Samsung 9100 PRO 1000GB

The Samsung 9100 PRO 1000GB is Samsung's flagship PCIe 5.0 enthusiast drive, built on a fully vertically integrated architecture. It uses a Samsung proprietary 5nm Gen5 controller and dedicated LPDDR4 DRAM for mapping table management, paired with Samsung V-NAND TLC optimized for burst throughput. Thermal dissipation is a critical operational factor for sustained transfers near the drive's ~14 GB/s limits, and the drive uses an improved TurboWrite SLC caching algorithm compared to the 990 PRO to provide a larger pseudo-SLC buffer before write speeds fall to native TLC levels. The drive also supports Samsung Magician software integration for firmware updates and performance optimization.

Key Specifications

• Interface: PCIe 5.0 x4 / NVMe 2.0
• Sequential Read: Up to 14,700 MB/s
• Sequential Write: Up to 13,300 MB/s
• Controller: Samsung Proprietary (Gen5 Architecture)
• NAND Type: Samsung V-NAND TLC
• DRAM Cache: Yes (LPDDR4)
• Form Factor: M.2 2280 (Single-sided PCB)
• Encryption: AES 256-bit Encryption (Class 0) / TCG Opal / IEEE1667 (Encrypted Drive)

Hardware Alternatives

• Crucial T700 1000GB: These drives represent the primary competition in the PCIe 5.0 tier, utilizing the Phison E26 controller paired with Micron 232-layer NAND. While sequential speeds are comparable, the 9100 PRO typically differentiates itself through superior random 4K read/write performance at low queue depths.
• Corsair MP700 PRO: Paired with the Crucial T700 as primary competition in the PCIe 5.0 tier, sharing similar Phison E26-based reference design characteristics and comparable sequential performance.
• Western Digital WD_BLACK SN8100 1000GB: The major vertically integrated competitor using in-house SanDisk/WD NAND and controllers, offering a close architectural rival to Samsung and often trading blows in power efficiency rather than raw sequential maximums.
• Samsung 990 PRO 1000GB: The 9100 PRO's TurboWrite SLC caching algorithm is described as improved compared to the 990 PRO, allowing a larger pseudo-SLC buffer before write speeds degrade to native TLC levels.