Hardware Spec Index

Altrix SN-8991 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN8991-PRO · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index8,461 (SSDs scale)
Category rank#16,247
Street price$189
Power5 W (active)
Performance per dollar44.77
Released2026

Specifications

BrandAltrix
ModelAltrix SN-8991 Pro
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,700 MB/s
Sequential write4,400 MB/s
Random 4K read1,230K IOPS
NAND3D TLC, 218-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-8991 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/6328799 (accessed 2026-10-23).