Hardware Spec Index

Altrix SN-4257 Plus 2TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN4257-PLUS · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index7,502 (SSDs scale)
Category rank#47,840
Street price$119
Power5 W (active)
Performance per dollar63.04
Released2019

Specifications

BrandAltrix
ModelAltrix SN-4257 Plus
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read3,200 MB/s
Sequential write2,400 MB/s
Random 4K read360K IOPS
NAND3D QLC, 176-layer
CacheDRAM-less (HMB)
Endurance720 TBW (0.33 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-4257 Plus 2TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/19979161 (accessed 2026-10-23).