Samsung has introduced a 4TB variant of its 990 Pro NVMe PCIe 4.0 SSDs, offering an optional heatsink designed for gamers and content creators. This latest model boasts what Samsung claims to be the “fastest random read performance among PCIe 4.0 interface consumer SSDs on the market,” along with enhanced read/write speeds, improved power efficiency, and extended lifespan.
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The 4TB SSD 990 Pro comes in two configurations, with or without a heatsink, featuring a sleek design suitable for ultra-thin laptops or gaming consoles. It leverages Samsung’s V-NAND chips, a PCIe 4.0 interface, and an enhanced controller to deliver impressive read speeds of up to 7,450 MB/s and write speeds of 6,900 MB/s—matching the performance of its 1TB and 2TB counterparts, positioning it as a top-tier option in its class.
The random speeds remain consistent with the smaller versions, offering 1,600K and 1,550K IOPS for read and write operations, respectively. However, the increased capacity of the 4TB version results in a doubled endurance rating, from 1,200 TBW (terabytes written) in the 2TB model to 2,400 TBW, complemented by a larger cache size of 4GB.
While the 990 Pro may not match the speed of the latest PCIe 5.0 NVMe SSDs, which can achieve read speeds of 11,700 MB/s and write speeds of 9,500 MB/s, it stands out as one of the highest-speed PCIe 4.0 models available. Samsung also touts a 50 percent improvement in power efficiency compared to the previous 980 Pro, making it an excellent choice for PC expansions and compatible with consoles such as Sony’s PlayStation 5. The 4TB capacity would be particularly appealing for PS5 users, given the ever-expanding size of AAA games.
Starting in October, the 990 Pro 4TB will be available for purchase at $345 for the regular version and $355 for the heatsink-equipped model. These products will be accessible through Samsung.com and select retailers. While the 4TB version carries a higher price tag than its 2TB counterpart, typically priced at $190, it’s likely that the 4TB model will also see discounts as it becomes more widely available.
