Hardware Spec Index

Altrix SN-3855 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN3855-PRO · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index12,716 (SSDs scale)
Category rank#18,306
Street price$419
Power6 W (active)
Performance per dollar30.35
Released2023

Specifications

BrandAltrix
ModelAltrix SN-3855 Pro
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,900 MB/s
Sequential write5,200 MB/s
Random 4K read990K IOPS
NAND3D TLC, 176-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 TBW (0.33 DWPD)
Warranty5 years
HeatsinkNone

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-3855 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3076020 (accessed 2026-10-26).