Is WD SN550 Qlc or TLC?

The extra complexity of QLC NAND impacts the NAND’s performance and reliability, especially in write-heavy workloads. While Western Digital’s new QLC-based WD Blue SN550 drives offer comparable levels of read performance to its TLC-based predecessor, the same cannot be said for the drive’s write speeds.

Is WD Blue SN550 TLC or QLC?

Earlier this week, news broke that Western Digital was shipping WD Blue SN550 drives with QLC NAND instead of the TLC NAND the drives had launched with.

Is SN550 a Qlc?

It’s faster than QLC, it is TLC written NAND and you get a proper 5 -years warranty. That said, this is a TLC NAND writing product, and that does show in some areas (long sustained writes) but also the TBW values are a bit on the shy side with 600 Terabyte written for the 1TB model.

Is WD Blue TLC?

The WD Blue 4TB SSD is based on 64-layer TLC NAND from SanDisk, WD’s subsidiary, and comes in the usual 2.5-inch form factor. … Samsung is the biggest name in SSDs, and it’s one of the few that has adopted the 4TB capacity right now.

Does WD Blue SN550 have DRAM?

The SN550 is based on the m. 2 2280 form factor with a PCIe 3.0 (x4) or latest NVMe 1.4 interface. It features a SanDisk 4-channel controller and is a DRAM-less drive with HMD support. Without DRAM, it instead uses a small SLC cache on its single-sided PCB board as well the the host’s via NVMe.

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Is Qlc better than TLC?

QLC flash memory is best for most read-intensive workloads, while TLC is suited to write-dominant workloads. Discover how QLC vs. TLC NAND are coexisting in the data center.

Does WD SSD come with cloning software?

Western Digital SSD Migration Software and Its Limitations

As a matter of fact, Western Digital (WD) does not come with cloning software, and you have to download the WD SSD clone software first from the WD sites, these Western Digital SSD migration software includes: 1.

Is WD SN550 good for gaming?

The Blue SN550 is WD’s 2020 refresh to the acclaimed line, and while its predecessor is a tough act to follow, its updated controller and NAND flash package deliver better speeds and lower temperatures at its lowest price point yet – ideal for the best cheap gaming PCs out there.

Is WD Blue 1TB good?

Final Verdict. Overall, the WD Blue 1TB SATA Hard Drive is just okay. It’s a little bit older, a little bit more traditional, and certainly not as fancy as some of the newer models being released these days. While it has decent access and capacity, the speed falls a little bit short.

Is WD Blue MLC or TLC?

The Blue 3D SSD is the first TLC NAND drive whose sustained write performance nearly matches that of MLC NAND drives.


Every WD Blue 3D NAND SATA SSD goes through extensive compatibility and reliability testing to ensure it meets the high standards of the WD brand. Monitor your drive’s available capacity, operating temperatures, SMART attributes and more with the Western Digital SSD Dashboard.

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