Samsung T9 portable SSD and 4TB 990 Pro SSD announced

Samsung has unveiled its latest offerings in the SSD arena, introducing the Samsung Portable SSD T9 and the high-performance 990 Pro SSD with a 4TB storage option. Samsung T9 should support Thunderbolt 4, but theoretically, USB-C 3.2 Gen 2×2 would be sufficient to utilize the maximum data rate.

Samsung T9 portable SSD & 990 pro 4TB SSD

Samsung T9

Following in the footsteps of its popular predecessor, the Samsung Portable SSD T7 (starting from $70 on Amazon), the T9 model stands out with its textured and exceptionally sturdy housing. This portable SSD comes with significant technology upgrades, doubling its storage capacity from 2 TB to 4 TB and ramping up its maximum bandwidth from 1,050 MB/s to 2,000 MB/s. This enhancement makes the new T9 nearly twice as fast as its forerunner.

In terms of compatibility, the Samsung SSD T9 works seamlessly with standard USB-C ports. To unleash its full-speed potential, a minimum of USB-C 3.2 Gen 2×2 is required. The packaging clearly states its compatibility with Windows, macOS, and Android operating systems.

The pricing for the T9 starts at $139.99 for the 1 TB version, $239.99 for the 2 TB version, and $439.99 for the 4 TB model. Pre-orders are currently available on and, with the official release set for October 16, 2023.

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Samsung 4TB 990 Pro

Samsung has also introduced the 990 Pro SSD with an impressive storage capacity of 4 TB, targeting customers who demand top-tier performance without compromising on capacity. The maximum data transfer rate for this model reaches up to 7,450 MB/s, specifically in sequential reading.

Samsung T9 portable SSD & 990 pro 4TB SSD

In real-world scenarios, this speed is achievable when handling large, contiguous data like movie files. The sequential write speed reaches up to 6,900 MB/s, and it supports up to 1,600,000 simultaneous input and output operations with a file size of 4 KB and a queue depth of 32.

This SSD connects through four PCIe 4.0 lanes using the NVMe 2.0 protocol, enabling these high data transfer rates. Samsung emphasizes the SSD’s energy efficiency and cooling capabilities, ensuring optimal performance.

The controller is efficiently cooled with a nickel coating, and despite its high capacity, the 990 Pro with 4 TB can be installed in devices with limited height, thanks to its one-sided assembly. Utilizing the popular M.2 2280 format, it fits most devices with an M.2 slot.

The new Samsung 4TB 990 Pro SSD is now available for $344.99 on and Customers can opt for a heat sink at an additional cost of $10. These offerings mark Samsung’s continued commitment to delivering cutting-edge storage solutions for a diverse range of users.

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