Hardware Spec Index

Altrix SN-6640 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN6640-PLUS · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index7,021 (SSDs scale)
Category rank#21,429
Street price$109
Power7 W (active)
Performance per dollar64.41
Released2021

Specifications

BrandAltrix
ModelAltrix SN-6640 Plus
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,300 MB/s
Sequential write6,900 MB/s
Random 4K read1,250K IOPS
NAND3D TLC, 232-layer
CacheDRAM-less (HMB)
Endurance1,200 TBW (0.33 DWPD)
Warranty5 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, “Altrix SN-6640 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/56520905 (accessed 2026-10-25).