Hardware Spec Index

Novexa SN-5666 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN5666-XT · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index10,540 (SSDs scale)
Category rank#2,579
Street price$239
Power8 W (active)
Performance per dollar44.10
Released2021

Specifications

BrandNovexa
ModelNovexa SN-5666 XT
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,000 MB/s
Sequential write3,700 MB/s
Random 4K read730K IOPS
NAND3D TLC, 218-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 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

Similar SSDs

ModelBenchmarkPriceCompare
Strivon SN-7168 Pro 2TB PCIe 5.0 NVMe M.2 2280 SSD12,138$369Compare
Strivon SN-1089 Pro 500GB PCIe 4.0 NVMe M.2 2280 SSD5,867$79Compare
Mirenta SN-5661 Plus 500GB PCIe 4.0 NVMe M.2 2280 SSD6,480$99Compare
Altrix SN-8334 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD7,415$129Compare
Mirenta SN-9600 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD11,095$339Compare
Strivon SN-5809 Core 4TB PCIe 4.0 NVMe M.2 2280 SSD12,252$469Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Novexa SN-5666 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2138657 (accessed 2026-10-19).