Hardware Spec Index

Altrix SN-7939 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN7939-XT · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index14,216 (SSDs scale)
Category rank#42,857
Street price$489
Power8 W (active)
Performance per dollar29.07
Released2022

Specifications

BrandAltrix
ModelAltrix SN-7939 XT
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,300 MB/s
Sequential write4,000 MB/s
Random 4K read960K IOPS
NAND3D TLC, 176-layer
CacheDDR4 DRAM, 8 GB
Endurance4,800 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-7939 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/8551555 (accessed 2026-10-20).