Rackchoice 4U Rackmount Server Chassis 4x3.5 + Multi Bay Support

In this review the Rackchoice 4U rackmount server chassis is assessed as a budget-conscious, flexible case for small server builds and workstation racks. It stands out for offering a high drive density and broad motherboard compatibility in a compact 4U depth, making it a practical choice for users who need multiple 3.5in drives and the option for 2.5in SSDs. The single biggest reason to consider this chassis is its storage versatility combined with support for full-size GPUs and standard ATX power supplies.

Key Features

• Drive bay flexibility: Internal 4 x 3.5in plus an additional 3 x 3.5in or a 2 x 3.5in + 2 x 2.5in arrangement gives multiple configurations for HDDs and SSDs depending on the motherboard size.
• Motherboard compatibility: Supports EATX, ATX, microATX and Mini-ITX up to a 12in x 13in footprint so users can pick a board that matches their performance and expansion needs.
• Cooling setup: Ships with three 120mm front fans and two 80mm rear fans to provide front-to-rear airflow for drive bays and expansion cards.
• Front I/O convenience: Two front-access USB 3.0 ports (with USB 2.0 adaptor included) make connecting external drives and peripherals quick without opening the rack panel.
• Expansion and GPU space: Seven full-height expansion slots and space that supports large GPUs make the chassis suitable for GPU-accelerated tasks or add-in cards.
• Standard PSU fit: Uses a standard ATX PS-2 power supply which simplifies sourcing replacements or higher wattage units for power-hungry builds.

Who It's For

This chassis is suited for small office servers, home lab builders and workstation users who need a compact 4U solution with lots of drive capacity and the ability to use full-size GPUs. Its combination of drive bay options and broad motherboard support makes it a practical choice where storage density and expansion matter more than quiet operation.

Those seeking a near-silent chassis, deeper rack depth for exotic cooling, or a preinstalled enterprise power solution should look elsewhere; several users noted mixed feedback on fan noise and that the case depth is relatively short at 420mm, which can limit cooling or nonstandard components.

Pros & Cons

Pros

• High build quality and value for money for users needing multiple 3.5in drives.
• Flexible drive bay layouts support both HDD and SSD configurations.
• Includes multiple fans and front USB 3.0 ports for usability out of the box.
• Supports full-size GPUs and standard ATX power supplies for upgrades.

Cons

• Airflow and noise are mixed in user feedback; included fans can be noticeable under load.
• Shorter 420mm depth may be tight for some cooling setups or very long components.

Specifications

Case type	4U rackmount chassis
Drive bays	Internal 4 x 3.5in + 3 x 3.5in or 2 x 3.5in + 2 x 2.5in
Motherboard size	EATX, ATX, microATX, Mini-ITX (12in x 13in)
Cooling	3 x 120mm front pre-installed, 2 x 80mm rear
Front I/O	2 x front access USB 3.0 (with USB 2.0 adaptor)
Power supply	Standard ATX PS-2 PSU
Chassis depth	420mm (not including handle)

Our Verdict

The Rackchoice 4U chassis is a solid value for builders who prioritize storage capacity and expansion in a compact rack form factor; it supports multiple motherboard sizes, a range of drive layouts and full-size GPUs while keeping compatibility with standard ATX power supplies. For small servers and home labs that need many drives without a large footprint, it offers good functionality, though buyers who need the quietest system or extra chassis depth should consider other options.

Frequently Asked Questions

Can this chassis accept EATX motherboards?
Yes, it supports motherboard sizes up to 12in x 13in, including EATX, ATX, microATX and Mini-ITX.

How many drives can it hold?
Depending on configuration it can accommodate internal 4 x 3.5in plus 3 x 3.5in, or a mix of 2 x 3.5in and 2 x 2.5in in the secondary bay area.

Does it include fans and USB ports?
Yes, three 120mm front fans and two 80mm rear fans are pre-installed, and there are two front-access USB 3.0 ports with a 2.0 adaptor included.