Lexar NM790 2TB PCIe 4.0 Review: Specs, Pros and Cons

What stands out

• 2TB of storage capacity for large games and libraries
• PCIe Gen 4x4 interface for high-speed data transfer
• Compact M.2 form factor fits most modern devices
• Slim profile at just 0.08 inches in height

Who it fits

Key specs explained

Storage Capacity: 2TB

This value indicates the total amount of data you can store on the drive. A 2TB capacity allows you to keep large game libraries, extensive video projects, and numerous system backups without running out of space. You should compare this to smaller 1TB or 500GB models to ensure you have enough room for your specific workflow and future file growth.

Interface: PCIe Gen 4x4

This specification defines how the drive communicates with your computer motherboard. PCIe Gen 4x4 offers significantly higher bandwidth than older PCIe 3.0 drives or standard SATA connections. This results in faster load times for games and quicker file transfers. You should verify that your system supports PCIe 4.0 to utilize this speed, as older motherboards may limit performance.

Form Factor: M.2

This refers to the physical shape and connection type of the drive. An M.2 form factor means the drive is a small, rectangular stick that plugs directly into a slot on your motherboard. This design saves space inside your case compared to larger 2.5-inch drives. You need to ensure your motherboard has an available M.2 slot for installation.

Model: LNM790X002T-RNNNG

This is the unique identifier for this specific product configuration. Use this model number when checking for firmware updates, verifying warranty status, or comparing exact specifications with other listings. It ensures you are referencing the precise 2TB variant of the NM790 series, distinguishing it from other capacities or older revisions of the same product line.

Physical Design and Build Quality

The Lexar NM790 2TB arrives in a standard M.2 form factor with a compact black finish. According to the listing, the drive measures 3.15 inches in length, 0.87 inches in width, and 0.08 inches in height. This slim profile is critical for modern systems. It allows the drive to fit into tight spaces. You can install it in most current laptops and compact desktops without clearance issues. The low height ensures it sits flush with the motherboard or slot. This reduces the chance of interference with nearby components or cooling fans.

Weight is another practical detail. The listing specifies a weight of 0.35 ounces. This light mass makes handling easy during installation. You do not need special tools or significant force to secure the drive. The simple rectangular layout lacks moving parts. This design contributes to durability. It also means there are no noise concerns during operation. The black color helps it blend into most internal chassis designs. You will not notice it visually once installed. The PCIe Gen 4x4 interface defines its connectivity. This standard ensures compatibility with modern motherboards. You should verify your system supports this interface for optimal performance. The physical design prioritizes fit and function over aesthetics.

Setup and everyday use

Installing this drive is straightforward for most modern systems. The M.2 form factor allows you to slide the unit directly into an available slot on your motherboard. Its slim height of 0.08 inches helps ensure compatibility with tight spaces, such as laptops or compact desktop cases. You do not need additional cables or external power adapters. The drive connects via the PCIe Gen 4x4 interface, which is standard for current generation motherboards. This connection provides the necessary bandwidth for high-speed data transfer.

Once installed, the operating system recognizes the 2TB capacity immediately. You will see the full storage space available for your files, games, and applications. The NVMe protocol ensures that the drive communicates efficiently with your system, reducing latency compared to older SATA models. This efficiency means faster boot times and quicker loading of large files.

For daily tasks, the PCIe 4.0 interface supports rapid read and write speeds. You can copy large video files or install multiple games without significant delays. The 2TB size offers ample room for extensive libraries and project archives. This configuration suits users who need reliable, high-speed internal storage for demanding workflows. The compact design keeps your build clean while delivering robust performance for everyday computing needs.

Key Checks Before Buying

Before you commit to the Lexar NM790 2TB, verify your motherboard supports PCIe Gen 4x4. This interface delivers the speed the drive promises. If your system only handles Gen 3, you will see reduced performance. The M.2 form factor fits most modern laptops and desktops, but check your available slot size. The 0.08-inch height is standard, yet some thin chassis may have clearance issues. You should also ensure your BIOS is updated for best compatibility. This drive sits firmly in the high-performance NVMe category. It differs from SATA options by offering significantly faster data transfer rates. It competes with other Gen 4 drives that may offer higher sequential speeds but at a larger physical footprint. Consider your thermal environment. High-speed controllers generate heat. You might need a heatsink if your motherboard lacks one. Proper cooling maintains consistent performance during large file transfers. This unit is ideal for users who prioritize speed and capacity in a compact form. It suits gamers and content creators who need quick load times and ample storage space without the bulk of older drives.

Check before you buy

• Confirm your motherboard has an available M.2 PCIe Gen 4x4 slot.
• Check physical clearance for the 0.08-inch height in your chassis.
• Ensure your BIOS is updated for optimal drive compatibility.
• Verify if you need an additional M.2 heatsink for cooling.

The product at a glance

1

Lexar NM790 2TB PCIe 4.0 M.2 SSD

Best for: Compact systems needing high capacity

Storage Capacity

2TB

Interface

PCIe Gen 4x4

Form Factor

M.2

Dimensions

3.15 × 0.87 × 0.08 inches

Weight

0.35 ounces

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The Lexar NM790 is a 2TB M.2 NVMe drive built for PCIe Gen 4x4 connections. It measures 3.15 by 0.87 inches and weighs just 0.35 ounces. This compact form factor fits standard M.2 slots in laptops and desktops. You get substantial storage space in a small package. It suits users who need reliable high-speed data access without taking up much physical room.

Pros

• 2TB storage capacity
• PCIe Gen 4x4 interface
• Compact M.2 form factor
• Lightweight at 0.35 ounces

Cons

• No included heatsink
• No DRAM cache listed

Good fit if

• You need extra storage for games or media
• You have limited space in your device
• You want a standard M.2 drive

Skip if

• You require a drive with a built-in heatsink
• You need PCIe Gen 5 speeds
• You prefer SATA connectivity

Verdict: Lexar NM790 2TB PCIe 4.0 SSD provides ample storage in a tiny footprint. It is a solid option for users upgrading laptops or desktops who prioritize capacity over bulk.

Specifications side by side

Frequently asked questions

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