Samsung 9100 Pro SSD Review

Is the Samsung 9100 Pro SSD Your DREAM Gen5 SSD?

Samsung has officially entered the PCIe 5.0 market with the release of the 9100 PRO Series SSD, its first high-performance consumer Gen 5 NVMe SSD. Unlike previous Samsung SSD releases that focused on mainstream users, this drive is built for professionals, power users, and AI-driven workloads. Featuring sequential read speeds of up to 14,800 MB/s and write speeds reaching 13,400 MB/s, the 9100 PRO is aimed at content creators, data analysts, and enterprise users who require fast and reliable storage solutions. Available in 1TB, 2TB, 4TB, and an upcoming 8TB model, this SSD is one of the highest-capacity consumer NVMe drives ever released by Samsung. With Samsung’s in-house controller, V-NAND TLC (V8) flash memory, and LPDDR4X DRAM-based caching, the 9100 PRO is designed to offer both high-speed data transfer and long-term durability. Power efficiency has also been improved by up to 49% compared to its predecessor, the 990 PRO, making it a more energy-conscious choice for intensive applications. However, despite its impressive technical specifications, the 9100 PRO enters a market where PCIe 5.0 SSDs have been available for nearly two years from competitors such as Seagate and Crucial. This review will assess whether Samsung’s late entry to the Gen 5 SSD market delivers a significant performance advantage or whether its delayed release puts it at a competitive disadvantage. In this review, we will examine the hardware and design of the 9100 PRO, compare it against Samsung’s previous generation 990 EVO and EVO Plus SSDs, and analyze its performance across multiple benchmarks to determine if it truly offers a measurable advantage over existing PCIe 5.0 SSDs. Finally, we will consider its pricing and availability, and whether this drive is a worthwhile investment for users looking to upgrade their storage solutions in 2025.

Samsung 9100 SSD Review – Quick Conclusion

The Samsung 9100 PRO SSD is a true PCIe 5.0 Gen4x4 drive, delivering industry-leading speeds of up to 14,800 MB/s read and 13,400 MB/s write, making it one of the fastest consumer SSDs available. Unlike many competitors using third-party controllers from Phison and Micron NAND, the 9100 PRO is fully in-house, featuring Samsung’s Presto PCIe 5.0 controller and V-NAND TLC (V8) for tighter hardware-firmware integration, improved power efficiency (up to 49% better than earlier Gen5 SSDs), and high endurance (up to 4,800 TBW on the 8TB model). Random performance is excellent, reaching 2,200K IOPS read and 2,600K IOPS write, making it a strong choice for AI workloads, video production, and large-scale data processing. However, heat remains a challenge, as the drive can reach 81°C under sustained workloads, requiring active cooling or Samsung’s optional heatsink model. Pricing is premium, with some PCIe 5.0 competitors offering similar speeds at lower costs due to earlier releases. Additionally, while Samsung has a strong reputation for SSD reliability, firmware issues in past models like the 990 PRO and 980 PRO have left some users cautious. Despite these drawbacks, the 9100 PRO stands out as one of the most refined PCIe 5.0 SSDs, offering a high-endurance, fully in-house solution for demanding users.

BUILD QUALITY - 9/10

HARDWARE - 9/10

PERFORMANCE - 9/10

PRICE - 7/10

VALUE - 7/10

8.2

PROS

👍🏻Industry-Leading Speed – Offers sequential read speeds up to 14,800 MB/s and write speeds up to 13,400 MB/s, making it one of the fastest consumer SSDs available.
👍🏻
👍🏻Fully In-House Design – Uses Samsung’s proprietary Presto PCIe 5.0 controller and V-NAND TLC (V8), avoiding reliance on third-party controllers like Phison and Micron NAND, ensuring better hardware-firmware integration.
👍🏻
👍🏻High Endurance Rating – Provides up to 4,800 TBW on the 8TB model, making it ideal for high-intensity workloads like AI computing, video editing, and large-scale data transfers.
👍🏻
👍🏻Improved Power Efficiency – Samsung claims 49% better power efficiency compared to previous PCIe 5.0 SSDs, reducing heat output and improving overall energy consumption.
👍🏻
👍🏻Strong Random Performance – With up to 2,200K IOPS random read and 2,600K IOPS random write, it excels in workloads that involve frequent small file transactions, such as databases, virtual machines, and AI training models.
👍🏻
👍🏻Multiple Capacity Options – Available in 1TB, 2TB, 4TB, and 8TB, making it one of the first consumer PCIe 5.0 SSDs with an 8TB variant.
👍🏻
👍🏻Heatsink Version Available – Samsung provides an optional D8-compliant heatsink, ensuring better thermal regulation for sustained performance, especially for gaming consoles like PlayStation 5.
👍🏻
👍🏻A True Gen 5 SSD – Unlike the safe and comparatively underwhelming Samsung 990 EVO Plus, which only utilized PCIe 5.0 x2 lanes, the 9100 PRO fully utilizes PCIe 5.0 x4, delivering real next-generation speeds.

