Hardware Spec Index

Altrix SN-4257 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN4257-PRO · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index7,929 (SSDs scale)
Category rank#25,170
Street price$159
Power7 W (active)
Performance per dollar49.87
Released2024

Specifications

BrandAltrix
ModelAltrix SN-4257 Pro
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,800 MB/s
Sequential write4,200 MB/s
Random 4K read1,120K IOPS
NAND3D TLC, 238-layer
CacheDRAM-less (HMB)
Endurance1,200 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-4257 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/78281211 (accessed 2026-10-19).