Rosewill Helium NAS Mid Tower vs Rosewill Mini-Tower 400W Power Supply (2026): Key Differences
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
When comparing rosewill helium NAS vs micro atx mini tower options, you face a choice between dedicated storage and compact form factors. Both cases are black and include PWM fans for cooling. The Rosewill Helium NAS is a mid-tower built for home servers with extensive drive support. The Rosewill Mini-Tower is a compact desktop case with a pre-installed 400W power supply. You need to decide if you prioritize massive storage capacity or a small footprint for your build.
Key differences
| Aspect | Rosewill Helium NAS Mid Tower | Rosewill Mini-Tower with 400W Power Supply |
|---|---|---|
| Motherboard Support | ATX, E-ATX | microATX, mini-ITX |
| Tower Size | Mid Tower | Mini Tower |
| Included Fans | 4x 140mm PWM | 1x 120mm PWM |
| Side Panel | Mesh | not listed |
| Power Supply | not listed | Pre-installed 400W |
| Radiator Support | 360mm | 280mm |
Which one should you choose?
Choose Rosewill Helium NAS Mid Tower if
- You need to install up to 13 hard drives for a home server or data storage project.
- You want to use a large ATX or E-ATX motherboard for maximum component compatibility.
- You prefer a mesh side panel for unrestricted airflow and better cooling performance.
Choose Rosewill Mini-Tower with 400W Power Supply if
- You require a pre-installed 400W power supply to simplify your initial build process.
- You need a compact case that fits easily in smaller spaces or on a desk.
- You are building a system with a microATX or mini-ITX motherboard for a smaller footprint.
Verdict: The Rosewill Helium NAS is the better choice for users focused on storage capacity and high airflow with its mesh panels and multiple fans. The Rosewill Mini-Tower suits those who need a compact, ready-to-use system with a pre-installed power supply. Your decision depends on whether you prioritize drive space or physical size.
NAS Storage vs Compact Form Factor
Motherboard Support
The Rosewill Helium NAS Mid Tower supports larger ATX and E-ATX motherboards, giving you flexibility for high-end builds. The Rosewill Mini-Tower with 400W Power Supply is limited to microATX and mini-ITX boards. If you plan to use a standard ATX motherboard, the Helium NAS is the only option. The Mini-Tower’s compact design restricts you to smaller form factors. This difference defines the maximum size of your core components.
Tower Size
You have a significant size choice here. The Helium NAS is a mid-tower measuring 24.4 inches wide, 12.7 inches high, and 25 inches long. It occupies more desk or floor space. The Mini-Tower is much smaller at 7.8 inches wide, 15.2 inches high, and 15.2 inches long. It fits easily on a desk. Your available space dictates this choice. The Mini-Tower wins for tight spots, while the Mid-Tower suits open areas.
Storage Capacity
The Helium NAS is built for massive data libraries, supporting up to ten 3.5-inch HDDs and three 2.5-inch SSDs. This makes it ideal for home servers or media centers. The Mini-Tower offers only one 3.5-inch bay and two 2.5-inch drive bays. It is sufficient for basic storage needs but cannot match the Helium NAS capacity. If you need extensive local storage, the Helium NAS provides the necessary drive slots.
Included Fans
Cooling starts with included hardware. The Helium NAS ships with four 140mm PWM fans, providing robust airflow for its larger mesh panels. The Mini-Tower includes only one 120mm PWM fan. While the Mini-Tower supports additional fans, it lacks the immediate cooling power of the Helium NAS. The larger 140mm fans in the Mid Tower also tend to move more air quietly. The Helium NAS offers superior out-of-the-box cooling performance.
Connectivity
Front panel connectivity differs between the two cases. The Helium NAS features a USB 3.2 Type-C port, allowing for fast data transfers with modern peripherals. The Mini-Tower provides USB 3.0 ports, which are slower for large file transfers. If you frequently move large files or use modern external drives, the Type-C port on the Helium NAS is more convenient. The Mini-Tower relies on older USB standards for front access.
