Hardware Spec Index

Altrix SN-1558 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN1558-PLUS · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index11,462 (SSDs scale)
Category rank#44,488
Street price$289
Power8 W (active)
Performance per dollar39.66
Released2022

Specifications

BrandAltrix
ModelAltrix SN-1558 Plus
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read4,800 MB/s
Sequential write4,000 MB/s
Random 4K read920K IOPS
NAND3D TLC, 232-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 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, “Altrix SN-1558 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/20021592 (accessed 2026-10-19).