Hardware Spec Index

Altrix SN-4521 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN4521-PRO · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index11,390 (SSDs scale)
Category rank#48,918
Street price$299
Power7 W (active)
Performance per dollar38.09
Released2021

Specifications

BrandAltrix
ModelAltrix SN-4521 Pro
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,900 MB/s
Sequential write6,500 MB/s
Random 4K read1,330K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 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-4521 Pro 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4366497 (accessed 2026-10-22).