Hardware Spec Index

Altrix SN-1991 Ultra 2TB PCIe 4.0 NVMe M.2 2230 SSD

SSDs · Altrix · SKU SN1991-ULTRA · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index11,158 (SSDs scale)
Category rank#49,965
Street price$339
Power5 W (active)
Performance per dollar32.91
Released2023

Specifications

BrandAltrix
ModelAltrix SN-1991 Ultra
Capacity2 TB
Form factorM.2 2230
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,500 MB/s
Sequential write5,500 MB/s
Random 4K read760K IOPS
NAND3D TLC, 232-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 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-1991 Ultra 2TB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/3957248 (accessed 2026-10-21).