Hardware Spec Index

Mirenta SN-8639 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Mirenta · SKU SN8639-XT · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index7,572 (SSDs scale)
Category rank#32,253
Street price$119
Power7 W (active)
Performance per dollar63.63
Released2024

Specifications

BrandMirenta
ModelMirenta SN-8639 XT
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,300 MB/s
Sequential write4,400 MB/s
Random 4K read1,390K IOPS
NAND3D TLC, 218-layer
CacheDRAM-less (HMB)
Endurance600 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-8639 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2108141 (accessed 2026-10-22).