Hardware Spec Index

Novexa SN-6551 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN6551-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index8,166 (SSDs scale)
Category rank#44,775
Street price$169
Power8 W (active)
Performance per dollar48.32
Released2021

Specifications

BrandNovexa
ModelNovexa SN-6551 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,900 MB/s
Sequential write5,700 MB/s
Random 4K read720K IOPS
NAND3D TLC, 238-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-6551 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/634562 (accessed 2026-10-21).