Hardware Spec Index

Altrix SN-3685 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Altrix · SKU SN3685-PRO · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index11,384 (SSDs scale)
Category rank#3,484
Street price$299
Power5 W (active)
Performance per dollar38.07
Released2022

Specifications

BrandAltrix
ModelAltrix SN-3685 Pro
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,400 MB/s
Sequential write7,200 MB/s
Random 4K read1,210K IOPS
NAND3D TLC, 176-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 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

Similar SSDs

ModelBenchmarkPriceCompare
Caldera SN-3024 Edge 8TB PCIe 5.0 NVMe M.2 2280 SSD12,283$419Compare
Altrix SN-5186 Prime 500GB PCIe 4.0 NVMe M.2 2280 SSD4,827$59Compare
Altrix SN-7146 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD11,798$419Compare
Altrix SN-9373 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD8,077$149Compare
Caldera SN-4991 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD10,390$319Compare
Strivon SN-6629 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD11,492$309Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Altrix SN-3685 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/30002156 (accessed 2026-10-20).