Hardware Spec Index

Altrix SN-3421 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN3421-TI · Released 2020 · Updated 2026-10-18

Key facts

Benchmark index7,151 (SSDs scale)
Category rank#13,579
Street price$129
Power7 W (active)
Performance per dollar55.43
Released2020

Specifications

BrandAltrix
ModelAltrix SN-3421 Ti
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,200 MB/s
Sequential write4,800 MB/s
Random 4K read1,250K IOPS
NAND3D QLC, 232-layer
CacheDRAM-less (HMB)
Endurance240 TBW (0.22 DWPD)
Warranty3 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

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Cite this page: Hardware Spec Index, “Altrix SN-3421 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/736008 (accessed 2026-10-18).