First Impressions: Samsung’s New Entry-Level SSD, the 990
Samsung has once again made waves in the storage industry with the introduction of the 990 SSD. Unlike its predecessor, the 980 series, this new model does not carry the “Pro” or “Evo” moniker, making it a straightforward entry-level option for users. This article will delve into its key features and performance, as well as the implications of its design choices.
High Speed with Limitations
One of the notable upgrades in the Samsung 990 is the transition from PCI Express (PCIe) 3.0 to PCIe 4.0. This change is significant, as it theoretically doubles the potential speed of data transfer. Users can expect improved performance in tasks that demand fast storage such as gaming, content creation, and extensive data transfers. The capabilities of the PCIe 4.0 interface also hint at future-proofing this entry-level SSD for upcoming applications and technology trends.
However, potential buyers should consider that while the speed specifications are impressive, they might not entirely translate into real-world performance gains. Usage patterns, such as file size and nature of operations, play crucial roles. For everyday tasks and moderate workloads, this speed increase might be less noticeable.
NVMe Protocol Masks Missing DRAM
Interestingly, the 990 model utilizes the NVMe protocol, a method designed to optimize SSD performance by allowing for lower latency and faster data transfers. Yet, it is noteworthy that this model lacks a dedicated DRAM cache. Instead, it employs Host Memory Buffer (HMB) technology, which utilizes system RAM to act as a cache.
While this approach can reduce manufacturing costs, it may lead to performance bottlenecks during intense write operations. Users engaging in extensive file transfers or heavy application use may notice slower speeds compared to SSDs equipped with dedicated DRAM.
NAND Flash Technology: A Trade-off
The 990 also features a pivot in NAND flash technology, moving from Triple Level Cells (TLC) to Quadruple Level Cells (QLC). This transition allows for higher density storage, meaning manufacturers can fit more storage capacity into the same physical space. However, it comes at a cost: QLC tends to have lower endurance and slower write speeds, especially during large file transfers.
Yet, for typical users—those who may use their SSD for standard applications, gaming, and moderate data storage—the impact of this change may be minimal. The day-to-day experience will likely remain satisfactory, and for most, the benefits of increased capacity readily overshadow the downsides.
Capacity Choices
Samsung has streamlined the capacity offerings for the 990. Unlike previous models that included options below one terabyte, users will now find only a 1TB variant alongside a 2TB version. This shift aligns with the trend toward larger storage capacities, appealing to gamers and content creators who require vast amounts of space for their projects.
Conclusion
In conclusion, the Samsung 990 SSD marks an exciting new chapter in entry-level solid-state storage. While its strengths lie in impressive speed potential and ample storage capacity, the trade-offs in DRAM and NAND technology should be carefully considered by prospective buyers. For those who prioritize speed and capacity without needing the highest endurance or performance consistency, the 990 could be a worthy choice. Nonetheless, heavy users may still want to explore options with dedicated DRAM for peak performance. As always, understanding your own usage needs is essential when selecting the right SSD for your system.

