Hardware Spec Index

Novexa SN-6521 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN6521-ULTRA · Released 2023 · Updated 2026-10-27

Key facts

Benchmark index11,555 (SSDs scale)
Category rank#9,664
Street price$409
Power5 W (active)
Performance per dollar28.25
Released2023

Specifications

BrandNovexa
ModelNovexa SN-6521 Ultra
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,300 MB/s
Sequential write6,100 MB/s
Random 4K read830K IOPS
NAND3D TLC, 176-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, “Novexa SN-6521 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7599645 (accessed 2026-10-27).