WD_BLUE SN550 1TB M.2 2280 PCIe Gen3 NVMe up to 2400 MB/s read speed

Product Information

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The Western Digital Dashboard helps users maintain peak performance of the Western Digital SSD in Windows operating systems with a user-friendly graphical interface for the user. The Western Digital Dashboard includes tools for analysis of the disk (including the disk model, capacity, firmware version, and SMART attributes) and firmware updates.Most SSDs utilize DRAM or leverage NVMe’s Host Memory Buffer (HMB) feature to help accelerate Flash Translation Layer (FTL) tasks to ensure responsive performance. While the WD Blue SN500 went without DRAM or HMB and instead relied solely on a small portion of SRAM for the task, WD’s Blue SN550 adopts the feature. Windows reports a default allocation amount of 64MB of the host system’s DRAM. WD designed the controller and firmware that powers the SSD. The Blue SN550’s NVMe 1.4-compliant controller interfaces with the host over a PCIe 3.0 x4 link, a step up from the x2 link the previous SN500 had, which helps performance a bit. As used for transfer speed, megabyte per second (MB/s) = one million bytes per second. Performance will vary depending on your hardware and software components and configurations. The WD Blue SN550 NVMe SSD(WDS100T2B0C-00PXH0) is a good priced NVMe SSD for M.2 slots (2280). It features no DRAM buffer memory and uses 3 bit TLC memory chips with 96 layers. Officially Western Digital states 2.4 / 1.95 GB/s read / write speeds that we also could measure with CDM6 (2443 / 2019 MB/s).

As used for storage capacity, 1GB=1,000,000,000 bytes and 1TB=1,000,000,000,000 bytes. Actual user capacity may be less depending on operating environment.

Benchmarks

TBW (terabytes written) values calculated using JEDEC client workload (JESD219) and vary by product capacity. In the following list you can select (and also search for) devices that should be added to the comparison. You can select more than one device.restrict list:

bit_user said:I hadn't noticed. I feel like it'd give a more intuitive sense of what happens to transfer speeds over time, if it were linear in both X & Y. Just my opinion.

Corsair Dominator Titanium First Edition DDR5-6600 C32 2x32GB Review: Abundant Capacity And Performance Let me know if you would like to see any other tests/data. I'm always looking for something new and worthwhile to add. :)