KIOXIA BG4 256GB PCIe 3.0 NVMe SSD Review: Specs, Pros and Cons
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This kioxia SSD 256gb bg4 m 2 review covers the KIOXIA BG4, a compact storage solution for modern systems. It features an M.2 2280 form factor, making it easy to fit into laptops and desktops. The drive uses NVMe PCIe 3.0 Gen3 x4 connectivity for efficient data transfer. You get sequential read speeds of up to 3050 MB/s and write speeds up to 1550 MB/s. These specifications define its performance profile, offering a clear upgrade path for older SATA drives or a reliable baseline for new builds. It is a straightforward, spec-driven option for those needing reliable, fast storage.
What stands out
- Sequential read speeds reach up to 3050 MB/s for fast file access.
- Sequential write speeds hit up to 1550 MB/s for quick data saves.
- M.2 2280 form factor fits most modern laptops and desktops.
- NVMe PCIe 3.0 Gen3 x4 interface ensures broad system compatibility.
- Compact dimensions of 3.2 x 0.9 x 0.1 inches save space.
Who it fits
Good fit for
This drive suits users upgrading from SATA SSDs or HDDs who want a noticeable speed boost without complex setup. It is ideal for general computing, office work, and media consumption. Gamers looking for faster load times in compatible systems will also benefit from the high read speeds. The M.2 2280 size makes it a perfect fit for slim laptops and compact desktop builds where space is limited. If you need a reliable, no-fuss storage upgrade for everyday tasks, this spec sheet offers a solid foundation.
Who should skip it
You should look elsewhere if you need maximum capacity, as 256GB fills up quickly with modern games and large files. Users requiring PCIe 4.0 speeds will find this drive limited by its Gen3 interface. Professionals handling massive video files or heavy data transfers might find the 1550 MB/s write speed too slow. Additionally, if your system lacks an M.2 slot or only supports older SATA connections, this drive will not work. It is not designed for high-end content creation or server environments.
Verdict: The KIOXIA BG4 offers solid Gen3 performance in a small package. It is a practical choice for standard upgrades and everyday computing tasks.
Key specs explained for KIOXIA BG4
Storage Capacity: 256GB
This drive holds 256 gigabytes of data. You can store your operating system, essential applications, and a moderate number of files. It is suitable for users who need basic storage for daily tasks. If you manage large media libraries or extensive game collections, you may need a larger capacity drive. This size is ideal for a primary boot drive or a secondary storage unit for documents.
Max Read Speed: Up to 3050 MB/s
The drive can read data at speeds up to 3050 megabytes per second. This allows for fast loading of operating systems, quick opening of applications, and rapid transfer of large files. You will notice smoother performance when multitasking or working with large datasets. This speed is significantly faster than traditional SATA SSDs, which typically max out around 550 MB/s. It suits users who value quick system responsiveness.
Max Write Speed: Up to 1550 MB/s
The drive writes data at speeds up to 1550 megabytes per second. This ensures efficient saving of files, installing software, and copying data to the drive. While slower than the read speed, this rate is still competitive for an NVMe drive. It helps reduce wait times during data-intensive tasks. You benefit from this speed when frequently saving work or moving large files between drives compared to older storage technologies.
Interface: NVMe PCIe 3.0 Gen3 x4
This interface uses the NVMe protocol over a PCIe 3.0 x4 connection. It provides a direct path to the CPU, reducing latency and increasing throughput compared to SATA. You need a motherboard with an M.2 slot that supports this standard. Most modern laptops and desktops include this slot. It is backward compatible with PCIe 4.0 slots, but the drive will operate at PCIe 3.0 speeds. This standard ensures broad compatibility and reliable performance for everyday computing.