CONS

👎🏻High Thermal Output – Can reach 81°C under sustained workloads, requiring adequate cooling solutions, either through the heatsink model or third-party cooling options.
👎🏻
👎🏻Premium Pricing – Enters a PCIe 5.0 market where some competitors offer similar speeds at lower prices due to their earlier release, making it a costly investment for budget-conscious users.
👎🏻
👎🏻Samsung’s Firmware History – While Samsung has a strong reputation for SSD reliability, previous firmware issues in the 990 PRO and 980 PRO raised concerns, making some users cautious about potential long-term stability.

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Samsung 9100 SSD Review – Design and Hardware

The Samsung 9100 PRO SSD follows a standard M.2 2280 form factor, making it compatible with most modern motherboards and laptops that support PCIe 5.0. The PCB layout varies by capacity, with the 1TB and 2TB models featuring NAND chips only on one side, while the 4TB and 8TB versions have NAND chips on both sides of the PCB. Unlike previous Samsung SSDs, such as the 990 EVO, which featured single-sided designs for improved compatibility in laptops, the higher-capacity 9100 PRO models require additional NAND space, making them better suited for desktops and high-performance workstations.

The drive also includes a thermal pad on the back, which assists in heat dissipation when used with compatible motherboard heatsinks. Samsung offers a pre-installed heatsink variant for improved temperature management, utilizing a PCI-SIG D8-compliant design for the 1TB, 2TB, and 4TB models, while the 8TB heatsink version features a thicker 11.25mm design for enhanced cooling, making it compatible with PlayStation 5 storage expansion requirements.

At the core of the 9100 PRO SSD is Samsung’s Presto PCIe 5.0 controller, which represents a significant advancement over previous controllers used in Samsung SSDs. This custom in-house design allows the 9100 PRO to achieve nearly full PCIe 5.0 bandwidth saturation, enabling up to 14,800 MB/s read and 13,400 MB/s write speeds. Unlike the 990 EVO, which used a more power-efficient but limited PCIe 4.0 controller, the 9100 PRO benefits from an advanced controller architecture that enhances throughput and reduces latency.

Built on a 5nm process, this controller lowers power consumption compared to earlier PCIe 5.0 SSDs, improves thermal efficiency, and integrates advanced ECC and wear-leveling algorithms for better long-term reliability. Additionally, Samsung’s Presto controller features a larger DRAM buffer and optimized NAND channel management, allowing the 9100 PRO to deliver high sustained speeds under extended workloads.

Unlike the 990 EVO and 990 EVO Plus, which were DRAM-less SSDs relying on Host Memory Buffer (HMB) technology, the Samsung 9100 PRO integrates dedicated LPDDR4X DRAM, providing better caching and improved sustained write performance. The amount of DRAM scales with the drive’s capacity, with 1GB for 1TB models, 2GB for 2TB, 4GB for 4TB, and 8GB for 8TB.

This ensures that larger models handle large file transfers, database workloads, and AI-driven tasks more efficiently. The Presto controller’s enhanced memory mapping further improves the effectiveness of DRAM caching, ensuring lower latency and higher sustained write speeds. This is a notable advantage over competing PCIe 5.0 SSDs, many of which cut costs by removing DRAM and relying on slower caching solutions.

The 9100 PRO utilizes Samsung’s latest 3-bit MLC V-NAND (V8), which delivers higher density, improved durability, and greater efficiency compared to previous NAND generations. This 3-bit MLC (commonly referred to as TLC) enables faster read and write cycles, lower power consumption per operation, and improved reliability. Unlike older NAND designs used in PCIe 4.0 SSDs, the V8 NAND architecture allows for greater endurance and a more efficient distribution of read and write cycles, making it better suited for high-performance tasks such as video editing, AI computing, and professional content creation.

The 4TB and 8TB models benefit from additional NAND dies, increasing parallel processing capabilities and enabling higher performance under heavy workloads. Compared to Samsung’s previous consumer SSDs, the 9100 PRO’s NAND offers greater consistency in performance, reducing the risk of slowdowns due to write amplification and NAND wear over time.

Samsung rates the 9100 PRO with a Total Bytes Written (TBW) endurance rating of up to 4,800 TB for the 8TB model, with lower capacities following a scaled endurance pattern of 600 TB (1TB), 1,200 TB (2TB), and 2,400 TB (4TB). This results in a Drive Writes Per Day (DWPD) rating of approximately 0.328, meaning users can rewrite around one-third of the drive’s full capacity daily for five years before reaching the warranty limit.

