Hardware Spec Index

Altrix SN-7121 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN7121-XT · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index12,706 (SSDs scale)
Category rank#36,326
Street price$449
Power7 W (active)
Performance per dollar28.30
Released2023

Specifications

BrandAltrix
ModelAltrix SN-7121 XT
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,100 MB/s
Sequential write6,500 MB/s
Random 4K read1,210K IOPS
NAND3D TLC, 232-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-7121 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2748091 (accessed 2026-10-20).