Hardware Spec Index

Altrix SN-1821 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN1821-SE · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index6,302 (SSDs scale)
Category rank#25,875
Street price$109
Power5 W (active)
Performance per dollar57.82
Released2020

Specifications

BrandAltrix
ModelAltrix SN-1821 SE
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,400 MB/s
Sequential write7,000 MB/s
Random 4K read1,000K IOPS
NAND3D QLC, 238-layer
CacheDRAM-less (HMB)
Endurance240 TBW (0.22 DWPD)
Warranty3 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-1821 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/50351380 (accessed 2026-10-26).