Hardware Spec Index

Altrix SN-6991 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN6991-PRIME · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index5,781 (SSDs scale)
Category rank#41,508
Street price$99
Power7 W (active)
Performance per dollar58.39
Released2022

Specifications

BrandAltrix
ModelAltrix SN-6991 Prime
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,200 MB/s
Sequential write4,500 MB/s
Random 4K read970K IOPS
NAND3D QLC, 176-layer
CacheDRAM-less (HMB)
Endurance240 TBW (0.22 DWPD)
Warranty3 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-6991 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/6398453 (accessed 2026-10-19).