Hardware Spec Index

Caldera SN-5943 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN5943-ULTRA · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index6,891 (SSDs scale)
Category rank#31,055
Street price$119
Power5 W (active)
Performance per dollar57.91
Released2020

Specifications

BrandCaldera
ModelCaldera SN-5943 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,200 MB/s
Sequential write3,800 MB/s
Random 4K read780K IOPS
NAND3D TLC, 176-layer
CacheDRAM-less (HMB)
Endurance600 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
Altrix SN-5126 Ti 4TB PCIe 5.0 NVMe M.2 2280 SSD11,196$329Compare
Novexa SN-1090 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD6,072$89Compare
Caldera SN-7631 Pro 500GB SATA 2.5-inch SSD3,895$39Compare
Strivon SN-3388 Ultra 2TB PCIe 5.0 NVMe M.2 2280 SSD10,717$379Compare
Altrix SN-9349 Max 500GB SATA 2.5-inch SSD4,321$49Compare
Mirenta SN-7302 Ti 2TB PCIe 4.0 NVMe M.2 2230 SSD9,009$199Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-5943 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/6507717 (accessed 2026-10-25).