Hardware Spec Index

Novexa SN-6643 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN6643-XT · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index6,856 (SSDs scale)
Category rank#22,810
Street price$129
Power6 W (active)
Performance per dollar53.15
Released2021

Specifications

BrandNovexa
ModelNovexa SN-6643 XT
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,000 MB/s
Sequential write4,600 MB/s
Random 4K read1,220K IOPS
NAND3D QLC, 238-layer
CacheDRAM-less (HMB)
Endurance480 TBW (0.22 DWPD)
Warranty3 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-6643 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3565956 (accessed 2026-10-26).