Hardware Spec Index

Novexa SN-6638 Pro 2TB PCIe 4.0 NVMe M.2 2230 SSD

SSDs · Novexa · SKU SN6638-PRO · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index11,521 (SSDs scale)
Category rank#39,646
Street price$369
Power7 W (active)
Performance per dollar31.22
Released2023

Specifications

BrandNovexa
ModelNovexa SN-6638 Pro
Capacity2 TB
Form factorM.2 2230
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read4,800 MB/s
Sequential write4,300 MB/s
Random 4K read1,030K IOPS
NAND3D TLC, 238-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-6638 Pro 2TB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/444301 (accessed 2026-10-21).