Hardware Spec Index

Novexa SN-5621 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN5621-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index9,596 (SSDs scale)
Category rank#6,855
Street price$229
Power4 W (active)
Performance per dollar41.90
Released2019

Specifications

BrandNovexa
ModelNovexa SN-5621 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,500 MB/s
Sequential write1,900 MB/s
Random 4K read480K IOPS
NAND3D TLC, 218-layer
CacheDDR4 DRAM, 1 GB
Endurance600 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-5621 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7862901 (accessed 2026-10-20).