Hardware Spec Index

Altrix SN-1991 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN1991-PRIME · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index6,031 (SSDs scale)
Category rank#4,610
Street price$79
Power5 W (active)
Performance per dollar76.34
Released2020

Specifications

BrandAltrix
ModelAltrix SN-1991 Prime
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,800 MB/s
Sequential write4,600 MB/s
Random 4K read940K IOPS
NAND3D TLC, 218-layer
CacheDRAM-less (HMB)
Endurance600 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 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/29132858 (accessed 2026-10-24).