Hardware Spec Index

Novexa SN-8558 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN8558-XT · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index12,871 (SSDs scale)
Category rank#38,906
Street price$449
Power7 W (active)
Performance per dollar28.67
Released2020

Specifications

BrandNovexa
ModelNovexa SN-8558 XT
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,200 MB/s
Sequential write6,300 MB/s
Random 4K read1,180K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 TBW (0.33 DWPD)
Warranty5 years
HeatsinkHeatsink edition available

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
Novexa SN-6645 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD11,731$429Compare
Strivon SN-3702 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD6,400$99Compare
Mirenta SN-7414 SE 4TB PCIe 4.0 NVMe M.2 2280 SSD13,073$479Compare
Caldera SN-8173 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD6,381$99Compare
Strivon SN-8451 SE 500GB PCIe 4.0 NVMe M.2 2280 SSD6,476$109Compare
Strivon SN-1439 Edge 4TB PCIe 5.0 NVMe M.2 2280 SSD10,124$319Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Novexa SN-8558 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/5958071 (accessed 2026-10-24).