Hardware Spec Index

Caldera SN-3443 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN3443-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index6,928 (SSDs scale)
Category rank#6,787
Street price$109
Power8 W (active)
Performance per dollar63.56
Released2021

Specifications

BrandCaldera
ModelCaldera SN-3443 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,900 MB/s
Sequential write5,200 MB/s
Random 4K read1,210K IOPS
NAND3D QLC, 176-layer
CacheDRAM-less (HMB)
Endurance240 TBW (0.22 DWPD)
Warranty3 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
Novexa SN-5253 Ultra 2TB PCIe 3.0 NVMe M.2 2280 SSD11,555$379Compare
Mirenta SN-9579 Ti 8TB PCIe 5.0 NVMe M.2 2280 SSD14,411$489Compare
Novexa SN-4576 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD8,357$189Compare
Caldera SN-9811 Ultra 500GB SATA 2.5-inch SSD3,424$29Compare
Altrix SN-3314 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD10,883$289Compare
Novexa SN-5711 Prime 500GB SATA 2.5-inch SSD3,360$39Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-3443 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/73317848 (accessed 2026-10-20).