Hardware Spec Index

Novexa SN-3821 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Novexa · SKU SN3821-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index13,687 (SSDs scale)
Category rank#6,686
Street price$539
Power5 W (active)
Performance per dollar25.39
Released2020

Specifications

BrandNovexa
ModelNovexa SN-3821 Ultra
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,900 MB/s
Sequential write5,500 MB/s
Random 4K read1,190K IOPS
NAND3D TLC, 176-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 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
Strivon SN-3688 Pro 500GB SATA 2.5-inch SSD3,210$39Compare
Mirenta SN-6549 Max 8TB PCIe 4.0 NVMe M.2 2280 SSD12,288$369Compare
Caldera SN-3726 Ti 500GB PCIe 4.0 NVMe M.2 2280 SSD6,324$79Compare
Novexa SN-1394 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD8,145$149Compare
Novexa SN-8612 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD10,318$279Compare
Altrix SN-1586 Prime 2TB PCIe 3.0 NVMe M.2 2280 SSD12,001$329Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Novexa SN-3821 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/61671591 (accessed 2026-10-20).