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Lexar NQ780 2TB specifications and in-depth review

Lexar NQ780 2TB

Manufacturer: Lexar

The Lexar NQ780 2TB is a high-capacity M.2 NVMe solid-state drive designed for users who need substantial internal storage alongside fast data throughput. Built on the PCIe 4.0 interface and compliant with NVMe version 1.4, it offers sequential read speeds reaching 7000 MB/s, making it a capable option for storage-intensive workloads. The drive carries a 5-year warranty and is rated for a mean time between failures of 1.5 million hours.

Under the hood, the NQ780 2TB relies on an InnoGrit IG5236 Rainier controller with 8 channels, paired with QLC NAND storage and an HMB (Host Memory Buffer) caching scheme in place of dedicated DRAM. Sequential write performance is rated at 5000 MB/s, and the drive achieved a PassMark score of 44,559 in benchmark testing. It carries a TBW rating of 1200 terabytes, supports up to 1500G shock resistance, and operates at temperatures up to 70 °C. The drive ships without an integrated heatsink or RGB lighting, and no hardware-level AES encryption is supported.

Pros
  • Sequential read speed of 7000 MB/s and write speed of 5000 MB/s indicate strong throughput for data-intensive tasks
  • A TBW rating of 1200 terabytes reflects solid long-term write endurance for a QLC-based drive
  • The 5-year warranty period offers meaningful coverage for extended use
  • An MTBF of 1.5 million hours points to a reliable operational lifespan
  • Shock resistance rated at 1500G provides resilience against physical impacts
  • PCIe 4.0 with NVMe 1.4 support enables high-bandwidth data transfers on compatible systems
Cons
  • QLC NAND storage is generally more susceptible to write wear compared to TLC or MLC alternatives, which the lower cost-per-GB TBW figure partly reflects
  • No hardware-level AES encryption is supported, limiting data security options at the drive level
  • HMB caching relies on system RAM rather than dedicated onboard DRAM, which can affect consistent performance under sustained workloads
  • The drive does not include an integrated heatsink, which may require users to manage thermals independently
  • Maximum operating temperature is capped at 70 °C, leaving limited headroom in thermally constrained environments
Who is this for?

The Lexar NQ780 2TB is well-suited to users who need large local storage capacity combined with fast sequential throughput, such as those working with large media files, game libraries, or bulk data transfers. Its PCIe 4.0 interface and NVMe 1.4 support make it a practical fit for systems built around high-bandwidth storage pipelines, while the 5-year warranty and 1.5 million hour MTBF rating make it a reasonable choice for users who prioritize long-term reliability. The 1500G shock resistance also makes it appropriate for desktop or workstation builds where occasional physical handling is a factor.

Who is this NOT for?

Users with strict data security requirements will find this drive lacking, as it offers no hardware-level AES encryption, making it unsuitable for environments where at-rest data protection at the drive level is necessary. Workloads that involve sustained, heavy write operations over time may also expose the limitations of QLC NAND paired with HMB caching, as the absence of dedicated onboard DRAM can lead to inconsistent write performance under prolonged stress. Additionally, users building systems in thermally constrained or passively cooled enclosures may find the 70 °C maximum operating temperature and lack of an integrated heatsink a concern without supplemental thermal management.

Read speed:

sequential read speed 7000 MB/s

The Lexar NQ780 2TB offers a sequential read speed of 7000 MB/s, reflecting its capacity to move large volumes of data quickly during read-intensive operations.

Write speed:

sequential write speed 5000 MB/s

The Lexar NQ780 2TB is rated for a sequential write speed of 5000 MB/s, allowing it to handle sustained write workloads at a substantial throughput rate.

Benchmarks:

PassMark result 44559

In benchmark testing, the Lexar NQ780 2TB recorded a PassMark score of 44,559, providing a standardized reference point for evaluating its overall storage performance.

General info:

type M2
SSD cache HMB (Host Memory Buffer)
Is an NVMe SSD ✓
NVMe version 1.4
internal storage 2000GB
controller InnoGrit IG5236 Rainier
SSD storage type QLC
PCI Express (PCIe) version 4
Controller channels 8
Terabytes Written (TBW) 1200
MTBF 1.5million hours
warranty period 5 years
Has an integrated heatsink ✕
maximum operating temperature 70 °C
bits of encryption supported 0
shock resistance 1500G
has RGB lighting ✕

The Lexar NQ780 2TB is an M.2 form factor NVMe SSD running on PCIe 4.0 and NVMe version 1.4, offering 2000GB of internal storage built on QLC NAND. It is driven by an InnoGrit IG5236 Rainier controller with 8 channels and uses HMB (Host Memory Buffer) in lieu of dedicated DRAM cache. The drive carries a TBW rating of 1200 terabytes and an MTBF of 1.5 million hours, backed by a 5-year warranty. It operates at temperatures up to 70 °C and withstands up to 1500G of shock. Hardware-level AES encryption is not supported, and the drive does not include an integrated heatsink or RGB lighting.

Final Verdict

The Lexar NQ780 2TB presents a well-rounded M.2 NVMe SSD for users who need substantial storage capacity backed by strong sequential throughput. Its PCIe 4.0 interface delivering up to 7000 MB/s read speeds, combined with a 1200 TBW endurance rating and a 5-year warranty, give it a credible standing for general-purpose and media-heavy workloads. That said, its reliance on QLC NAND with HMB caching and the absence of hardware encryption mean it is best matched to environments where raw speed and capacity take precedence over sustained write consistency or data security. For users whose needs align with those strengths, the NQ780 2TB is a technically capable and reliable storage option.