Hardware Spec Index

Altrix SN-6643 Core 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN6643-CORE · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index14,070 (SSDs scale)
Category rank#30,176
Street price$449
Power5 W (active)
Performance per dollar31.34
Released2020

Specifications

BrandAltrix
ModelAltrix SN-6643 Core
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,200 MB/s
Sequential write5,600 MB/s
Random 4K read970K IOPS
NAND3D TLC, 176-layer
CacheDDR4 DRAM, 8 GB
Endurance4,800 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-6643 Core 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3288262 (accessed 2026-10-20).