As of late October 2026, the 4TB Samsung 990 Pro SSD is on sale at Amazon for $799.90, marking a 27% discount from its standard list price of $1,099.99 and matching its best pricing since July for creators and gamers seeking high-speed PCIe 4.0 storage.
Storage hunters looking to expand high-performance rigs can secure significant savings on high-capacity solid-state drives. The popular Samsung SSD 990 PRO 4TB has dropped by $300.09 from its regular retail rate, bringing the drive down below the $800 threshold across major online retail listings.
Pricing Shifts and Performance Specs for the Samsung 990 Pro 4TB
While component pricing has faced upward pressure from broader industry trends throughout 2026, current retail discounts offer some relief for high-end users. The drive previously spiked to its highest-ever Amazon price of $1,099, but the latest markdown returns the hardware to its best price since July.
SAMSUNG 4TB SSD PRICE ERROR????NOW $314 ON AMAZON (reg $1,049)https://t.co/GcAd60JxUx #ad4TB is priced lower than 2TBGoes for $700 elsewhere – SHIPPED BY AMAZON! pic.twitter.com/TstT4AtIyC
— https://x.com/Pricerrors/status/2084221687588134949
Under the hood, the M.2 2280 drive maintains sequential read speeds of up to 7,450 MB/s and sequential write speeds reaching 6,900 MB/s. Reviewers emphasize that the hardware delivers robust random performance figures, achieving up to 1.6 million IOPS for reads and 1.55 million IOPS for writes. Tom’s Hardware notes that the drive works out to roughly 20 cents per gigabyte at the discounted rate, supported by 236-layer TLC V-NAND flash memory and a 10GB pSLC cache that allows sustained write speeds of 6.2 GB/s for 75 seconds. Previously holding the title of the fastest PCIe Gen 4 drive available before newer PCIe 5.0 hardware entered the market, the model uses a single-sided design to fit easily into space-constrained systems.
In power efficiency evaluations, the drive delivers 421.1 MB/s per watt, placing it ahead of numerous competitors. Users can further manage their hardware via Samsung’s Magician software, which handles firmware updates, health monitoring, and performance checks.
Professional Workloads and Expert Assessments
The 4TB variant carries an endurance rating of 2,400 TBW backed by a five-year limited warranty. TechRadar awarded the hardware a flawless five-star rating during testing.

an absolutely stellar M.2 SSD for both professional users and gamers alike. With solid capacities at a fair price and the fastest read/write performance of any PCIe 4.0 SSD we’ve tested, this SSD should definitely be at the top of your list if you’re looking to upgrade or do a new PC build.
John, expert reviewer via TechRadar
Testers add that large project assets load faster, making the hardware particularly well-suited for video editors handling raw image libraries and extensive video footage. For standard builds, the drive also functions smoothly inside a PlayStation 5 when installed according to Sony’s specific compatibility and cooling guidelines.
Alternative Capacity Discounts on Samsung NVMe Drives
Beyond the flagship 4TB tier, retailers have applied price cuts across other popular capacities within the Samsung lineup. Shoppers evaluating smaller builds can find marked-down pricing on 1TB and 2TB configurations, alongside related models tailored for different performance thresholds.

- Samsung 990 PRO 1TB: Reduced from $319.99 to $259.84 at Amazon.
- Samsung 990 PRO 2TB: Reduced from $639.99 to $409.99 at Amazon.
- Samsung 990 EVO Plus 2TB: Dipped to a six-month low of $362, down from its recent high of $580, featuring sequential read speeds up to 7,250 MB/s and write speeds up to 6,300 MB/s.