Choose your ideal case profile
Home server builder needing massive storage
The Rosewill Helium NAS supports up to 10 3.5-inch HDDs and 3 SSDs. Its ATX and E-ATX compatibility allows for powerful motherboards. Four 140mm PWM fans ensure quiet cooling for heavy workloads. The USB 3.2 Type-C port offers fast data transfer for your media library.
Office user wanting a compact desktop
This mini-tower fits well in small spaces with its 7.8-inch width. It includes a pre-installed 400W power supply, saving you the hassle of buying one separately. The layout supports microATX or mini-ITX boards, making it ideal for basic office tasks or light gaming without taking up much desk space.
Builder prioritizing airflow and modern ports
All-mesh side panels provide unrestricted airflow to prevent thermal throttling. You get four 140mm fans included for silent operation. The front panel features a USB 3.2 Type-C port for convenient connection of modern peripherals. This case also supports 360mm radiators for advanced cooling solutions in your ATX build.
Budget-conscious starter with low power needs
The included 400W non-modular power supply is sufficient for low-power microATX systems. Its straightforward design simplifies cable management for beginners. The case supports up to one 3.5-inch drive and two 2.5-inch drives, which is enough for a basic operating system drive and light storage needs for everyday computing.
The products compared
Rosewill Helium NAS Mid Tower
Best for: Home servers requiring high drive capacity
- Motherboard Support
- ATX, E-ATX
- Case Type
- Mid Tower
- Side Panel
- Mesh
- Included Fans
- 4x 140mm PWM
- Radiator Support
- 360mm
- Connectivity
- Type-C
View on Amazon: Rosewill Helium NAS Mid Tower Affiliate link
The Rosewill Helium NAS is an ATX mid tower case designed for home servers and storage-heavy builds. It includes four 140mm PWM fans and features all-mesh side panels for strong airflow. The interior supports up to ten 3.5-inch HDDs and three 2.5-inch SSDs, making it ideal for large media libraries. It also accepts 360mm AIO radiators and offers a front USB 3.2 Type-C port for quick data access.
Pros
- Supports up to ten 3.5-inch hard drives for massive storage capacity
- Includes four 140mm PWM fans for efficient, quiet cooling
- All-mesh side panels maximize unrestricted airflow
- Accepts 360mm AIO radiators for high-performance cooling solutions
- Features a front USB 3.2 Type-C port for fast connectivity
Cons
- Lacks hot-swap drive bays found in the THOR NAS Pro variation
- No mention of included front USB 3.0 Type-A ports
- Mid tower form factor is larger than micro ATX options
Good fit if
- You need a dedicated case for a home media server or NAS
- You want to install up to ten 3.5-inch hard drives
- You prefer passive mesh airflow with included 140mm fans
Skip if
- You are building a compact micro ATX system
- You require hot-swappable drive bays for easy maintenance
- You need a case smaller than a mid tower
Verdict: Rosewill Helium NAS Mid Tower is a practical storage-focused chassis for users prioritizing drive capacity and airflow over compact size.
Rosewill Mini-Tower with 400W Power Supply
Best for: compact microATX builds with basic cooling
- Motherboard Support
- microATX, mini-ITX
- Case Type
- Mini Tower
- Included Fans
- 1x 120mm PWM
- Radiator Support
- 280mm
- Use
- Gaming
- Connectivity
- USB 3.0
View on Amazon: Rosewill Mini-Tower with 400W Power Supply Affiliate link
This Rosewill Micro ATX mini tower is a compact chassis designed for small form factor builds. It supports mini-ITX and microATX motherboards and includes a pre-installed 400W power supply. The case measures 7.8 x 15.2 x 15.2 inches and weighs 10 pounds. It comes with one 120mm PWM fan and supports up to a 280mm radiator. This unit suits users needing a space-saving desktop solution with basic cooling and storage options.
