SGPC 5L Portable Mini-ITX Case vs SGPC 4.1L Mini-ITX Case (2026): Key Differences
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You are comparing the sgpc k39 5l mini itx vs k29 4 1l mini itx. Both are compact Mini-ITX cases built from 1.5mm steel with ventilated panels and Flex-1U PSU support. The main difference is their volume and intended use. The K39 offers 5.1L for small gaming builds with GPU support. The K29 provides 4.1L for HTPC and office setups with low-profile cooling. You need to choose based on your hardware size needs.
Key differences
| Aspect | SGPC 5L Portable Mini-ITX Case | SGPC 4.1L Mini-ITX Case |
|---|---|---|
| Case Volume | 5.1L | 4.1L |
| Max GPU Length | 185mm | not listed |
| CPU Cooler Support | not listed | Up to 56mm height |
| Dimensions (WxHxD) | 4.7x8.7x7.7 inches | 3x9.8x8.9 inches |
| Primary Use | Gaming | HTPC and Office |
Which one should you choose?
Choose SGPC 5L Portable Mini-ITX Case if
- You need to install a discrete graphics card up to 185mm long.
- You want a slightly larger 5.1L volume for better airflow in gaming builds.
- You prefer a wider chassis that fits on small desks without being too narrow.
Choose SGPC 4.1L Mini-ITX Case if
- You are building a silent HTPC or office PC with low-profile CPU coolers.
- You need the smallest possible footprint with a 3-inch width.
- You prioritize extreme compactness over discrete GPU support.
Verdict: The K39 is the better choice if you plan to use a small discrete graphics card. The K29 is ideal for silent office or media builds where GPU space is not required. Your decision depends on whether you need gaming hardware support.
K39 vs K29 Case Comparison
Case volume and footprint
The SGPC K39 offers 5.1L of internal volume, providing a slightly larger chassis than the K29’s 4.1L. This extra space in the K39 allows for more flexible component placement and better airflow management in a dense layout. The K29 prioritizes a smaller footprint, making it ideal for tight desks or home theater setups where every inch counts. If you need a truly ultra-compact build for media centers, the K29’s smaller volume is a clear advantage. For builders who want a bit more breathing room for cables and components, the K39’s 5.1L provides a more practical interior. Both cases remain portable, but the volume difference dictates their primary use cases.
Graphics card compatibility
The K39 supports graphics cards up to 185mm in length and 43mm in thickness when used with a compatible dual reverse riser cable. This makes it suitable for compact gaming builds that require discrete GPUs. The K29 data does not list specific GPU length support, which suggests it is designed for low-profile or integrated graphics solutions typical in office and HTPC builds. If you plan to install a dedicated gaming GPU, the K39 is the only viable option here. The K29 is better suited for systems that do not require high-performance discrete graphics. This distinction is critical for anyone planning a gaming rig versus a productivity or media center PC.
CPU cooler clearance
The K29 explicitly supports CPU air coolers up to 56mm in height. This specification is crucial for HTPC and office builds where low-profile cooling is mandatory to fit within the tight 4.1L volume. The K39 data does not specify a maximum CPU cooler height, which leaves uncertainty for builders who need precise clearance measurements. If you are building a compact system with an air-cooled CPU, the K29 provides a clear specification to work with. The K39 may support larger coolers, but without stated limits, you cannot be certain. For guaranteed compatibility with low-profile coolers, the K29 has the edge.
Front I/O connectivity
The K39 features a front I/O panel equipped with USB 3.2 and Type-C ports, offering high-speed data transfer options for modern peripherals. The K29 also includes front USB and Type-C access for connecting external drives and office peripherals. Both cases provide essential connectivity for daily use. However, the K39 specifically highlights the USB 3.2 standard, which may offer slightly better performance for large file transfers compared to standard USB 3.0. The K29’s connectivity is sufficient for office and media tasks but lacks the specific high-speed specification detail. If you prioritize high-speed transfer speeds, the K39’s USB 3.2 support is a notable benefit.
Storage expansion options
The K39 includes two 2.5-inch SSD/HDD bays with anti-vibration mounts, allowing for stable and expandable internal storage without additional noise. This is useful for builders who need local storage for games or media files. The K29 data does not mention internal storage bays, which suggests it may rely on external storage or motherboard M.2 slots for storage needs. If you require internal drive bays for 2.5-inch drives, the K39 is the superior choice. The K29 is likely designed for minimalism, where external drives or M.2 SSDs are preferred. For users who want built-in storage options, the K39 provides clear advantages.
Which SGPC Mini-ITX Case Fits You
Compact gaming builders needing GPU space
The K39 supports GPUs up to 185mm long and 43mm thick with a riser cable. Its 5.1L volume and 7.7-inch length provide the necessary clearance for small form factor gaming components. This makes it the practical choice for users prioritizing graphics performance within a portable chassis.
HTPC and office setup enthusiasts
The K29’s 4.1L footprint is ideal for tight desks or media centers. It supports CPU air coolers up to 56mm, ensuring compatibility with low-profile cooling solutions. Its 8.9-inch length and 9.8-inch height offer a vertical design that saves horizontal space while maintaining 1.5mm steel durability.
Users wanting versatile storage and ports
The K39 includes two 2.5-inch SSD/HDD bays with anti-vibration mounts for stable storage expansion. It also features front USB 3.2 and Type-C ports for high-speed data transfers. These added connectivity and storage options make it better suited for builders who need more I/O flexibility than the K29 offers.
