What is the 4x4 SSD

What is the 4×4 SSD – Ultimate Guide

In this article, we will be answering the question – what is the 4×4 SSD? We will explain what it does, and why you need one. The 4×4 SSD is one of the fastest and most reliable types of hard drives available on the market, allowing users to store, download, and stream media quickly and efficiently. 

Because of this, many companies manufacture these hard drives. However, only a few specialize in making 4×4 SSDs exclusively, making it harder to find high-quality ones. To help you find the best 4×4 SSDs on the market and make your purchasing decision more accessible, we’ve created an ultimate guide on what is the 4×4 SSD and how they work. 

All that, and more, in our ultimate guide to the 4×4 SSD! First of all, let’s make sure we understand what exactly an SSD is and how it can benefit your computer use. So, without further ado, let’s get started. 

What is the 4×4 SSD?

A 4×4 SSD card is a PCI-E card that contains four NVME lanes and connects to four PCIe slots on your motherboard. These cards come in two different types: a sonnet fusion SSD m 2 4×4 PCIe card, or an NVME card with four PCIe lanes. The best use for these cards is for high-end gaming machines, and may not be necessary for most businesses. 

Some people have had problems with their motherboard only being able to run one of these cards due to power limits, so it’s important to research this before buying one. To understand what it means when people call a 4×4 SSD an SSD, it is first necessary to first understand the term PCIe and its different generations.

Peripheral Component Interconnect Express, simply put, is the connection type for connecting peripheral devices to the computer motherboard. PCIe Gen 4 is the latest generation and a successor to the PCIe Gen 3 specification. The majority of PCIe-based SSDs use a 4x PCIe lane connection. 

The best analogy we can provide is a Point-to-Point, bidirectional connection. One sends data to the CPU, and the other sends data to the CPU. Kingston’s data demonstrates that PCIe Gen 3 transfers 1000 MB/s per lane while PCIe Gen 4 transfers at approximately 2GB/s per lane. 

Because most PCIe devices can support multiple lanes, when taking four of them, you can expect a throughput of up to 4 GB/s when in Gen 3 mode and up to 8 GB/s when in Gen 4 mode. As a result, theoretically, the more lanes a PCI Express device can utilize, the greater the bandwidth that can be had.

How Does a 4×4 SSD Work?

PCIe 4×4 NVME drives are based on the PCIe 3.0 x2 specification but have four lanes for both input and output instead of two. A PCI-E 4×4 NVME card has a single PCIe M.2 connector with four lanes that can deliver up to 16GB/s of throughput per lane, resulting in 32GB/s of throughput in total. 

In comparison, a standard PCI-E 3×4 NVME card has one PCIe M.2 connector with three lanes delivering up to 8GB/s of throughput per lane, resulting in 24 GB/s of throughput in total. PCI-E 4×4 SSD cards also offer reduced latency, which gives them an edge over standard PCIe 3×4 cards when running applications such as databases or virtualization software where response time is critical.

These cards have many benefits, including the ability to handle high-performance workloads like video editing. Another benefit is their capacity; PCI-E 4×4 NVME Cards support much larger capabilities than their predecessors do because they can access twice as much bandwidth from your computer’s motherboard (motherboard), CPU, and memory controller. 

You might not need a PCIe card at all though; if you already have an m2 slot, you might be able to upgrade to it internally via a bracket or add-in board. If you don’t, then these PCIe 4×4 NVME cards are an option. It’s important to keep in mind though that there may be some other features you want, like raid or encryption, which this won’t give you since this isn’t a hard drive with spinning platters inside.

Benefits of the 4×4 SSD

PCI-E 4X4 NVME offers better performance and lower latency for enterprise use. M2 has a limited bandwidth, but PCIe 3.0 x4 opens up data lanes that make it much faster than M2. In some cases, you can get up to 5 times more performance with a PCI-E 3.0 x4 card compared to an M2 card. 

Sonnet’s FUS-SSD-E3S provides a 32-gigabyte drive running at 1600 megabytes per second on PCIe 3.0 x4 bus, which makes it significantly faster than an M2 card or other SSDs in its class. Another advantage of using PCI-E cards is the low power consumption because it uses fewer watts. The FUS-SSD-E3S runs at 5 watts, while another PCIe 3.0×4 device would consume 10 watts of power. 

In short, the PCIe 4X4 NVME has better performance than the M2. The reason is that it has a wider bus and can transfer data at a much faster rate, which leaves some room for future expansion. On top of that, it also consumes less power, offers better security, and in most cases better durability. 

