Hardware Spec Index

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

SSDs · Altrix · SKU SN1781-XT · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index8,828 (SSDs scale)
Category rank#41,251
Street price$169
Power8 W (active)
Performance per dollar52.24
Released2020

Specifications

BrandAltrix
ModelAltrix SN-1781 XT
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,400 MB/s
Sequential write4,900 MB/s
Random 4K read880K IOPS
NAND3D TLC, 176-layer
CacheDDR4 DRAM, 1 GB
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 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7322659 (accessed 2026-10-25).