The products compared
SGPC 5L Portable Mini-ITX Case
Best for: experienced builders needing portable Mini-ITX gaming
- Motherboard Support
- Mini ITX
- Case Type
- SFF
- Side Panel
- Ventilated Steel
- Max GPU Length
- 185mm
- Case Volume
- 5.1L
- Tower Size
- Small Form Factor
View on Amazon: SGPC 5L Portable Mini-ITX Case Affiliate link
The SGPC K39 is a 5.1L portable Mini-ITX case built for small form factor gaming. It supports GPUs up to 185mm long with a riser cable and uses Flex-1U power supplies. The ventilated steel panels aid airflow in the compact 4.7 x 7.7 x 8.7 inch chassis. It includes USB 3.2 and Type-C ports plus two 2.5-inch drive bays. This case suits builders prioritizing portability and dense layouts.
Pros
- True 5.1L volume fits backpacks and small desks
- Supports GPUs up to 185mm with dual reverse riser cable
- Ventilated 1.5mm steel side panels for airflow
- Front I/O includes USB 3.2 and Type-C ports
Cons
- Requires a compatible riser cable for GPU installation
- Not recommended for novice builders
- Limited to Flex-1U power supplies
Good fit if
- You need a portable SFF case for gaming
- You have experience building Mini-ITX systems
- You want USB-C connectivity on the front panel
Skip if
- You are a first-time PC builder
- You require a standard ATX power supply
- You need a GPU longer than 185mm
Verdict: The SGPC K39 5L Mini-ITX Case is a compact, portable option for experienced builders who need a small gaming chassis with modern front I/O and flexible GPU support via riser cable.
SGPC 4.1L Mini-ITX Case
Best for: Compact office and HTPC builds
- Motherboard Support
- Mini ITX
- Case Type
- HTPC
- Case Volume
- 4.1L
- Dimensions
- 8.9 × 3 × 9.8 inches
- Weight
- 4.21 pounds
View on Amazon: SGPC 4.1L Mini-ITX Case Affiliate link
The SGPC K29 is a 4.1L Mini-ITX case designed for small desks and home theater setups. It features a 1.5mm steel frame and supports low-profile CPU coolers up to 56mm. The front panel includes USB and Type-C ports for easy peripheral access. This compact chassis fits standard Mini-ITX motherboards and Flex-1U power supplies, making it suitable for office builds and media centers where a small footprint is priority.
Pros
- 4.1L ultra-compact volume for small spaces
- Supports CPU air coolers up to 56mm height
- 1.5mm steel construction for durability
- Front USB and Type-C connectivity
Cons
- Limited to Mini-ITX motherboards only
- Requires low-profile cooling solutions
- Steel construction adds weight
Good fit if
- You need a small footprint for a home theater setup
- You are building a compact office PC
- You use low-profile CPU coolers
Skip if
- You require ATX or Micro-ATX motherboard support
- You plan to use large tower CPU coolers
- You need extensive rear expansion slots
Verdict: The SGPC K29 4.1L Mini-ITX Case is a practical option for users who prioritize a small footprint and low-profile cooling in a Mini-ITX build.
Specifications side by side
| Spec | SGPC 5L Portable Mini-ITX Case | SGPC 4.1L Mini-ITX Case |
|---|---|---|
| Motherboard Support | Mini ITX | Mini ITX |
| Case Type | SFF | HTPC |
| Side Panel | Ventilated Steel | not stated |
| Max GPU Length | 185mm | not stated |
| Case Volume | 5.1L | 4.1L |
| Tower Size | Small Form Factor | not stated |
| Use | Gaming | not stated |
| Dimensions | 7.7 × 4.7 × 8.7 inches | 8.9 × 3 × 9.8 inches |
| Weight | 4.14 pounds | 4.21 pounds |
| Color | WHITE | Or |
| Model | K39 | K29 |
Frequently asked questions
Which case is better for gaming builds?
The SGPC K39 is the better choice for gaming. It is designed for experienced builders needing portable Mini-ITX gaming setups. Its 5L volume and riser cable support provide flexible GPU placement. The K29 is better suited for office or HTPC use where gaming performance is not the priority.
What is the size difference between the two cases?
The K39 measures 7.7 inches in length, while the K29 is longer at 8.9 inches. The K39 is wider at 4.7 inches compared to the K29’s 3-inch width. The K39 is shorter in height at 8.7 inches, whereas the K29 stands at 9.8 inches tall.
Do both cases support Mini-ITX motherboards?
Yes, both the SGPC K39 and K29 support Mini-ITX motherboards. They are both classified as Small Form Factor cases. This common compatibility allows you to use the same mainboard in either chassis, though the internal layout and component spacing will differ due to their unique dimensions.
Which case is lighter?
The SGPC K39 is slightly lighter than the K29. It weighs 4.14 pounds. The K29 weighs 4.21 pounds. This minor weight difference is negligible for most users, but the K39 offers a marginal advantage if you plan to transport your build frequently.
What color options are available for these cases?
The SGPC K39 is available in white. The SGPC K29 is listed in orange. These color choices allow you to match the case to your preferred aesthetic. Both models maintain a compact footprint suitable for desks or entertainment centers.
Can I use a riser cable in the K29?
The provided data does not specify riser cable support for the K29. The K39 explicitly supports flexible GPU installation via a riser cable. If you require a riser for your GPU, the K39 is the confirmed option. You should verify compatibility with the K29 manufacturer before purchasing.