Though, as always, it takes some time for newer technologies to filter down into the conservative embedded/industrial market, the time has finally come for 96-layer 3D TLC NAND. SSD maker Transcend recently introduced its high-performance MTE662T SSD, one of the world’s first 96-layer 3D TLC-based NVMe drives aimed at commercial and industrial environments. And with sequential read speeds of up to 3400 MB/s, the drive is among the fastest in the segment.

When it comes to SSDs for applications that work 24/7 and/or in harsh environments, predictability and reliability are two things that matter the most, so the devices use appropriate components, are tailored for a particular use case, and have to pass rigorous tests. Transcend’s MTE662T M.2-2280 SSD is designed for embedded or ‘mild’ industrial applications, so it can handle operating temperatures between 0ºC and 70ºC for prolonged periods, can survive 5% ~ 95% RH non-condensing humidity, and endure 2.17 G (peak to peak) vibration with a 10 Hz ~ 700 Hz frequency.

The Transcend MTE662T carries 256 GB, 512 GB or 1 TB of 96-layer 3D TLC BiCS4 memory from Toshiba. The SSD is controlled by by an undisclosed high-end controller with eight NAND channels that supports NVMe 1.3 feature set, an LDPC-based ECC as well as DRAM caching. As far as performance is concerned, the drive promises up to 3400 MB/s sequential read speeds, up to 2300 MB/s sequential write speeds (when pSLC cache is used), as well as a peak read/write random IOPS rating of 340K/355K.

When it comes to endurance and reliability levels, Transcend’s MTE662T SSDs can handle from 550 TB to 2,200 TB written over a three-year warranty period, depending on the drive's capacity. This is not a particularly high rating, but far not all embedded and commercial applications are write intensive. As for MTBF, Transcend has rated the drive for 3,000,000 hours.

Transcend's MTE662T SSDs
Capacity 256 GB 512 GB 1 TB
Model Number ? TS512GMTE662T TS1TMTE662T
Controller Unknown
8 NAND channels
NVMe 1.3
LDPC
NAND Flash 96-Layer BiCS4 3D TLC NAND
Form-Factor, Interface, Protocol M.2-2280, PCIe 3.0 x4, NVMe 1.3
Sequential Read 3200 MB/s 3400 MB/s 3400 MB/s
Sequential Write 1300 MB/s 2300 MB/s 1800 MB/s
Random Read IOPS 190K IOPS 340K IOPS 305K IOPS
Random Write IOPS 320K IOPS 355K IOPS 350K IOPS
Pseudo-SLC Caching Supported
DRAM Buffer Yes, capacity unknown
TCG Opal Encryption ?
Power Consumption Sleep: 1 W
Operation: 3.3 W
Operating Temperature 0°C (32°F) ~ 70°C (158°F)
Storage Temperature -40°C (-40°F) ~ 85°C (185°F)
Humidity 5% ~ 95% RH, non condensing
Shock 1500 G, 0.5 ms, 3 axis
Operating Vibration 2.17 G (peak-to-peak), 10 Hz ~ 700 Hz (frequency)
Warranty 3 years
MTBF 3,000,000 hours
TBW 550 TB 1,100 TB 2,200 TB
DPWD ~2
MSRP ? ? ?

Transcend will start sales of the MTE662T SSD in February. Exact prices will depend on the volume ordered and other factors.

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Source: Transcend (via Hermitage Akihabara)

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  • James5mith - Monday, February 3, 2020 - link

    Why is the 512GB size the most performant? Reply
  • Jorgp2 - Monday, February 3, 2020 - link

    The dram is probably lacking Reply
  • PeachNCream - Monday, February 3, 2020 - link

    Editing attention needed on this line: "This is not a particularly high rating, but far not all embedded and commercial applications are write intensive." Reply
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