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The USB port supports the USB 3.2 data transfer standard. This allows you to read and write files at a rate of up to 10Gbps. The enclosure itself will support up to a 8TB drive. That’s a larger capacities than most enclosures will allow. A pair of 12-inch cables are included for connecting to your computer or other device. Both are male-to-male, and one is USB Type-C to Type-C, while the other is Type-C to Type-A. The StarTech.com USB-C M.2 NVMe PCIe SSD Enclosure is drop-proof and waterproof for extreme durability. The first generation of M.2 PCI Express SSDs made use of a PCI Express x2 interface with throughput higher than SATA 3.0, but not enormously so. That's changed. Today's mainstream M.2 drives support PCI Express 3.0 x4 (four lanes of bandwidth), working alongside a technology called Non-Volatile Memory Express (NVMe). The idea behind NVMe is to accelerate performance further, especially with hardy workloads. An M.2 slot on an MSI AMD-based motherboard, showing multiple mounting points
Depending on what you need, any one of these M.2 SSD enclosures could be the best choice. But what sets one apart from another? Here’s what we’ve learned about each of these enclosures. We've already mentioned one you know—SSD. It stands for "solid-state drive," a storage drive made up of flash memory in modules called NANDs and governed by a controller chip. (The name NAND comes from a type of logic gate in Boolean algebra; we'll try to explain terms as we go along, but if you need a refresher in SSD lingo see our rundown of 20 terms you need to know.) Unfortunately, SSD shopping has been complicated in recent years by the emergence of three new technologies: M.2, PCI Express (abbreviated PCIe), and NVMe. All three are centered around making SSDs smaller or faster. They also make buying a solid-state drive more challenging than ever. Although M.2 is commonly referred to as an interface, that's not the whole story. M.2 is also a shape or physical form factor, and governs the keying that lets a drive fit onto a motherboard. The data transfer speed will depend on what type of drive you’re using. For NVMe drives, you get a full 10Gbps maximum speed. If you’re using a SATA drive, this will top out at 6Gbps. You’ll also be limited to 2TB of drive capacity. That said, you get everything you need to get started. Along with the enclosure, there’s a pair of 15.7” USB Type-C to Type-C and Type-C to Type-A cables. Best Durability: StarTech.com USB-C M.2 NVMe PCIe SSD EnclosureAlso, as we mentioned, realize that a few laptops solder their SSDs directly to the mainboard to save space, so a drive upgrade may not be possible. Note, too, that upgrading a laptop to a new SSD may violate the terms of any existing warranty. If you're a custom PC builder with RGB-lighting fever, and have RGB-ified just about every inch and corner of your system, perk up: ADATA has brought pretty lights to the internal SSD final frontier. The XPG Spectrix S40G is the most flamboyant NVMe drive we've seen to date. With the S40G's fine 4K write speeds, top-notch sequential-read speeds, and respectable durability rating, ADATA makes having a top-of-the line, over-the-top SSD affordable and fun, in one fell swoop. Who It's For Though it can't quite match the gaming prowess of some of the latest generation of PCIe 4.0 speedsters, the SSD 990 Pro With Heatsink still offers respectable gaming performance while being a thoroughbred workhorse for creative tasks. It's an appealing choice and a worthy upgrade from the SSD 980 Pro. Now let's reiterate an important point: You may know an M.2 solid-state drive's length and capacity, but that doesn't tell you about the bus or interface it makes use of. That detail is vital to know—just as important as making sure the drive physically fits in the space you have. Installing your M.2 SSD is straightforward, although you’ll need to use the included small screwdriver. Remove the screw from the lid and slide it away to reveal the inner housing. Inside is a thermal silica gel pad that helps transfer heat to the outside. The compartment will accommodate any sized M.2 SSD, from 2230 all the way up to 2280. And it supports both NVMe and SATA SSDs, so you don’t have to worry about compatibility.
Why did SSDs take so long to get so small? Actually, from a strict manufacturing viewpoint, they never needed to be that big in the first place. Classic 2.5-inch SSDs have a lot of dead space inside, as memory chips are much smaller than rotating drive mechanisms, but they were designed to fit into existing bays to replace hard drives. In the move from bulky desktops to ultra-slim laptops and tablets, one thing came clear: That fatter kind of drive would have to go. An M.2 drive reduces an SSD to its essentials: just a strip of a circuit board studded with silicon, much leaner and easier to fit into tight spaces.
PCI Express 4.0 vs. 3.0 SSDs: A Solid-State Speed Boost
Of course, these are just the basics. To truly understand these enclosures, we’re going to have to take a much closer look. Once we’ve given them a thorough evaluation, we’ll know enough to deliver a verdict. Let’s get started! Best Overall: UGREEN M.2 NVMe SSD Enclosure Specifically, Intel users will need a 12th or 13th Generation Core CPU with a motherboard based on Intel's Z690 or Z790 chipset. AMD fans must have a Ryzen 7000 series processor and an AM5 motherboard with an X670, X670E, or B650E chipset. Important: You'll also have to be sure the motherboard actually has a PCI Express 5.0 M.2 slot implemented. The chipset is not a guarantee of that, just an indication that the motherboard maker could include one. (Some of these boards will have only PCI Express 5.0 x16 expansion card slots, and not 5.0-compliant M.2 SSD slots.) The data bus, or pathway, over which your data travels to and from an M.2 drive is a whole other matter, which is where PCI Express and NVMe come in. We'll get to the significance of NVMe in a moment; first, let's discuss the key physical traits of an M.2 drive that you need to understand. (The video below is a good primer.) In practice, all of today's PC builder- or upgrader-minded M.2 drives and slots are 22mm wide, so you can expect this number to start with 22. The most common lengths are 80mm (M.2 Type-2280) and 60mm (M.2 Type-2260). Drives as short as 30mm (M.2 Type-2230) or as long as 110mm (M.2 Type-22110) do exist, however. Why the differences in length? The longer the drive's PCB (printed circuit board), the more surface area it has to hold memory chips.
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