# Lexar NQ790 2TB NVMe SSD specifications (2026)

Should you buy Lexar NQ790 2TB and another specs watch here.

Quick answer: NQ790 (2TB) produced by Lexar support PCIe Gen4 that is significantly faster than previous bus standard. The sequential write speed is 6500 Mbps, that is faster than has most of competitors. The Internal SSD has endurance 600 TBW, that is not much against rivals. On balance, our editor strongly recommend to purchase Lexar NQ790 2TB for your PC.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 2 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 works on PCIe M.2 4.0 x 4 bus with maximum write speeds 6500 Mbps, and read speeds 7400 MB/s. This model has input/output performance 6500000 on writing and 7400000 on reading operations per second.

## Endurance, TBW & Warranty

Manufacturer give 1 years of warranty limited by endurance 600 TBW. The NQ790 has 2000000 million hours mean time between failure.

## Pros and Cons

**Pros:**

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

- Writing speed


## Verdict

NQ790 (2TB) produced by Lexar support PCIe Gen4 that is significantly faster than previous bus standard. The  sequential write speed is 6500 Mbps, that is faster than has most of competitors. The Internal SSD has endurance 600 TBW, that is not much against rivals. On balance, our editor strongly recommend to purchase Lexar NQ790 2TB for your PC.

## Frequently Asked Questions

### Does Lexar NQ790 2TB have DRAM?

The Lexar NQ790 has No. DRAM in their controller help to improve endurance and IOPS.

### Does Lexar NQ790 2TB need a heatsink?

The Lexar NQ790 due to the high density of memory chips you need to install of extra heat sink. It would decrease temperature of the memory chips and controller. Some motherboards or laptops already has thermal pads below or above the SSD to improve performance during high loads.

### Is NQ790 2TB good?

The NQ790 2TB has write speed 6500 Mb/s, sequential read speed 7400 Mb per second. Storage works on Maxiotech MAP-1602A controller and M.2 4.0 x 4 high-speed serial computer expansion bus standard. The NAND memory type is YMTC 128-LTLC.

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Last updated: 2026-08-27. Source: https://ssdrive.net/lexar-nq790-2-tb