# Lexar NQ790 1TB NVMe SSD detailed specifications (2026)

Lexar's NQ790 SSD use PCIe M.2 4.0 x 4 computer expansion bus standard. Detailed characteristics of this SSD  on this site.

Quick answer: NQ790 (1TB) produced by Lexar support PCIe Gen4 that is significantly faster than PCIe 3. The maximum write speed is 6500 Mbps, that is faster than has other rivals. The Lexar NQ790 provide possibility to write 600 TBW, that is not much against rivals. Overall, our site recommend to have Lexar NQ790 1TB for your PC.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 1 TB |
| Interface | M.2 4.0 x 4 |
| Controller | Maxiotech MAP-1602A |
| Memory type | YMTC 128-LTLC |
| DRAM cache | No |
| Sequential read | 7400 MB/s |
| Sequential write | 6500 MB/s |
| Random read IOPS | 7400000 |
| Random write IOPS | 6500000 |
| Endurance | 600 TBW |
| MTBF | 2000000 |
| Warranty | 1 years |

## Performance

Internal SSD use PCIe M.2 4.0 x 4 bus with sequential read speeds 7400 Mbps, and write speeds 6500 Mbps. It also has input/output performance 6500000 on writing and 7400000 on reading operations per second.

## Endurance, TBW & Warranty

Lexar provide 1 years of warranty that limited by endurance 600 Total Bytes Written. As well it has 2000000 million hours MTBF.

## Pros and Cons

**Pros:**

- Excellent writing speed
- PCIe 4.0
- Capacity
**Cons:**

- Writing speed


## Verdict

NQ790 (1TB) produced by Lexar support PCIe Gen4 that is significantly faster than PCIe 3. The  maximum write speed is 6500 Mbps, that is faster than has other rivals. The Lexar NQ790 provide possibility to write 600 TBW, that is not much against rivals. Overall, our site recommend to have Lexar NQ790 1TB for your PC.

## Frequently Asked Questions

### Is NQ790 1TB DRAMless?

The Lexar NQ790 has No. Dynamic Random-Access Memory in their controller help to increase endurance and input/output performance.

### Does Lexar NQ790 1TB need a heatsink?

The Lexar NQ790 due to the low density of memory chips may work with no extra cooling systems. Some motherboards from the factory has thermal pads below and above the drive for improving performance during high loads.

### Is the Lexar NQ790 1TB fast?

The Lexar NQ790 1TB has sequential write speed 6500 Mbps, maximum read speed 7400 Mb per second. NVMe operate on Maxiotech MAP-1602A controller and M.2 4.0 x 4 interface standard. The memory type is YMTC 128-LTLC.

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Last updated: 2026-08-27. Source: https://ssdrive.net/lexar-nq790-1-tb