The NM790 is a value and density story

The Lexar NM790 combines PCIe 4.0 performance with capacities reaching 8TB. It often competes below premium DRAM-equipped models, making price per terabyte central to the decision. A buyer should compare the exact capacity rather than using a family-wide “budget” label.

The 4TB and 8TB versions are particularly relevant for game libraries, media collections and compact systems. One high-capacity module preserves M.2 slots, while multiple smaller drives may cost less. Cloudzat shows the live capacity premium so the density benefit can be priced explicitly.

HMB architecture changes the comparison

The NM790 uses Host Memory Buffer rather than onboard DRAM for its mapping cache. This design helps reduce component cost and power while retaining strong consumer performance. It is not automatically inferior, but it differs from premium drives with dedicated DRAM.

For gaming, general productivity and many creator tasks, the architecture can provide excellent value. Very write-heavy or latency-sensitive professional workloads may justify a DRAM-equipped alternative. The product table labels HMB so buyers do not compare only sequential speed and ignore the controller design.

The 8TB model has a distinct speed and layout profile

Official documentation rates most capacities up to 7,400MB/s read, while the 8TB version is rated up to 7,000MB/s read and 6,200MB/s write. The difference is modest beside the gain in capacity, but it demonstrates that one performance number should not be applied blindly across the range.

The 1TB through 4TB models are documented as single-sided, while the 8TB model is double-sided. That can affect fit in laptops and low-profile enclosures. Desktop sockets generally offer more tolerance, but the motherboard cover and thermal pads should still be checked.

Heatsink availability stops at a different capacity

Lexar offers factory-heatsink NM790 variants through 4TB, while the 8TB option is commonly sold as a bare drive. A console buyer considering 8TB therefore needs a compatible separate heatsink. Cloudzat keeps integrated-heatsink and bare offers separate rather than comparing unlike installation packages.

For a motherboard with its own M.2 cooler, the bare version is appropriate. For PlayStation 5, include the cooler cost and verify dimensions. An accessory listing is excluded unless the SSD itself is present, protecting the capacity median from unrealistically low prices.

PS5 and game-library economics

The NM790’s Gen 4 performance class makes it a popular console and gaming candidate. Capacity may matter more than a small benchmark difference because large games create repeated deletion and download cycles. A 2TB or 4TB model can offer a practical balance, while 8TB targets buyers who value maximum density.

The cheapest price per terabyte is not the only factor. A separate heatsink, installation fit and the amount of storage likely to remain unused should be included. The planner filters cooling and host requirements before calculating a current median purchase estimate.

Compare NM790 with TLC premium and QLC value drives

The NM790 is commonly positioned between basic QLC products and premium TLC drives with dedicated DRAM. Compare current price, workload and capacity. A cheaper QLC drive can be adequate for read-heavy storage, while a more expensive DRAM model may provide stronger behavior under sustained mixed workloads.

Against the Samsung 990 PRO, SN850X or T500, the NM790 often competes on capacity value and efficiency rather than absolute premium features. The correct purchase depends on whether the saved money buys useful additional capacity or whether the workload benefits from the competitor’s architecture.

Why a low 8TB price deserves exact-SKU verification

High-capacity SSD listings are frequently targeted by misleading capacity claims and accessory confusion. A genuine NM790 offer should provide a recognizable Lexar model number, correct interface and credible price relative to verified products. A dramatic outlier should be reviewed rather than automatically ranked first.

Cloudzat checks the family, capacity, product type and exact SKU evidence, then applies suspicious-price controls. It still cannot inspect the physical item in advance. Buyers should use a reputable seller, verify the package and test the full capacity after delivery before entrusting important data to the drive.

Interpreting NM790 price history

The model range can produce a moving family median because 1TB and 8TB inventory occupy very different price levels. Cloudzat records real daily observations and deduplicates canonical variants. It does not create historical data for dates before tracking began.

Use the chart for market direction and the capacity groups for the purchase. A temporary 1TB sale can lower the family median without making the 8TB model cheaper. Filter capacity and cooling before deciding whether the current exact offer is above or below recent conditions.

NM790 buying and installation checklist

Confirm the LNM790 part number, capacity, cooling version, condition and seller. For laptops, verify sidedness and module clearance, especially at 8TB. For consoles, ensure a compliant heatsink is included or budgeted separately.

After installation, confirm PCIe link speed, temperature and health. Test the reported capacity before storing the only copy of valuable files. Keep firmware and system software current, and maintain independent backup regardless of the attractive cost per terabyte.

• Verify that the 8TB double-sided module fits the laptop, enclosure or motherboard cover.
• Add the price of a compliant heatsink when planning a PlayStation 5 installation.
• Use the exact LNM790 code to distinguish the SSD from accessories and unrelated variants.
• Test the full reported capacity after delivery before moving the only copy of important files.
• Compare HMB architecture with the actual workload instead of assuming onboard DRAM is always required.