Samsung's 990 PRO Gen4 SSD is getting a price drop to nearly 40% off before Amazon Prime Day, with read speeds up to 7,450 MB/s.
Samsung 990 PRO Gen4 SSD Gets One Final Price Drop to Nearly 40% Off Before Amazon Prime Day , Read Speeds Up to 7,450 MB/sSamsung’s PRO lineup of consumer SSDs is geared toward high-performance applications such as gaming, workstation use, and heavy computing.
The 990 PRO 2TB is Samsung’s flagship PCIe 4.0 SSD, hitting the upper limits of the Gen4 interface with sequential read speeds up to 7,450 MB/s and writes up to 6,900 MB/s. Random I/O performance reaches 1.4M IOPS read and 1.55M IOPS write, with a 1,200 TBW endurance rating for the 2TB capacity. The M.2 2280 size makes the SSD compatible with most current desktop motherboards, gaming laptops, and the PlayStation 5’s expansion slot.
You can get the Samsung 990 PRO 2TB on Amazon for $390, marked down $250 from $640 for a 39% discount. The 990 PRO’s PCIe 4.0 interface puts it near the top of the consumer SSD performance ladder. PCIe 4.0 supports a theoretical maximum of 8,000 MB/s, and the 990 PRO reaches 7,450 MB/s on sequential reads, using nearly all of the available bandwidth on the interface.
Sequential write speeds top out at 6,900 MB/s, with random I/O hitting 1.4M IOPS for reads and 1.55M for writes. Those figures represent a 55% improvement over Samsung’s previous-generation 980 PRO, particularly in random access performance critical for game loading and application launch times. Samsung’s in-house Pascal controller drives the SSD, paired with V-NAND TLC flash memory and a 2GB LPDDR4 DRAM cache.
The DRAM cache stores frequently accessed data and metadata, which speeds up random access operations and reduces latency during heavy multitasking. A pseudo-SLC cache mode also activates during sustained writes, allowing burst speeds up to the full 6,900 MB/s before the drive transitions to native TLC write speeds. It also has smart heat control technology that actively monitors temperature to maintain performance under load.
Slotting the 990 PRO into a system is straightforward, thanks to the standard M.2 2280 sizing used across most consumer hardware. That includes most recent desktop motherboards, gaming laptops, mini PCs, and the PlayStation 5’s storage expansion slot. Security features include AES 256-bit hardware encryption, TCG Opal 2.0, and IEEE-1667 support, matching what enterprise storage typically requires.
PCIe 4.0 is the interface here, which is still the active socket type for nearly all current consumer hardware, though Samsung has moved to PCIe 5.0 for the newer 9100 PRO. Also, this particular listing is the bare drive without a heatsink, which works fine for systems with integrated M.2 cooling but requires an aftermarket heatsink everywhere else, including the PS5’s expansion slot..
Pick one up on Amazon while the discount holds for high-end PCIe 4.0 performance at a significant savings off the list price.
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