.0	USB 2.0	USB 2.0	Hi-Speed USB	480 Mbit/s	diverse
USB 3.0	USB 3.1 Gen 1	USB 3.2 Gen 1x1	SuperSpeed USB	5 Gbit/s	diverse
USB 3.1	USB 3.1 Gen 2	USB 3.2 Gen 2x1	SuperSpeed USB 10Gbps	10 Gbit/s	diverse
USB 3.2	USB 3.2 Gen 2x2	USB 4.0 Gen 2x2	USB4 20Gbps	20 Gbit/s	only USB-C
USB4	USB 4.0 Gen 3x2	USB4 1.0	USB4 40Gbps	40 Gbit/s	only USB-C
USB4v2	USB 4.0 Gen 4	USB4 2.0	USB4 80Gbps	80-120 Gbit/s	only USB-C