Hardware Spec Index

Caldera SN-1940 Ultra 500GB SATA 2.5-inch SSD

SSDs · Caldera · SKU SN1940-ULTRA · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index4,473 (SSDs scale)
Category rank#20,394
Street price$49
Power3 W (active)
Performance per dollar91.29
Released2020

Specifications

BrandCaldera
ModelCaldera SN-1940 Ultra
Capacity500 GB
Form factor2.5" SATA (7 mm)
InterfaceSATA 6 Gb/s (AHCI)
Sequential read550 MB/s
Sequential write520 MB/s
Random 4K read98K IOPS
NAND3D QLC, 218-layer
CacheDRAM-less (SLC cache)
Endurance120 TBW (0.22 DWPD)
Warranty3 years
HeatsinkNone

Related guides

SSD Endurance ExplainedDRAM vs DRAM-less SSDsNVMe SSDs ExplainedPCIe 4.0 vs PCIe 5.0M.2 SSD Sizes and Keys

Similar SSDs

ModelBenchmarkPriceCompare
Caldera SN-3789 Prime 4TB PCIe 4.0 NVMe M.2 2280 SSD13,939$539Compare
Novexa SN-1103 Ti 500GB SATA 2.5-inch SSD3,863$39Compare
Novexa SN-6757 Plus 8TB PCIe 4.0 NVMe M.2 2280 SSD13,174$409Compare
Novexa SN-3883 Prime 4TB PCIe 5.0 NVMe M.2 2280 SSD11,257$309Compare
Caldera SN-3978 Plus 1TB PCIe 3.0 NVMe M.2 2280 SSD6,061$99Compare
Novexa SN-5190 Plus 500GB SATA 2.5-inch SSD4,478$49Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-1940 Ultra 500GB SATA 2.5-inch SSD”, https://vextor7.com/item/27363223 (accessed 2026-10-24).