Hardware Spec Index

Altrix SN-7991 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN7991-PRO · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index6,333 (SSDs scale)
Category rank#5,468
Street price$89
Power8 W (active)
Performance per dollar71.16
Released2025

Specifications

BrandAltrix
ModelAltrix SN-7991 Pro
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,400 MB/s
Sequential write4,900 MB/s
Random 4K read740K IOPS
NAND3D TLC, 176-layer
CacheDRAM-less (HMB)
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

Similar SSDs

ModelBenchmarkPriceCompare
Mirenta SN-6898 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD10,430$279Compare
Strivon SN-2907 Pro 500GB SATA 2.5-inch SSD4,241$39Compare
Altrix SN-5656 XT 500GB SATA 2.5-inch SSD3,401$39Compare
Strivon SN-6600 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD4,864$59Compare
Altrix SN-8643 Max 500GB PCIe 4.0 NVMe M.2 2280 SSD4,807$49Compare
Novexa SN-1759 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD12,235$459Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Altrix SN-7991 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4497702 (accessed 2026-10-19).