SABRENT M.2 NVMe SSD 8TB Gen 4, Internal Solid State 7100MB/s Read, PCIe 4.0 M2 Hard Drive for Gamers, Compatible with PlayStation 5, PS5 Console, PCs, NUC Laptops and Desktops (SB-RKT4P-8TB)

Product Information

Storing a larger amount of bits per cell is great for increasing SSD capacity but significantly reduces the drive’s endurance and write performance due to the larger amount of data being written per cell. To counter this, manufacturers will allocate a fraction (typically 1/4th) of the SSD to function as an SLC flash-based cache. However, on reaching the end of the SSDs limit, the cache is significantly reduced to free up space degrading the performance. NVMe Is Faster than SATA

The U32 Shadow supports USB 3.1 Gen 2, over which you can transfer data at a maximum speed of 550MB/s. The drive uses an ASMedia 235CM controller that supports the UASP protocol and TRIM functionality. While many external SSD manufacturers prefer to leave out the SSD specification used on the inside, we have little reason not to believe the U32 Shadow uses the 870 QVO from Samsung.Sabrent will also give you a copy of Acronis True Image to help transfer your current installation across. The drive also comes with a custom heatsink so that it can perform well (though given that most motherboards these days come with a heatsink, that's probably not necessary), and there's also a separate thinner heatsink for those who want to install it inside a PS5. The ADATA XPG Spectrix S40 is an unapologetically bright RGB-lit PCIe 3.0 NVMe M.2 SSD that blings up your PC. Its 4K read and write speeds should keep most gamers happy, too. The ADATA XPG Spectrix S40G carries some respectable wins out of its duel with other competing drives we've tested, and it looked great doing it. The drive utilizes the Phison E12S PCIe 3.0 controller. Although newer drives with PCIe 4.0 arrive with the newer Phison E16 and E18 controllers. But unless these SSDs use TLC, the QLC flash will still be a limiting factor in speed. It isn't under trace testing, it is under "synthetic testing - iometer," as mentioned previously. You need to look through the gallery for the 4K random QD1 response latency. Sequential read is only the first image of the iometer gallery.

Even in mSATA's heyday, though, a replacement was in the works. During development, it was known as NGFF, for "Next-Generation Form Factor." As it took shape, though, it took on its current, final name: M.2. The drives would be smaller, potentially more capacious, and, most important, not necessarily reliant on SATA. 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 its exceptional 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 Good news, 1/4 of the drive being slc (to use as cache) is alot.. so best drive .. for such capacity.. That's not a bad thing. Especially in the case of laptops, an older machine might supportonlyM.2 SATA-bus SSDs, and that will be the boundary of your upgrade path...end of story. As a result, the only reasons you'd upgrade the drive, in that situation, would be to get more capacity, or if the old one failed.

PCIe 5.0 SSDs have just hit the market, though for the moment they're really for enthusiast tier desktops and not much else. Still, PCIe 5.0 is a big deal for SSDs since it pushes the limit from 8,000MB/s with M.2 running PCIe 4.0 to 16,000MB/s with M.2 running PCIe 5.0. We're only in the first generation of PCIe 5.0 drives, so none of them are even close to 16,000MB/s, but Crucial's T700 is topping the leaderboard today and it's not even the most expensive PCIe 5.0 drive out there. I only see the "tracing testing", maybe that depends on latency and so reflects it, i'd greatly appreciate an actual latency metric though)

South Korean memory-chip maker SK Hynix is a relative newcomer to the consumer solid-state drive market, but you would never know that based on its first offerings. The SK Hynix Platinum P41, a PCI Express 4.0 NVMe M.2 SSD, is its best yet. It dominated our PCMark 10 and 3DMark Storage benchmark testing, setting several new records in the process. The P41 supports 256-bit AES hardware-based encryption. SK Hynix provides a clone utility tool, the SK Hynix System Migration Utility, for its SSDs, in addition to Easy Drive Manager software, which lets you see detailed information on drive health, run diagnostics, and erase the drive. And the P41 can be had for a very reasonable price in its 1TB and 2TB capacities. Who It's For A PCIe Gen4 x4 extreme data performance controller delivers phenomenal read, write, and response times that leave standard M.2 SSDs in the dust. Samsung's 990 Pro is the company's latest high-end NVMe SSD, replacing the older 980 Pro. With sequential reads up to 7,450MB/s and writes up to 6,900MB/s, it's the second fastest PCIe 4.0 SSD in this entire collection, and although it's more expensive than the MP600 Pro NH, it does have some upsides.If there would have been any screenshots of IOMeter, I presume they would have shown the latency, but none are published. I don’t take screenshots of the iometer results, I log them and sort through the raw data to chart it instead. Anyways...having only one capacity option is what stops it from being a tempting buy. Half of the market isn't even focused on having 4TB nvme...even Samsung hasn't bothered with it. If there would have been any screenshots of IOMeter, I presume they would have shown the latency, but none are published. The drive’s 540 MB/s transfer rate is what one would expect from a SATA-based SSD, which, although much slower than NVMe, is way more enduring. Based on our findings, the drive inside seems to be a Micron 5210 Ion SSD, which has a similar data transfer rate as the Rapid.

Anyways...having only one capacity option is what stops it from being a tempting buy. Half of the market isn't even focused on having 4TB name...even Samsung hasn't bothered with it. I believe it is ballpark 0.5 milliseconds which is the typical for most recent M.2 NVMe SSDs currently (and Optane leads with 0.01), can you please confirm?We actually like these because often, you often get a robust heat sink on the M.2 drive. Some PCI Express-bus M.2 SSDs can run hot under sustained read/write tasks and throttle their speed. That said, unless you're running a server or something similar, where a drive is constantly getting hammered with reads and writes, that's usually not something you have to worry about. That's because many of these drives are so fast, they get their transfer duties done before they have a chance to get all that hot. The VectoTech Rapid is another external 8TB SSD that utilizes a SATA SSD in a custom enclosure that takes up very little space and is light enough to be carried around without hassle. It also uses a USB 3.1 Gen 2 interface for data transfer, which we believe a majority of the devices manufactured support today.