DarkFlash DLH 21 Review 8

DarkFlash DLH 21 Review

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Introduction

DarkFlash Logo

I would like to thank DarkFlash for supplying the review sample.


DarkFlash is relatively new to the case market, having been established in 2016. They do offer quite a few clean, but solid ATX cases in interesting color choices, like pink or "NeoMint," a gentle light green variant. While their previous products stayed true to ATX and M-ATX form factors with a few open frame variants, like the Blade-X or Knight K1, the DLH 21 we are reviewing in this article represents the brand's first ITX enclosure. Also available in four colors, it offers a unique look and functional I/O, and even comes with subtle ARGB lighting built right into the base.

Specifications

DarkFlash DLH 21
Case Type:SFF chassis
Material:Steel and plastic
Weight:N/A
Slots:2
Drive Bays:1x Internal 3.5"
2x Internal 2.5"
Motherboard
Form Factors:
Mini-ITX
Dimensions:238.8 x 175 x 412 mm
Front Door/Cover:N/A
Front Fans:N/A
Rear Fans:N/A
Top Fans:1x 92 mm (included)
Bottom Fans:N/A
Side Fans:2x 120 mm (optional)
Front Radiator:N/A
Rear Radiator:N/A
Top Radiator:N/A
Bottom Radiator:N/A
Side Radiator:240 mm
I/O:1x USB 3.2 Gen2 Type-C
2x USB 3.0
1x Audio combo plug
Fan/LED Controller:ARGB Controller built-in
Compatibility:CPU Cooler: 134 mm
GPU: 320 mm
PSU: SFX, SFX-L

Packaging


The DarkFlash DLH 21 ships in a brown cardboard box with the same graphic on both larger sides, though one is inverted. A mention of which color you will receive and a table of specifications are present as well.


The chassis is held in place by two foam spacers which protect it from bumps during shipping. A cloth bag is used to keep away fingerprints and scratches—this is a great touch and really adds to the unboxing experience. Owners could then use the bag for other purposes.

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Nov 13th, 2026 07:47 PST change timezone

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