Hardware Spec Index

Mirenta SN-8638 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Mirenta · SKU SN8638-XT · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index5,625 (SSDs scale)
Category rank#9,726
Street price$69
Power7 W (active)
Performance per dollar81.52
Released2026

Specifications

BrandMirenta
ModelMirenta SN-8638 XT
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,200 MB/s
Sequential write3,000 MB/s
Random 4K read1,320K IOPS
NAND3D QLC, 218-layer
CacheDRAM-less (HMB)
Endurance120 TBW (0.22 DWPD)
Warranty3 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-8638 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/284073 (accessed 2026-10-20).