Hardware Spec Index

Altrix SN-3949 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN3949-ULTRA · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index9,040 (SSDs scale)
Category rank#30,602
Street price$189
Power5 W (active)
Performance per dollar47.83
Released2021

Specifications

BrandAltrix
ModelAltrix SN-3949 Ultra
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,300 MB/s
Sequential write4,300 MB/s
Random 4K read800K IOPS
NAND3D TLC, 232-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 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

Similar SSDs

ModelBenchmarkPriceCompare
Caldera SN-9550 Edge 2TB PCIe 5.0 NVMe M.2 2280 SSD11,319$339Compare
Altrix SN-8155 Core 4TB PCIe 4.0 NVMe M.2 2280 SSD10,400$299Compare
Mirenta SN-4762 Prime 500GB PCIe 4.0 NVMe M.2 2280 SSD5,049$69Compare
Caldera SN-9666 Prime 1TB SATA 2.5-inch SSD3,755$29Compare
Mirenta SN-4058 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD4,495$49Compare
Strivon SN-9041 SE 4TB PCIe 5.0 NVMe M.2 2280 SSD13,460$529Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Altrix SN-3949 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/17364151 (accessed 2026-10-19).