# Lexar NM790 8TB SSD detailed specifications (2026)

Lexar's NM790 use PCIe M.2 4.0 x 4 interface. Detailed characteristics of this SSD  on this site.

Quick answer: NM790 (8TB) produced by Lexar support PCIe Gen4 that is undoubtedly faster than PCIe 3. The maximum write speed is 6500 Mbps, that is faster than has most of rivals. The drive has endurance 1 TBW, that is not much compared to closest rivals. After evaluating all the facts, we recommend to have Lexar NM790 8TB for your PC.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 8 TB |
| Interface | M.2 4.0 x 4 |
| Controller | Maxiotech MAP1602A |
| Memory type | YMTC 232-L TLC |
| DRAM cache | No |
| Sequential read | 7400 MB/s |
| Sequential write | 6500 MB/s |
| Random read IOPS | 7400000 |
| Random write IOPS | 6500000 |
| Endurance | 1 TBW |
| MTBF | 2000000 |
| Warranty | 3 years |

## Performance

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

## Endurance, TBW & Warranty

Lexar give 3 years warranty period limited by 1 TBW. The NM790 has 2000000 million hours mean time between failure.

## Pros and Cons

**Pros:**

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

- Writing speed


## Verdict

NM790 (8TB) produced by Lexar support PCIe Gen4 that is undoubtedly faster than PCIe 3. The  maximum write speed is 6500 Mbps, that is faster than has most of rivals. The drive has endurance 1 TBW, that is not much compared to closest rivals. After evaluating all the facts, we recommend to have Lexar NM790 8TB for your PC.

## Frequently Asked Questions

### Is Lexar NM790 DRAMless?

The Lexar NM790 has No. Dynamic Random-Access Memory makes drive work faster, but more expensive. 

### Does Lexar NM790 need a heatsink?

The Lexar NM790 due to the high density of memory chips you need to install of additional heat sink. It will lower temperature of the controller and memory. Some motherboards or laptops already has thermal pads above and below the SSD for improving performance during high loads.

### Is the Lexar NM790 fast?

The Lexar NM790 8TB has write speed 6500 Mbps, maximum read speed 7400 Mbps. It run on Maxiotech MAP1602A controller and M.2 4.0 x 4 interface standard. The NAND flash memory type is YMTC 232-L TLC.

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Last updated: 2026-08-30. Source: https://ssdrive.net/lexar-nm790-8-tb