Hardware Spec Index

Altrix SN-4256 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN4256-XT · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index6,410 (SSDs scale)
Category rank#16,498
Street price$109
Power5 W (active)
Performance per dollar58.81
Released2020

Specifications

BrandAltrix
ModelAltrix SN-4256 XT
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,700 MB/s
Sequential write5,600 MB/s
Random 4K read850K IOPS
NAND3D QLC, 218-layer
CacheDRAM-less (HMB)
Endurance400 TBW (0.18 DWPD)
Warranty3 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-4256 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2158574 (accessed 2026-10-20).