Hardware Spec Index

Altrix SN-7991 SE 1TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN7991-SE · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index8,339 (SSDs scale)
Category rank#31,959
Street price$189
Power4 W (active)
Performance per dollar44.12
Released2019

Specifications

BrandAltrix
ModelAltrix SN-7991 SE
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,300 MB/s
Sequential write1,900 MB/s
Random 4K read380K IOPS
NAND3D TLC, 238-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-7991 SE 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4496684 (accessed 2026-10-20).