Drawbacks of the 4×4 SSD

The biggest drawback of a 4×4 SSD card is that they are more expensive. Thus, if you have a limited budget that you can’t stretch you will find it difficult to get the 4×4 SSD. Moreover, they are also typically not compatible with older computers, so if you upgrade your computer, you may need to buy a new card. 

Another potential downside of the 4×4 NVMe card comes from its compatibility with different operating systems. Windows has issues with booting off it, and Linux doesn’t support it at all. This means that compatibility issues can create hurdles for you if you want to use the 4×4 SSD. 

Lastly, when looking for PCI-E expansion cards for your computer, be sure to check how many slots are available in your motherboard and compare that to the number of slots on each card before purchasing one. As if your motherboard doesn’t have available ports, connectivity might become an issue for you. 

Difference between M2 4×4 SSD and PCIe 4×4 SSD?

You need to know what is the 4×4 SSD and what it means before buying one. There are multiple features that you need to keep in mind while investing your money in it. A good consideration would be whether you need an M2 or a PCI-e-based product. The M2 form factor is cheaper and available in lower capacities (up to 2 TB) but requires some extra time for installation as it must be mounted into your computer case or plugged in via a USB cable. 

PCI-e models are faster and can achieve greater storage capacities (up to 8 TB), but cost more and require some configuration with your computer’s hardware before they will work correctly. 

You may also want to consider what happens if your power goes out while using your computer, how much data you need on your PC at any one time, and how often you copy data between drives. 

If you have limited funds, you might have to compromise on size or performance. For example, a less expensive PCIe model might only have 1 GB of cache memory instead of the standard 2 GB, which could affect write speeds.

It might also not support NVMe, which could decrease read/write speeds and make this type of drive unsuitable for high-end gaming PCs. If your budget is tight, then an M2 model might be best for you because these drives are less expensive than their PCIe counterparts, and don’t require any additional setup outside of what has been described above.

What is a PCI-E 4×4 NVME?

A PCI-E 4×4 NVME is a type of card that you can install in an M2 slot. It will increase the performance of your system and make it easier to store large amounts of data. You can expect faster boot times, quicker data access, better multitasking capabilities, and increased storage. The sonnet fusion SSD m2 4×4 PCIe card features both storage and acceleration. 

This card offers full compatibility with your existing hardware, so you don’t have to worry about incompatibilities with your PC or laptop. It offers you data transfer, reading, writing, and other operating tasks at a rapid rate. The features of the latest technology going on in the market allow you to have an experience worthy of the money you are paying for it. 

What does NVME 4×4 vs 3×4 mean? 

NVMe 4×4 has four lanes, whereas 3×4 means it only uses three. This means an NVME card can transfer data at double the speed of 3 x 4 (PCIe). A lot of people think that NVME offers higher performance than SATA, but this may not be the case. 

If you are looking for high sequential read and write speeds, NVME would probably be a better option than SATA. Keep in mind that NVME drives are considerably more expensive than SATA drives, so if all you want to do is store photos and music on your laptop they might not be worth it.

What is a sonnet fusion SSD m 2 4×4 PCIe card?

A sonnet fusion SSD m2 4×4 PCIe card is a small but powerful upgrade for your computer. It can make your system feel like it’s brand new and make your computer run at an optimal speed. This card attaches to a PCIe slot on your motherboard and has an M.2 connector to plug in an NVMe Solid State Drive (SSD). 

The M.2 connector supports up to four lanes, which means you get much faster speeds than with PCIe 3.0×4 cards, which only support two lanes, or SATA 3, which only supports one lane. This card also doesn’t require any drivers and works with any operating system, such as Windows, Linux, or macOS, without any issues.

Why Choose Sonnet’s FUS-SSD-E3S?

There are different reasons why people choose to use PCI-E cards over M2 cards, but in terms of reliability Sonnet’s FUS-SSD-E3S provides its customers with an extra layer of protection without sacrificing performance or storage capacity. This is the reason why a lot of people prefer Sonnet’s FUS-SSD-E3S.


The 4×4 SSD card has a higher bandwidth than 3×4, with a maximum of 1GB/s. It also has better transfer speeds and lower latency, meaning it will provide you with faster boot times. You’ll want to make sure that your system supports PCIe Gen3 x8 to use this card.

If you’re looking for an upgrade for your current computer, you’ll be able to find both PCIe Gen3 x8 and PCIe Gen3 x16 cards. It is an impressive investment option if you want to make your working space an efficient one. Hope the information given above will help you make a decision about whether you should get the 4×4 SSD or not. 

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