Hardware Spec Index

Altrix SN-1781 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN1781-PLUS · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index8,300 (SSDs scale)
Category rank#5,165
Street price$159
Power5 W (active)
Performance per dollar52.20
Released2021

Specifications

BrandAltrix
ModelAltrix SN-1781 Plus
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,600 MB/s
Sequential write4,100 MB/s
Random 4K read800K IOPS
NAND3D TLC, 176-layer
CacheDRAM-less (HMB)
Endurance600 TBW (0.33 DWPD)
Warranty5 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-1781 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3147443 (accessed 2026-10-20).