Hardware Spec Index

Mirenta SN-8642 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Mirenta · SKU SN8642-XT · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index13,019 (SSDs scale)
Category rank#40,485
Street price$479
Power6 W (active)
Performance per dollar27.18
Released2021

Specifications

BrandMirenta
ModelMirenta SN-8642 XT
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,000 MB/s
Sequential write5,200 MB/s
Random 4K read1,240K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 TBW (0.33 DWPD)
Warranty5 years
HeatsinkNone

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 4.0 vs PCIe 5.0

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Cite this page: Hardware Spec Index, “Mirenta SN-8642 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2395860 (accessed 2026-10-21).