Hardware Spec Index

Altrix SN-6645 Plus 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN6645-PLUS · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index13,037 (SSDs scale)
Category rank#22,686
Street price$569
Power5 W (active)
Performance per dollar22.91
Released2021

Specifications

BrandAltrix
ModelAltrix SN-6645 Plus
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,100 MB/s
Sequential write5,900 MB/s
Random 4K read730K IOPS
NAND3D TLC, 218-layer
CacheDDR4 DRAM, 8 GB
Endurance4,800 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, “Altrix SN-6645 Plus 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/85969287 (accessed 2026-10-23).