Samsung claims on the 9100 PRO peak sequential read/write speeds (though based on hugely synthetic tests on an AMD Ryzen 9 7950x 16-Core Processor CPU@4.5GHz system) make it one of the fastest PCIe 5.0 SSDs available in 2025. These speeds nearly double those of the 990 EVO (more on that shortly) released around 4-5 months before. Additionally, random read and write speeds exceeding 2.2M and 2.6M IOPS, which is a major improvement for workloads requiring frequent small file transactions, such as AI modeling, LLM training, and cloud storage applications. However, real-world performance may vary depending on factors such as cooling, system architecture, and workload type, which will be explored in the performance testing section of this review.

Samsung also emphasizes the power efficiency gains of the 9100 PRO, stating that the new controller and NAND design allow for up to 49% better efficiency than the previous generation 990 PRO. Power consumption during active operation is rated at 7.6W for the 1TB model, 8.1W for the 2TB, and 9.0W for the 4TB version, ensuring lower power draw compared to other PCIe 5.0 SSDs with similar performance ratings. This efficiency improvement helps reduce heat output and extends the lifespan of the drive, making it a more suitable option for professional and high-end workstation environments.

Samsung 9100 SSD vs the Samsung 990 EVO PLUS – Gen5 SSDs Compared

The Samsung 9100 PRO and Samsung 990 EVO Plus cater to different segments of the SSD market, with the 9100 PRO targeting high-performance workloads and the 990 EVO Plus designed for mainstream users seeking a balance between speed and efficiency. The most significant difference lies in interface and speed, as the 9100 PRO utilizes PCIe 5.0 x4, allowing for sequential read speeds up to 14,800 MB/s and write speeds up to 13,400 MB/s. In contrast, the 990 EVO Plus uses a PCIe 4.0 x4 / 5.0 x2 interface, capping its speeds at 7,250 MB/s read and 6,300 MB/s write.

While this makes the 990 EVO Plus one of the fastest PCIe 4.0 drives, it falls considerably behind the 9100 PRO, particularly in random performance, where the 9100 PRO achieves up to 2,200K IOPS read and 2,600K IOPS write, compared to the 990 EVO Plus’s 1,050K IOPS read and 1,400K IOPS write. The 9100 PRO also integrates LPDDR4X DRAM, ensuring smoother performance under heavy workloads, whereas the 990 EVO Plus relies on Host Memory Buffer (HMB) technology, which is dependent on system RAM and may lead to performance inconsistencies in extended write operations.

Beyond speed, endurance and power efficiency also differ significantly between the two drives. The 9100 PRO offers a higher TBW rating, reaching 4,800 TB on the 8TB model, compared to the 990 EVO Plus’s maximum of 2,400 TBW for its 4TB version. This makes the 9100 PRO more suitable for AI computing, professional video editing, and enterprise applications where large amounts of data are written daily. Power consumption is another key factor, with the 9100 PRO consuming between 7.6W and 9.0W under active operation, while the 990 EVO Plus operates at a lower 4.3W to 5.5W during reads and 4.2W to 4.8W during writes.

While the 990 EVO Plus is more power-efficient, the 9100 PRO compensates with significantly higher performance and an improved energy efficiency rating, reducing power consumption by 49% compared to previous Samsung PCIe 5.0 drives. Overall, while the 990 EVO Plus is a strong option for users looking for a high-speed PCIe 4.0 SSD, the 9100 PRO is a better fit for professionals requiring the fastest speeds, highest endurance, and improved thermal performance.

Samsung 9100 SSD Review – Performance Tests

Performance testing for the Samsung 9100 PRO was conducted on a Windows 10 system with a 12th-generation Intel Core i5 processor, 16GB DDR5 RAM, and a PCIe 5.0-enabled motherboard. The operating system was installed on a separate PCIe 4.0 SSD, while the 9100 PRO was tested in an available PCIe 5.0 slot.

Benchmarking tools included ATTO Disk Benchmark, CrystalDiskMark, AJA System Test, and real-world file transfer tests to assess sequential and random performance under different workloads. The drive was tested in both bare PCB configuration and with a third-party heatsink, as the proprietary Samsung heatsink version was unavailable for this review.

In ATTO Disk Benchmark, which measures transfer speeds across different file sizes, the 9100 PRO achieved sequential read speeds of between 11.3 GB/s and 11.5 GB/s, with occasional peaks reaching 12.5 GB/s under optimal conditions. These results, while slightly lower than Samsung’s claimed 14.8 GB/s read speed, remain among the highest reported for consumer PCIe 5.0 SSDs. Write speeds in ATTO remained stable at approximately 11.0 GB/s to 12.0 GB/s, showing consistent performance across multiple test runs.

