Samsung 990 1TB SSD Review: A Budget PCIe 4.0 Drive Without DRAM

Samsung's 990 1TB is a budget PCIe 4.0 SSD built on QLC NAND with a single-sided design, rated at 7.15GB/s sequential read and 6.45GB/s write, with 700K/1.1M IOPS random performance. It lacks a DRAM cache, and pricing starts at RM1,070 for 1TB and RM2,111 for 2TB.

• Sequential speeds: 7.15GB/s read and 6.45GB/s write
• Random performance: 700K IOPS read, 1.1M IOPS write
• Single-sided design with no DRAM cache
• Pricing: from RM1,070 for 1TB, RM2,111 for 2TB