Hardware Spec Index

Altrix SN-1855 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN1855-XT · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index6,949 (SSDs scale)
Category rank#10,332
Street price$129
Power8 W (active)
Performance per dollar53.87
Released2024

Specifications

BrandAltrix
ModelAltrix SN-1855 XT
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,000 MB/s
Sequential write6,800 MB/s
Random 4K read730K IOPS
NAND3D QLC, 176-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-1855 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7878296 (accessed 2026-10-24).