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Lexar

Lexar NM620 1TB M.2 2280 PCIe Gen3x4 NVMe Internal SSD

SKU CH-9J86-1QWX6

M.2 2280 NVMe drive with 1TB of 3D TLC storage delivering 3300 MBps read and 3000 MBps write for PC enthusiasts and gamers

  • Total capacity1 TB
  • Sequential read speedUp to 3,300 MB/s
  • Sequential write speedUp to 3,000 MB/s
  • Interface typePCIe Gen3 × 4 NVMe
  • Form factorM.2 2280
  • Product typeInternal Solid State Drive (SSD)

Capacity 1TB

  • Up to 3300 MB/s sequential read for fast boot and load times
  • Up to 3000 MB/s sequential write to move large files quickly
  • 300,000 IOPS random read and 256,000 IOPS random write for responsive multitasking
  • 5 million hours MTBF and 500 TBW for long-term reliability
  • M.2 2280 form factor fits standard laptop and desktop slots

Lexar NM620 1TB PCIe Gen3x4 NVMe

The Lexar NM620 is a 1TB internal SSD built for consumer PCs and gaming rigs. It uses a PCIe Gen3x4 NVMe 1.4 interface in the M.2 2280 form factor and stores data on 3D TLC NAND. The drive targets users who want faster load times and snappier system responsiveness than a SATA drive can deliver.

Sustained workload behaviour

Sequential reads reach up to 3300 MBps and writes up to 3000 MBps, while random 4KB performance hits 300000 IOPS read and 256000 IOPS write. LDPC error correction helps maintain data integrity during long sessions. The controller draws a maximum of 3497 mW during reads and 3196 mW during writes, and the drive is rated for 500TB total bytes written and 1500000 hours MTBF.

Build quality and daily implications

The single-sided M.2 2280 board measures 80.00mm by 22.00mm by 2.25mm and weighs 9.00g, so it fits standard laptop and desktop slots without clearance issues. With no moving parts it survives 1500G shock and 20G vibration across 10 to 2000 Hz. Operating temperature spans 0°C to 70°C, while storage tolerance stretches from -40°C to 85°C.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $205.99
Pricier than about 55% of the 1,994 comparable items (median $180.49).
Total capacity 1 TB
Typical for this category: the median of 1,368 items is 1 TB.
Sequential read speed Up to 3,300 MB/s
Higher than about 58% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $205.99 per TB
Pricier than about 62% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameLexar
Product lineNM620
Model nameLNM620 × 001T-RNNNG
Total capacity1 TB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 3,300 MB/s
Sequential write speedUp to 3,000 MB/s
Random read (4K)Up to 300,000 IOPS
Random write (4K)Up to 256,000 IOPS
Storage
NAND flash type3D TLC
Ports & slots
Interface typePCIe Gen3 × 4 NVMe
Power
Active power drawActive write: 3196 mW
Active read: 3497 mW (Maximum)
Size & build
Form factorM.2 2280
Overall height2.25 mm
Overall width22 mm
Product depth80 mm
Product weight9g
Environment & compliance
Operating temperature range0 °C to 70 °C
Storage temperature range-40 °C to 85 °C
Max shock tolerance1500G
Vibration tolerance10 to 2000 Hz, 1.5 mm, 20G, 1 Oct/min, 30 min/axis (X,Y,Z)
More details
Mean time between failures1,500,000 h

Other versions of this model

2 more in the same range

Questions about this item

How much heat and power will the NM620 1TB generate when running all day?

Active write power is 3196 mW and active read power is up to 3497 mW. Operating temperature range is 0°C to 70°C, so sustained workloads stay within that envelope without active cooling.

What must my motherboard already have for this M.2 2280 NVMe drive to work?

An M.2 2280 slot wired for PCIe Gen3x4 NVMe 1.4. The drive is 22 mm wide and 80 mm long, so the slot must accept the 2280 form factor.

Will the NM620 1TB work alongside my older SATA SSD or HDD?

Yes. It connects via a separate PCIe NVMe lane, so it does not share bandwidth with SATA ports. You can keep existing SATA drives for capacity while the NM620 handles the OS and active games at up to 3300 MB/s read and 3000 MB/s write.

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