Hardware Spec Index

Altrix SN-6638 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN6638-CORE · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index6,915 (SSDs scale)
Category rank#33,554
Street price$109
Power8 W (active)
Performance per dollar63.44
Released2020

Specifications

BrandAltrix
ModelAltrix SN-6638 Core
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,100 MB/s
Sequential write5,600 MB/s
Random 4K read1,310K IOPS
NAND3D TLC, 176-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-6638 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/897859 (accessed 2026-10-22).