Hardware Spec Index

Altrix SN-1891 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN1891-PLUS · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index7,876 (SSDs scale)
Category rank#27,138
Street price$189
Power5 W (active)
Performance per dollar41.67
Released2024

Specifications

BrandAltrix
ModelAltrix SN-1891 Plus
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,600 MB/s
Sequential write4,700 MB/s
Random 4K read840K 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-1891 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4283580 (accessed 2026-10-21).