Hardware Spec Index

Caldera SN-1978 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN1978-ULTRA · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index5,847 (SSDs scale)
Category rank#33,048
Street price$79
Power8 W (active)
Performance per dollar74.01
Released2022

Specifications

BrandCaldera
ModelCaldera SN-1978 Ultra
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,700 MB/s
Sequential write3,800 MB/s
Random 4K read1,050K IOPS
NAND3D TLC, 238-layer
CacheDRAM-less (HMB)
Endurance300 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
Novexa SN-2694 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD7,051$109Compare
Caldera SN-1564 Ultra 2TB PCIe 3.0 NVMe M.2 2280 SSD12,441$439Compare
Caldera SN-4442 Max 8TB PCIe 4.0 NVMe M.2 2280 SSD13,110$479Compare
Novexa SN-4416 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD5,387$69Compare
Novexa SN-6283 SE 8TB PCIe 4.0 NVMe M.2 2280 SSD13,228$459Compare
Novexa SN-2637 SE 500GB SATA 2.5-inch SSD3,676$39Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-1978 Ultra 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/90281521 (accessed 2026-10-25).