Design and build overview
The KIOXIA BG4 uses an M.2 2280 form factor. This standard size measures 22 millimeters by 80 millimeters. The listing provides exact dimensions in inches as well. The width is 0.9 inches. The height is 0.1 inches. The length is 3.2 inches. These measurements confirm the drive fits into standard M.2 slots on most modern motherboards. You do not need extra brackets or adapters for basic installation. The low profile means it sits flat on the circuit board. This design helps with airflow in tight cases.
According to the listing, the drive is compatible with laptops, desktops, and the PlayStation 5. This broad compatibility means you can use it in many different systems. The NVMe PCIe 3.0 Gen3 x4 interface connects directly to your motherboard. This connection provides high bandwidth for fast data transfer. The compact layout removes the need for SATA cables. You save space inside your case. The simple design focuses on function over style. There are no visible heatsinks or fancy finishes mentioned in the data. The build is straightforward and practical for users who need reliable storage without bulk. It fits seamlessly into your existing hardware setup.
Setup and daily operation
Installation is straightforward for users with compatible hardware. The KIOXIA BG4 uses the M.2 2280 form factor. This standard size fits into most modern laptops and desktops. You simply slot the drive into an available M.2 2280 NVMe PCIe slot. The interface is NVMe PCIe 3.0 Gen3 x4. This connection type ensures broad compatibility with current systems. It also supports PS5 consoles, according to the listing. This makes the drive a versatile option for different devices. You do not need additional cables or power connectors. The physical profile is slim. The height is only 0.1 inches. This low profile helps it fit into tight spaces without interfering with other components. Daily use relies on the drive’s sequential performance. The maximum read speed is up to 3050 MB/s. This allows for fast loading of operating systems and large files. The maximum write speed is up to 1550 MB/s. This helps when saving data or copying files to the drive. The 256GB capacity is suitable for basic storage needs. You can store your operating system, essential applications, and a moderate number of files. The drive handles everyday tasks like web browsing and document editing efficiently. The PCIe 3.0 interface provides reliable data transfer rates for standard computing tasks. It supports all systems with the required M.2 2280 NVMe PCIe slot. This ensures you can upgrade your storage without compatibility issues. The drive is designed for consistent performance in typical usage scenarios.
Before You Buy This SSD
Before you buy the KIOXIA BG4 256GB, verify your system has an available M.2 2280 slot. This drive fits laptops and desktops, and the listing notes PS5 compatibility. However, you should confirm your motherboard supports PCIe 3.0 Gen3 x4. The 256GB capacity is modest. You may need to manage storage carefully or pair this with a larger SATA drive for media files. This SSD is best for basic daily tasks rather than heavy gaming or video editing. It fits alongside other PCIe 3.0 options as a budget-friendly choice. Ensure your BIOS is updated for best stability. The drive does not include a mounting bracket or thermal pad. You might need to source these separately if your case does not provide them. Keep your operating system and drivers current to maintain performance. This is a practical upgrade for older systems that still rely on slower storage solutions.
Check before you buy
- Confirm your system has an M.2 2280 slot.
- Check if your motherboard supports PCIe 3.0 Gen3 x4.
- Verify PS5 compatibility if you plan to use it there.
- Ensure you have space for the 22mm by 80mm drive.
- Check if your case includes a mounting bracket or thermal pad.
The product at a glance
KIOXIA BG4 256GB PCIe 3.0 NVMe SSD
Best for: budget upgrades for older laptops and desktops
- Storage Capacity
- 256GB
- Interface
- NVMe PCIe 3.0 Gen3 x4
- Max Read Speed
- Up to 3050 MB/s
- Max Write Speed
- Up to 1550 MB/s
- Form Factor
- M.2 2280
- Compatibility
- Laptop, Desktop, PS5
View on Amazon: KIOXIA BG4 256GB PCIe 3.0 NVMe SSD Affiliate link
The Kioxia BG4 is a 256GB M.2 2280 NVMe SSD designed for laptops and desktops. It uses a PCIe Gen3 x4 interface to deliver sequential read speeds up to 3050 MB/s and write speeds up to 1550 MB/s. This drive fits standard M.2 slots, making it a straightforward upgrade for systems that support NVMe PCIe storage. It offers reliable performance for everyday computing tasks.
