Hardware Spec Index

Altrix SN-5421 Max 4TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN5421-MAX · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index10,746 (SSDs scale)
Category rank#9,294
Street price$329
Power11 W (active)
Performance per dollar32.66
Released2025

Specifications

BrandAltrix
ModelAltrix SN-5421 Max
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read12,300 MB/s
Sequential write10,500 MB/s
Random 4K read2,210K IOPS
NAND3D TLC, 176-layer
CacheLPDDR4 DRAM, 4 GB
Endurance2,400 TBW (0.33 DWPD)
Warranty5 years
HeatsinkIncluded (recommended for sustained loads)

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0

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Cite this page: Hardware Spec Index, “Altrix SN-5421 Max 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4554437 (accessed 2026-10-24).