Hardware Spec Index

Altrix SN-3946 Plus 1TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN3946-PLUS · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index6,519 (SSDs scale)
Category rank#24,998
Street price$109
Power5 W (active)
Performance per dollar59.81
Released2019

Specifications

BrandAltrix
ModelAltrix SN-3946 Plus
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read2,800 MB/s
Sequential write2,200 MB/s
Random 4K read470K IOPS
NAND3D QLC, 232-layer
CacheDRAM-less (HMB)
Endurance200 TBW (0.18 DWPD)
Warranty3 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

Similar SSDs

ModelBenchmarkPriceCompare
Altrix SN-6415 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD12,315$419Compare
Mirenta SN-4787 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD8,593$219Compare
Caldera SN-4393 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD5,914$79Compare
Caldera SN-7646 Ultra 2TB PCIe 4.0 NVMe M.2 2230 SSD10,577$329Compare
Caldera SN-3031 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD7,363$149Compare
Altrix SN-4263 Prime 8TB PCIe 4.0 NVMe M.2 2280 SSD13,349$489Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Altrix SN-3946 Plus 1TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/85535710 (accessed 2026-10-21).