Hardware Spec Index

Altrix SN-1557 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN1557-ULTRA · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index8,786 (SSDs scale)
Category rank#43,621
Street price$179
Power8 W (active)
Performance per dollar49.08
Released2020

Specifications

BrandAltrix
ModelAltrix SN-1557 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read4,800 MB/s
Sequential write3,900 MB/s
Random 4K read960K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 1 GB
Endurance600 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-1557 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/513731 (accessed 2026-10-26).