Technical Snapshot

The Lexar NQ780 4TB NVMe SSD is a high-performance M.2 2242 solid state drive built with QLC flash and a PCIe Gen4 x4 NVMe interface. It delivers sequential read speeds Up to 6,500 MB/s and sequential write speeds Up to 5,000 MB/s. Random I/O reaches 700,000 read IOPS and 650,000 write IOPS. The drive offers 4TB of storage, an endurance rating of 2,400 TBW, a 1,500,000 hours MTBF, backed by a 5-year limited warranty. Part of Lexar's NQ780 product line, this drive targets enthusiast gamers, content creators, and workstation builders requiring high-bandwidth NVMe storage.

Use Case: Gaming, content creation, high-bandwidth NVMe storage
Compatibility: M.2 2242 slot, PCIe Gen4 x4 NVMe-capable motherboard
Category: Internal NVMe SSD — Lexar NQ780

Lexar SSD

Lexar NQ780

NQ780 4TB NVMe SSD

Name: Lexar NQ780 4TB NVMe SSD
Brand: Lexar
SKU: LNQ780X004T-RNNNU

PCIe Gen4 x4 NVMe · M.2 2242 · QLC · Up to 6,500 MB/s Read

Capacity 4TB

Seq Read Up to 6,500 MB/s

Seq Write Up to 5,000 MB/s

Endurance 2,400 TBW

MPNLNQ780X004T-RNNNU

CategorySolid State Drives

Contact for Price

Comparing SSDs? Open Comparison Tool →

Performance & Interface

Form FactorM.2 2242

InterfacePCIe Gen4 x4 NVMe

Sequential ReadUp to 6,500 MB/s

Sequential WriteUp to 5,000 MB/s

Random Read IOPS700,000

Random Write IOPS650,000

NAND TypeQLC

Endurance (TBW)2,400 TBW

MTBF1,500,000 hours

Warranty5-year limited

Full Specifications

Data sourced from Lexar product specifications

Storage
Product Line	NQ780
Capacity	4TB
Form Factor	M.2 2242
Interface	PCIe Gen4 x4 NVMe
NAND Type	QLC
Performance
Sequential Read	Up to 6,500 MB/s
Sequential Write	Up to 5,000 MB/s
Random Read IOPS	700,000
Random Write IOPS	650,000
Endurance & Reliability
Endurance (TBW)	2,400 TBW
MTBF	1,500,000 hours
Warranty	5-year limited
Product
Brand	Lexar
MPN	LNQ780X004T-RNNNU
Physical
Weight	0.064 kg
Package Dimensions	20.32 x 17.78 x 15.24 cm

Support & Downloads

Lexar NQ780 4TB NVMe SSD Firmware UpdateLatest firmware · Check Lexar support

Lexar Support →

Lexar NQ780 4TB NVMe SSD DatasheetPDF · Technical specifications

Lexar Support →

← Back to Lexar SSD Catalog

Frequently Asked Questions

Is the Lexar NQ780 4TB NVMe compatible with my motherboard?

The Lexar NQ780 4TB NVMe SSD uses a M.2 2242 form factor with PCIe Gen4 x4 NVMe interface. It is compatible with any motherboard that has a matching M.2 2242 slot. This includes AMD AM5/AM4 and Intel LGA 1851/LGA 1700 platforms. PCIe is backward-compatible, so older PCIe generation slots will work at reduced bandwidth.

What systems is the Lexar NQ780 4TB NVMe designed for?

The Lexar NQ780 4TB NVMe SSD is designed for desktop PCs and workstations with M.2 2242 support. Check your system's storage interface specifications for compatibility.

What is the endurance rating of the Lexar NQ780 4TB NVMe?

The Lexar NQ780 4TB NVMe SSD is rated for 2,400 TBW with a 1,500,000 hours MTBF, backed by a 5-year limited warranty. At typical consumer usage of ~50 GB/day, this provides years of reliable operation.

How fast is the Lexar NQ780 4TB NVMe?

The Lexar NQ780 4TB NVMe SSD delivers Up to 6,500 MB/s sequential read and Up to 5,000 MB/s sequential write speeds. Random I/O performance: 700,000 read IOPS and 650,000 write IOPS.

What type of NAND does the Lexar NQ780 4TB NVMe use?

The Lexar NQ780 4TB NVMe SSD uses QLC flash memory with 4TB storage capacity. QLC NAND provides excellent value for large-capacity storage.

JSON-LD Structured Data — Product + FAQ + Breadcrumb

Product: Lexar NQ780 4TB NVMe SSD
MPN: LNQ780X004T-RNNNU
Schemas: Product + BreadcrumbList + FAQPage
Properties: 12 additionalProperty entries
Related: 5 isRelatedTo links