Hardware Spec Index

Novexa SN-6688 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN6688-XT · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index5,913 (SSDs scale)
Category rank#17,846
Street price$89
Power7 W (active)
Performance per dollar66.44
Released2020

Specifications

BrandNovexa
ModelNovexa SN-6688 XT
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,100 MB/s
Sequential write3,500 MB/s
Random 4K read1,240K IOPS
NAND3D QLC, 176-layer
CacheDRAM-less (HMB)
Endurance180 TBW (0.33 DWPD)
Warranty3 years
HeatsinkHeatsink edition available

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-6688 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/79063093 (accessed 2026-10-26).