Hardware Spec Index

Novexa SN-5558 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN5558-XT · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index12,325 (SSDs scale)
Category rank#45,948
Street price$399
Power6 W (active)
Performance per dollar30.89
Released2020

Specifications

BrandNovexa
ModelNovexa SN-5558 XT
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,100 MB/s
Sequential write4,000 MB/s
Random 4K read950K IOPS
NAND3D TLC, 232-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

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Cite this page: Hardware Spec Index, “Novexa SN-5558 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3400531 (accessed 2026-10-20).