Lexar Professional NM800 NVMe SSD Detailed

btarunr · Sep 15, 2021

Lexar unveiled out the Professional NM800, a premium follow-up to its NM620 performance-segment SSD from Spring. The NM800 takes advantage of PCI-Express Gen 4 and NVMe 1.4 protocol, and comes in capacities of 512 GB and 1 TB. The 512 GB variant offers sequential transfer rates of up to 7000 MB/s reads with up to 3000 MB/s writes, and random-access throughput of 200k/500k (read/write) IOPS. The 1 TB variant, on the other hand, does up to 7400 MB/s sequential reads, up to 5800 MB/s sequential writes, and 400k/750k IOPS. The company didn't put out which combination of controller and NAND flash it is using, but we suspect that the drive is based on the Innogrit IG5236 "Rainer" controller, and Micron 3D TLC NAND flash. Endurance of the drives is rated at 250 TBW for the 512 GB variant, and 500 TBW for the 1 TB variant. The 512 GB variant is expected to be priced at 99€, and the 1 TB variant at 179€.

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DeathtoGnomes · Sep 15, 2021

The 512 GB variant is expected to be priced at 99€, and the 1 TB variant at 179€.

These are not bad prices.

Tomorrow · Sep 15, 2021

DeathtoGnomes said:
These are not bad prices.

They are not good either. Faster Gen4 drives are available that are cheaper. The 3000MB/s write on the 512GB drive is especially baffling. Im guessing they must be using a 4 channel (instead of 8 channel) controller.

TheLostSwede · Sep 15, 2021

DeathtoGnomes said:
These are not bad prices.

It's because all your data is being duplicated and sent to Emperor Xi when you're not looking...

illusion archives · Sep 15, 2021

Tomorrow said:
They are not good either. Faster Gen4 drives are available that are cheaper. The 3000MB/s write on the 512GB drive is especially baffling. Im guessing they must be using a 4 channel (instead of 8 channel) controller.

No, InnoGrit's IG5236 is an 8-channel controller. Plextor M10P uses the same controller and its 512G drive has a seq write speed at 4000MB/s.

I am wondering that which type of micron nand flash does NM800 uses？B27A/B or B37R or B47R?

bonehead123 · Sep 15, 2021

Someone please wake me up when a 4 or 8TB model with faster suppeeedz and a true 8 channel performance delta is available for $200/350...

Ahhzz · Sep 15, 2021

Guys, some of you are drifting far afield. There will be some cleanup shortly, please steer back to the original topic. thanks!

Athlonite · Sep 15, 2021

Endurance of the drives is rated at 250 TBW for the 512 GB variant, and 500 TBW for the 1 TB variant

Those are garbage TBW's

Tardian · Sep 16, 2021

These look good for certain non-write intensive applications. Price is likely to be reasonable.

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Lexar Professional NM800 NVMe SSD Detailed

btarunr

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DeathtoGnomes

Tomorrow

TheLostSwede

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illusion archives

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Athlonite

Tardian

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