Hardware Spec Index

Altrix SN-4668 Ultra 2TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN4668-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index12,157 (SSDs scale)
Category rank#26,248
Street price$389
Power10 W (active)
Performance per dollar31.25
Released2026

Specifications

BrandAltrix
ModelAltrix SN-4668 Ultra
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read12,000 MB/s
Sequential write10,300 MB/s
Random 4K read2,430K IOPS
NAND3D TLC, 238-layer
CacheLPDDR4 DRAM, 2 GB
Endurance1,200 TBW (0.33 DWPD)
Warranty5 years
HeatsinkIncluded (recommended for sustained loads)

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 5.0 ExplainedPCIe 4.0 vs PCIe 5.0

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Cite this page: Hardware Spec Index, “Altrix SN-4668 Ultra 2TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/53315184 (accessed 2026-10-20).