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Crucial P1 500GB NVMe SSD - $100 NVMe (Page 2)

Chris Ramseyer | Nov 19, 2018 at 10:00 am CST - 2 mins, 53 secs reading time for this page

512GB Class Performance Testing

Product Comparison

Crucial P1 500GB NVMe SSD - $100 NVMe 300 | TweakTown.com

The P1 isn't a DRAMless design, so it's already a step above some products. The new QLC SSDs don't fall in a clear-cut category at this time. The entry-level NVMe space includes products like the Toshiba RC100 and other DRAMless SSDs like the HP EX900. The 500GB P1's low endurance keeps it from the upper class like the Adata SX8200, which just happens to sell for the same price at the time of writing.

The P1's closest competitor comes from drives like the Corsair MP300 and MyDigitalSSD SBX using the Phison E8 controller running on a PCIe 3.0 x2 bus.

Sequential Read Performance

Crucial P1 500GB NVMe SSD - $100 NVMe 020 | TweakTown.com
Crucial P1 500GB NVMe SSD - $100 NVMe 021 | TweakTown.com

The 500GB P1 meets and even exceeds its 1,900 MB/s rating in sequential reads but it's still not enough to challenge the drives using 8-channel controllers and 3-bit per cell media currently selling at similar price points.

Sequential Write Performance

Crucial P1 500GB NVMe SSD - $100 NVMe 022 | TweakTown.com
Crucial P1 500GB NVMe SSD - $100 NVMe 023 | TweakTown.com

Nearly every drive in the chart surpasses the 500GB P1 in sequential write performance. This is one of the weakest points for the new P1 SSD and one that Crucial can't fix with a simple firmware update.

Sustained Sequential Write Performance

Crucial P1 500GB NVMe SSD - $100 NVMe 024 | TweakTown.com

Writing large amounts of data to the 500GB P1 can be painless unless you surpass the SLC cache. Crucial uses a dynamic cache that starts with around 20% of the user volume. As you add data, the cache shrinks. We never recommend using the full userspace on any SSD to store data, but with QLC SSDs the performance tax has a harsher penalty. We call the low performance area outside of the cache native performance for the particular media used. In this case, the QLC native performance is very lower.

Random Read Performance

Crucial P1 500GB NVMe SSD - $100 NVMe 025 | TweakTown.com
Crucial P1 500GB NVMe SSD - $100 NVMe 026 | TweakTown.com

Reading and writing sequential data is only a very small portion of most user's daily workload. Most users read random small block size data mostly with small bursts of sequential data mixed in. The Crucial P1 was designed for "most users" and thus has strong random read performance. The new 1Tb QLC die uses a slight higher bus speed compared to 64L TLC. The increases shows in our QD1 random read test where the P1 manages to outperform all of our 512GB class favorites shipping today.

Random Write Performance

Crucial P1 500GB NVMe SSD - $100 NVMe 027 | TweakTown.com
Crucial P1 500GB NVMe SSD - $100 NVMe 028 | TweakTown.com

The slightly faster bus speed also propels the 500GB P1 above the others in the random write test. The new MyDigitalSSD BPX Pro delivers higher QD1 performance, but by QD2 the P1 takes off and leaves the other drives behind.

70% Read Sequential Performance

Crucial P1 500GB NVMe SSD - $100 NVMe 029 | TweakTown.com
Crucial P1 500GB NVMe SSD - $100 NVMe 030 | TweakTown.com

The two low sequential results ensure the 500GB P1 will have a difficult time with sequential mixed workloads. This is where you read and write data at the same time. Compared to other NVMe SSDs the P1 trails, but the new QLC drive still delivers superior performance to any SATA SSD shipping today.

70% Read Random Performance

Crucial P1 500GB NVMe SSD - $100 NVMe 031 | TweakTown.com
Crucial P1 500GB NVMe SSD - $100 NVMe 032 | TweakTown.com

In workload that matter, the 500GB P1 delivers acceptable random mix workload results. As we increase the workload to workstation levels, the P1 levels off.

Last updated: Sep 25, 2019 at 12:27 am CDT

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ABOUT THE AUTHOR - Chris Ramseyer

Chris Ramseyer started his career as a LAN Party organizer in Midwest USA. After working with several computer companies he was asked to join the team at The Adrenaline Vault by fellow Midwest LAN Party legend Sean Aikins. After a series of shake ups at AVault, Chris eventually took over as Editor-in-Chief before leaving to start Real World Entertainment. Look for Chris to bring his unique methods of testing Hard Disk Drives, Solid State Drives as well as RAID controller and NAS boxes to TweakTown as he looks to provide an accurate test bed to make your purchasing decisions easier.

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