Pros
- Sequential read speeds up to 3050 MB/s
- Sequential write speeds up to 1550 MB/s
- Standard M.2 2280 form factor
- Compatible with laptops, desktops, and PS5
Cons
- 256GB capacity limits storage for large files
- PCIe Gen3 interface is slower than newer Gen4 options
- No included heatsink for thermal management
Good fit if
- You need a budget-friendly upgrade for an older laptop
- You want a reliable drive for basic daily computing
- You are installing a secondary drive for game or media storage
Skip if
- You require high capacity for heavy data workloads
- You need the fastest possible PCIe Gen4 speeds
- You are building a high-end gaming PC with top-tier components
Verdict: Kioxia BG4 256GB PCIe 3.0 SSD is a solid choice for users seeking a cost-effective storage solution for standard laptops or desktops. It delivers respectable speeds for everyday tasks but lacks the capacity and bandwidth needed for demanding professional workflows.
Specifications side by side
| Spec | KIOXIA BG4 256GB PCIe 3.0 NVMe SSD |
|---|---|
| Storage Capacity | 256GB |
| Interface | NVMe PCIe 3.0 Gen3 x4 |
| Max Read Speed | Up to 3050 MB/s |
| Max Write Speed | Up to 1550 MB/s |
| Form Factor | M.2 2280 |
| Compatibility | Laptop, Desktop, PS5 |
| Dimensions | 3.2 × 0.9 × 0.1 inches |
| Model | KBG40ZNV256G L57447-001 |
Frequently asked questions
Is the KIOXIA BG4 256GB compatible with a PlayStation 5?
Yes, the KIOXIA BG4 is listed as compatible with the PS5. It uses the M.2 2280 form factor, which fits the console's expansion slot. The drive connects via PCIe 3.0 NVMe. This makes it a viable option for adding storage to your PS5, provided you have the necessary clearance and adapter.
What are the exact physical dimensions of this SSD?
The KIOXIA BG4 measures 3.2 inches in length. It is 0.9 inches wide and 0.1 inches high. These dimensions correspond to the standard M.2 2280 form factor. This size ensures it fits into most modern laptops and desktop motherboards that support this standard slot configuration.
Can I use this drive for professional video editing workflows?
The KIOXIA BG4 is not ideal for demanding professional workflows. It is best suited for budget upgrades for older laptops and desktops. The 256GB capacity and PCIe 3.0 interface may limit performance for large file transfers. You should consider higher-capacity or faster drives for heavy creative tasks.
Does the KIOXIA BG4 use PCIe 4.0 or PCIe 3.0?
This SSD uses the PCIe 3.0 interface. It connects via NVMe protocol over PCIe 3.0 Gen3 x4 lanes. This means it will not take full advantage of PCIe 4.0 slots if you install it in a newer motherboard. However, it works well in systems that support PCIe 3.0 standards.
Is the KIOXIA BG4 suitable for a desktop PC upgrade?
Yes, it is a solid choice for desktop upgrades. The drive is compatible with desktops and uses the M.2 2280 form factor. It offers a cost-effective storage solution for standard tasks. You can store your operating system and essential applications efficiently. It is a practical option for everyday computing needs.
What is the model number for the 256GB version of the BG4?
The specific model number for the 256GB version is KBG40ZNV256G L57447-001. This identifier helps you verify the exact drive you are purchasing. It ensures you are getting the correct capacity and interface specifications. Check this number when comparing listings to ensure compatibility with your system.
How much storage space does the KIOXIA BG4 provide?
The drive provides 256GB of storage capacity. This is sufficient for your operating system, essential applications, and a moderate number of files. It is suitable for users who need basic storage for daily tasks. If you manage large media libraries, you might find this capacity modest for long-term use.