Hardware Spec Index

Altrix SN-6421 SE 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN6421-SE · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index4,945 (SSDs scale)
Category rank#8,330
Street price$59
Power6 W (active)
Performance per dollar83.81
Released2025

Specifications

BrandAltrix
ModelAltrix SN-6421 SE
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,400 MB/s
Sequential write3,300 MB/s
Random 4K read710K IOPS
NAND3D QLC, 176-layer
CacheDRAM-less (HMB)
Endurance120 TBW (0.22 DWPD)
Warranty3 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-6421 SE 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7651322 (accessed 2026-10-22).