Hardware Spec Index

Altrix SN-6420 Prime 1TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN6420-PRIME · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index4,592 (SSDs scale)
Category rank#19,220
Street price$59
Power4 W (active)
Performance per dollar77.83
Released2019

Specifications

BrandAltrix
ModelAltrix SN-6420 Prime
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read3,400 MB/s
Sequential write3,100 MB/s
Random 4K read350K IOPS
NAND3D QLC, 218-layer
CacheDRAM-less (HMB)
Endurance200 TBW (0.18 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-6420 Prime 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7085705 (accessed 2026-10-20).