ASUS A21 Case

ASUS A21 BLACK micro-ATX support 360mm radiators 90DC00H0-B09000

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Broad Compatibility: A21 supports up to 360 mm radiators, graphics cards up to 380 mm in length and CPU air coolers up to 165 mm in height.
Capable Cooling: The front-panel mesh is 40% porous to maximize the balance of airflow, dust filtering and RGB visibility.
Ample cable management: The A21 provides a compartment behind the motherboard that is 33 mm wide to keep your wiring tucked away and tidy.

Specifications Overview

Model	90DC00H0-B09000 90DC00H0-B09010
Release Date	July 2023 * First availability for purchase, it may not correspond to the actual market launch date.
Type	MicroATX Mini Tower
Color	Black
Includes Power Supply	No
External 5.25" Drive Bays	0
External 3.5" Drive Bays	0
Internal 2.5" Drive Bays	1
Internal 3.5" Drive Bays	2
Motherboard Compatibility	Micro ATX, Mini ITX
Front Panel I/O	USB 3.2 Gen 1 Type A
Dimensions	465 mm x 220 mm x 430 mm
Volume	44 L
Max VGA length allowance	380 mm
Expansion Slots	5
Back Connect Support	Yes

	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