Hardware Spec Index

Altrix SN-1221 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN1221-SE · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index7,822 (SSDs scale)
Category rank#34,738
Street price$159
Power8 W (active)
Performance per dollar49.19
Released2021

Specifications

BrandAltrix
ModelAltrix SN-1221 SE
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,500 MB/s
Sequential write4,300 MB/s
Random 4K read1,380K 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-1221 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3935946 (accessed 2026-10-20).