Meanwhile, CrystalDiskMark testing at a 16GB file size reported read speeds of up to 11,881 MB/s and write speeds of 12,444 MB/s, with random IOPS reaching up to 1.5 million under ideal conditions. While the drive’s performance fluctuated slightly depending on workload type, overall speeds remained close to manufacturer specifications, confirming its status as one of the fastest SSDs available in 2025.

For real-world testing, a 52GB mixed dataset comprising 1,711 files across 42 folders was transferred to the 9100 PRO from another PCIe 4.0 SSD. The transfer was completed in just over 34 seconds, with speeds sustaining well above 9,000 MB/s for most of the operation. These figures align with high-end PCIe 5.0 expectations, demonstrating the drive’s ability to maintain consistent performance under heavy workloads.

Additionally, AJA System Test, which simulates video production workloads, recorded sustained read speeds of nearly 10,000 MB/s, making the 9100 PRO a strong choice for video editing professionals working with large 8K or RAW footage files. Notably, write performance remained stable even during long transfers, likely due to Samsung’s expanded Intelligent TurboWrite 2.0 cache, which allocates up to 442GB of SLC cache on the 4TB model to handle large sequential writes without immediate slowdowns.

During testing, the 9100 PRO’s temperatures fluctuated between 45°C and 55°C at idle, while sustained workloads pushed temperatures above 81°C under extended high-speed transfers. While Samsung’s new 5nm Presto controller is more power-efficient than previous PCIe 5.0 designs, high-speed Gen 5 SSDs inherently produce significant heat, requiring adequate cooling solutions to prevent throttling. In testing with a third-party heatsink, thermal recovery was fast, and the drive quickly dropped back to safe temperature ranges within seconds after peak workloads ended. However, without a heatsink, performance throttling was observed after extended write operations, reinforcing the importance of active cooling for sustained performance in PCIe 5.0 SSDs.

Overall, the Samsung 9100 PRO delivers competitive and consistent performance across synthetic benchmarks and real-world testing. It consistently reaches 11.5 GB/s to 12.5 GB/s in most workloads, proving it to be among the fastest PCIe 5.0 SSDs available. Real-world file transfers confirm the drive’s ability to sustain high write speeds, while Samsung’s Intelligent TurboWrite 2.0 technology minimizes performance drops even under heavy loads. However, thermal management remains a key consideration, as sustained high-speed operations push temperatures close to throttling limits without a heatsink. Despite this, power efficiency is improved over previous PCIe 5.0 SSDs, making it a strong option for professionals requiring high-performance storage for AI, video production, and data-heavy workloads.

Samsung 9100 SSD Review – Verdict and Conclusion

The Samsung 9100 PRO SSD delivers top-tier PCIe 5.0 performance, offering sequential read speeds up to 14,800 MB/s and write speeds reaching 13,400 MB/s, making it one of the fastest consumer SSDs currently available. Unlike many PCIe 5.0 SSDs that rely on third-party controllers from Phison or NAND from Micron, the 9100 PRO benefits from Samsung’s fully in-house design, including its Presto PCIe 5.0 controller and V-NAND TLC (V8). This ensures better integration between hardware and firmware, resulting in more stable performance, improved power efficiency, and better overall optimization for workloads like AI computing, video production, and high-speed data processing. Additionally, Samsung claims 49% improved power efficiency over previous PCIe 5.0 SSDs, helping to reduce thermal output compared to some early PCIe 5.0 models. Its high endurance rating (up to 4,800 TBW on the 8TB model) also positions it as a strong choice for users who require reliable, long-term performance.

However, there are some key drawbacks to consider. Thermal performance remains a challenge, as the 9100 PRO can reach temperatures above 81°C under extended workloads, meaning a proper cooling solution is necessary to prevent thermal throttling. While Samsung offers a heatsink version, those using the bare PCB model may need to invest in additional cooling for sustained performance. Additionally, real-world speeds, while impressive, do not always match Samsung’s maximum advertised performance, particularly once the TurboWrite cache is exhausted. Furthermore, Samsung’s reputation for SSD reliability is generally strong, but firmware issues in previous models, such as the 990 PRO and 980 PRO, led to concerns over long-term stability. While Samsung has since addressed those problems, some users may remain cautious about potential firmware-related risks. Despite these concerns, the 9100 PRO still stands out as one of the best PCIe 5.0 SSDs available, offering fully in-house hardware, high endurance, and leading-edge performance for users who need the fastest storage available today.

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