Hardware Spec Index

Mirenta SN-8642 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Mirenta · SKU SN8642-XT · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index13,325 (SSDs scale)
Category rank#13,900
Street price$489
Power8 W (active)
Performance per dollar27.25
Released2023

Specifications

BrandMirenta
ModelMirenta SN-8642 XT
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,700 MB/s
Sequential write4,800 MB/s
Random 4K read1,220K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 8 GB
Endurance4,800 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

Similar SSDs

ModelBenchmarkPriceCompare
Altrix SN-2757 Max 500GB PCIe 4.0 NVMe M.2 2280 SSD5,483$79Compare
Mirenta SN-9614 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD10,864$369Compare
Caldera SN-7261 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD6,015$89Compare
Strivon SN-3540 Max 4TB PCIe 5.0 NVMe M.2 2280 SSD14,748$579Compare
Caldera SN-7387 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD7,104$119Compare
Altrix SN-5278 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD5,724$79Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Mirenta SN-8642 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7734074 (accessed 2026-10-23).