Pros
- Pre-installed 400W non-modular power supply
- Supports microATX and mini-ITX motherboards
- Includes one 120mm PWM rear fan
- Fits up to a 280mm front radiator
Cons
- Limited to microATX and mini-ITX boards
- Only one 3.5-inch drive bay included
- 7.8 inches width restricts large GPU length
Good fit if
- You need a compact desktop for microATX builds
- You want a pre-installed 400W power supply
- You prefer a simple steel and plastic chassis
Skip if
- You require ATX motherboard support
- You need multiple 3.5-inch drive bays
- You plan to use a large ATX graphics card
Verdict: Rosewill Micro ATX Mini Tower with 400W PSU is a compact option for users building small form factor PCs with microATX or mini-ITX boards. It includes a 400W power supply and supports a 280mm radiator, making it suitable for modest gaming or office systems.
Specifications side by side
| Spec | Rosewill Helium NAS Mid Tower | Rosewill Mini-Tower with 400W Power Supply |
|---|---|---|
| Motherboard Support | ATX, E-ATX | microATX, mini-ITX |
| Case Type | Mid Tower | Mini Tower |
| Side Panel | Mesh | not stated |
| Included Fans | 4x 140mm PWM | 1x 120mm PWM |
| Radiator Support | 360mm | 280mm |
| Tower Size | Mid-Tower | Mini-Tower |
| Fan Size | 140mm | 120mm |
| Use | not stated | Gaming |
| Connectivity | Type-C | USB 3.0 |
| Dimensions | 25 × 24.4 × 12.7 inches | 15.2 × 7.8 × 15.2 inches |
| Weight | not stated | 10 pounds |
| Size | E-ATX | Compact |
| Color | Black | Black |
| Model | Helium NAS | FBM-X5-400 |
Frequently asked questions
Does the Rosewill Helium NAS support E-ATX motherboards?
Yes, the Rosewill Helium NAS Mid Tower supports E-ATX motherboards. It also accommodates standard ATX boards. This makes it suitable for larger builds requiring extra expansion slots or features, unlike the smaller Mini-Tower option which is restricted to microATX and mini-ITX formats.
What is the maximum radiator size for the Mini-Tower?
The Rosewill Mini-Tower with 400W Power Supply supports up to a 280mm radiator. This allows for effective liquid cooling in a compact chassis. The Helium NAS focuses on air cooling with four 140mm fans instead, prioritizing drive capacity over liquid cooling options.
Which case includes a power supply unit?
The Rosewill Mini-Tower with 400W Power Supply includes a 400W PSU. The Helium NAS Mid Tower does not list an included power supply. You must purchase a separate unit for the Helium build, while the Mini-Tower is ready to use out of the box.
How many fans come with each case?
The Helium NAS includes four 140mm PWM fans for robust airflow. The Mini-Tower comes with a single 120mm fan. The larger fan count in the Helium helps manage heat from multiple drives, while the Mini-Tower relies on its included unit for basic cooling needs.
What connectivity ports are available on the front?
The Rosewill Helium NAS features a Type-C port on the front panel. The Mini-Tower provides USB 3.0 connectivity. Both options offer modern connection standards, though the Helium’s Type-C support may benefit users with newer peripherals requiring faster data transfer speeds.
Which case is better for a home server?
The Rosewill Helium NAS is better for home servers. It is designed for high drive capacity and airflow. The Mini-Tower is intended for compact microATX builds with basic cooling. The Helium’s larger size and fan configuration suit the continuous operation of server workloads.
What are the external dimensions of the Mini-Tower?
The Mini-Tower measures 7.8 inches in width, 15.2 inches in height, and 15.2 inches in length. It weighs 10 pounds. These compact dimensions make it ideal for tight spaces, whereas the Helium NAS is significantly larger at 24.4 inches wide.
Can I use a microATX board in the Helium?
Yes, the Helium NAS supports ATX motherboards, which includes microATX compatibility. However, it is optimized for larger ATX and E-ATX boards. The Mini-Tower is specifically limited to microATX and mini-ITX, making it the more space-efficient choice for those smaller form factors.