Samsung
Samsung 990 PRO NVMe M.2 SSD (MZ-V9P4T0BW)
Bottom line: The Samsung 990 PRO NVMe M.2 SSD ($965.99 on Amazon as of 2026-10-06): 7,450 MB/s sequential reads, near the PCIe 4.0 ceiling; main trade-off: PCIe 4.0, not PCIe 5.0 - slower than newest-gen drives.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ 7,450 MB/s sequential reads, near the PCIe 4.0 ceiling
- ✓ 6,900 MB/s writes speed up 4K video and 3D cache transfers
- ✓ Full 4 TB in one M.2 2280 stick, no drive juggling
- ✓ Heat spreader plus Dynamic Thermal Guard guards against overheating
Cons
- ✗ PCIe 4.0, not PCIe 5.0 - slower than newest-gen drives
- ✗ 4 TB tier carries a steep premium over 1 TB and 2 TB
- ✗ Samsung Magician is Windows-only for firmware and tuning
- ✗ M.2 2280 only, so no 2230 fit for handhelds like Steam Deck
Manufacturer description
The Samsung 990 PRO 4TB NVMe M.2 SSD is built for systems where storage speed is the bottleneck. It hits sequential reads of up to 7,450 MB/s and writes of up to 6,900 MB/s over PCIe 4.0, which is enough headroom to load AAA game worlds quickly, scrub 4K timelines without proxy files, and move large 3D project caches between drives. At 4 TB in a single 2280 M.2 stick, you get room for a full Steam library plus active video projects without juggling external drives. Thermals are handled by a nickel-coated heat spreader paired with Samsung's Dynamic Thermal Guard, which throttles to protect…
SpecPicks Verdict
SpecPicks scored Samsung 990 PRO NVMe M.2 SSD using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. Samsung's ssds & storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for ssds & storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Frequently Asked Questions
How fast is the Samsung 990 PRO 4TB?
Up to 7,450 MB/s sequential read and 6,900 MB/s sequential write over PCIe 4.0. Samsung lists those same speeds across the 1 TB through 4 TB capacities.
Will the 990 PRO fit my laptop or motherboard?
It uses the M.2 2280 form factor, the most common size on desktop motherboards and full-size notebooks. Confirm your machine has a free M.2 2280 slot before ordering.
Does the 990 PRO overheat during long transfers?
Samsung pairs a heat spreader with Dynamic Thermal Guard technology to manage temperature during sustained workloads. Adequate case airflow or a motherboard M.2 heatsink still helps on heavy write sessions.
Is this a good SSD for gaming and 4K video editing?
Yes - Samsung positions it for high-end PC gaming plus 4K video, 3D editing, and data analytics. The 4 TB capacity holds a large game library and active project files at once.
Do I need extra software to manage the drive?
No, it works as a standard NVMe drive, but the included Samsung Magician utility handles firmware updates, drive health checks, and performance optimization. Check the product listing for current warranty terms.
Key Features
- High-performance PCIe 4.0 NVMe SSD for high-end PC gaming as well as 4K video and 3D editing, data analytics and more.
- Exceptional speed: Sequential read/write speeds of up to 7,450 MB/s and 6,900 MB/s respectively for all variants from 1 to 4 TB of storage capacity.
- High reliability and long-lasting performance thanks to Heat Spreader and Dynamic Thermal Guard technology to protect against overheating
- Storage capacities of up to 4 TB in compact M.2 form factor (2280), Ideal for high-performance (gaming) PCs and notebooks/ultrabooks
- Easy drive management, with user-friendly Samsung Magician software for drive updates and performance optimisation
- What's in the box: 1 x Samsung 990 PRO NVMe M.2 SSD, Storage capacity: 4 TB
Full Specifications
| Brand | Samsung |
|---|---|
| Color | black |
| Model Name | 990 PRO SSD |
| Read Speed | 7450 megabytes_per_second |
| Unit Count | 1 Count |
| Form Factor | M2 |
| Media Speed | 6900 |
| Model Number | MZ-V9P4T0BW |
| Compatibility | PC |
| Built-In Media | SSD, Samsung Magician software |
| Hard-Drive Size | 4 TB |
| Mfr Part Number | MZ-V9P4T0BW |
| Number of Items | 1 |
| Special Feature | Portable |
| Exceptional speed | Sequential read/write speeds of up to 7,450 MB/s and 6,900 MB/s respectively for all variants from 1 to 4 TB of storage capacity. |
| Hardware Platform | Not Machine Specific |
| Installation Type | Internal Hard Drive |
| What's in the box | 1 x Samsung 990 PRO NVMe M.2 SSD, Storage capacity: 4 TB |
| Compatible Devices | Desktop, Laptop, PC |
| Data Transfer Rate | 7450 megabits_per_second |
| Full listing title | Samsung 990 PRO NVMe M.2 SSD, 4 TB, PCIe 4.0, 7,450 MB/s Read, 6,900 MB/s Write, Internal SSD, for Gaming and Video Editing, MZ-V9P4T0BW |
Ready to buy?
Samsung 990 PRO NVMe M.2 SSD, 4 TB, PCIe 4.0, 7,450 MB/s Read, 6,900 MB/s Write, Internal SSD, for Gaming and Video Editing, MZ-V9P4T0BW is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
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